./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:56:00,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:56:00,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:56:00,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:56:00,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:56:00,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:56:00,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:56:00,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:56:00,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:56:00,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:56:00,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:56:00,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:56:00,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:56:00,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:56:00,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:56:00,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:56:00,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:56:00,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:56:00,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:56:00,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:56:00,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:56:00,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:56:00,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:56:00,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:56:00,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:56:00,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:56:00,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:56:00,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:56:00,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:56:00,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:56:00,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:56:00,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:56:00,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:56:00,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:56:00,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:56:00,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:56:00,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:56:00,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:56:00,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:56:00,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:56:00,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:56:00,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:56:00,951 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2024-11-11 20:56:01,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:56:01,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:56:01,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:56:01,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:56:01,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:56:01,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-11 20:56:02,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:56:02,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:56:02,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-11 20:56:02,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/599a7d404/1b2ba374db714bdb9cd4a06b95ce5c2e/FLAGd9b7e97eb [2024-11-11 20:56:02,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/599a7d404/1b2ba374db714bdb9cd4a06b95ce5c2e [2024-11-11 20:56:02,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:56:02,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:56:02,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:56:02,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:56:02,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:56:02,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:56:02" (1/1) ... [2024-11-11 20:56:02,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1182ddb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:02, skipping insertion in model container [2024-11-11 20:56:02,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:56:02" (1/1) ... [2024-11-11 20:56:02,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:56:02,971 WARN L250 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_spec5_product47.cil.c[1605,1618] [2024-11-11 20:56:03,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:56:03,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:56:03,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-11 20:56:03,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-11 20:56:03,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2024-11-11 20:56:03,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] [2024-11-11 20:56:03,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] [2024-11-11 20:56:03,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] [2024-11-11 20:56:03,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] [2024-11-11 20:56:03,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] [2024-11-11 20:56:03,118 WARN L250 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_spec5_product47.cil.c[1605,1618] [2024-11-11 20:56:03,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:56:03,196 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:56:03,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03 WrapperNode [2024-11-11 20:56:03,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:56:03,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:56:03,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:56:03,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:56:03,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,281 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 214 [2024-11-11 20:56:03,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:56:03,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:56:03,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:56:03,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:56:03,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,305 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-11 20:56:03,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:56:03,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:56:03,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:56:03,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:56:03,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (1/1) ... [2024-11-11 20:56:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:56:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:03,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 20:56:03,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 20:56:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:56:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-11 20:56:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-11 20:56:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:56:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-11 20:56:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:56:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:56:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:56:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:56:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:56:03,450 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:56:03,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:56:03,716 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-11 20:56:03,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:56:03,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:56:03,731 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:56:03,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:56:03 BoogieIcfgContainer [2024-11-11 20:56:03,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:56:03,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:56:03,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:56:03,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:56:03,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:56:02" (1/3) ... [2024-11-11 20:56:03,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d05b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:56:03, skipping insertion in model container [2024-11-11 20:56:03,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:56:03" (2/3) ... [2024-11-11 20:56:03,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d05b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:56:03, skipping insertion in model container [2024-11-11 20:56:03,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:56:03" (3/3) ... [2024-11-11 20:56:03,740 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2024-11-11 20:56:03,757 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:56:03,757 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:56:03,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:56:03,815 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;@7f8e5ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:56:03,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:56:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-11 20:56:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-11 20:56:03,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:03,830 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:03,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:03,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1870870440, now seen corresponding path program 1 times [2024-11-11 20:56:03,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:03,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913453445] [2024-11-11 20:56:03,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:56:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:56:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:04,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:04,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913453445] [2024-11-11 20:56:04,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913453445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:04,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:04,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:56:04,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113975853] [2024-11-11 20:56:04,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:04,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:56:04,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:04,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:56:04,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:56:04,083 INFO L87 Difference]: Start difference. First operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:56:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:04,110 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2024-11-11 20:56:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:56:04,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-11 20:56:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:04,118 INFO L225 Difference]: With dead ends: 201 [2024-11-11 20:56:04,118 INFO L226 Difference]: Without dead ends: 96 [2024-11-11 20:56:04,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:56:04,124 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:04,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:56:04,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-11 20:56:04,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-11 20:56:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 79 states have internal predecessors, (92), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-11 20:56:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2024-11-11 20:56:04,159 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 32 [2024-11-11 20:56:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:04,160 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2024-11-11 20:56:04,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:56:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-11 20:56:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-11 20:56:04,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:04,162 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:04,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:56:04,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:04,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:04,163 INFO L85 PathProgramCache]: Analyzing trace with hash 470285971, now seen corresponding path program 1 times [2024-11-11 20:56:04,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:04,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784194076] [2024-11-11 20:56:04,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:56:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:56:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:04,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:04,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784194076] [2024-11-11 20:56:04,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784194076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:04,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:04,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:56:04,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498374236] [2024-11-11 20:56:04,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:04,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:56:04,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:04,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:56:04,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:56:04,292 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:56:04,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:04,309 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2024-11-11 20:56:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:56:04,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-11 20:56:04,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:04,310 INFO L225 Difference]: With dead ends: 153 [2024-11-11 20:56:04,311 INFO L226 Difference]: Without dead ends: 87 [2024-11-11 20:56:04,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:56:04,312 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 16 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:04,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 199 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:56:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-11 20:56:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-11 20:56:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 73 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-11 20:56:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2024-11-11 20:56:04,322 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 33 [2024-11-11 20:56:04,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:04,322 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2024-11-11 20:56:04,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:56:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2024-11-11 20:56:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-11 20:56:04,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:04,328 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:04,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:56:04,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:04,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:04,328 INFO L85 PathProgramCache]: Analyzing trace with hash 746670416, now seen corresponding path program 1 times [2024-11-11 20:56:04,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:04,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503795996] [2024-11-11 20:56:04,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:04,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:56:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-11 20:56:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:04,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:04,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503795996] [2024-11-11 20:56:04,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503795996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:04,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:04,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:56:04,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37146584] [2024-11-11 20:56:04,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:04,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:56:04,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:04,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:56:04,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:56:04,463 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:56:04,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:04,688 INFO L93 Difference]: Finished difference Result 291 states and 379 transitions. [2024-11-11 20:56:04,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:56:04,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-11 20:56:04,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:04,691 INFO L225 Difference]: With dead ends: 291 [2024-11-11 20:56:04,691 INFO L226 Difference]: Without dead ends: 212 [2024-11-11 20:56:04,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-11 20:56:04,694 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 190 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:04,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 488 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 20:56:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-11 20:56:04,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2024-11-11 20:56:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 170 states have internal predecessors, (203), 32 states have call successors, (32), 21 states have call predecessors, (32), 21 states have return successors, (33), 24 states have call predecessors, (33), 32 states have call successors, (33) [2024-11-11 20:56:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 268 transitions. [2024-11-11 20:56:04,725 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 268 transitions. Word has length 37 [2024-11-11 20:56:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:04,725 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 268 transitions. [2024-11-11 20:56:04,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:56:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 268 transitions. [2024-11-11 20:56:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-11 20:56:04,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:04,727 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:04,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:56:04,728 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:04,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1079510586, now seen corresponding path program 1 times [2024-11-11 20:56:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222878685] [2024-11-11 20:56:04,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:56:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:56:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-11 20:56:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:04,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222878685] [2024-11-11 20:56:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222878685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:04,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:04,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:56:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69283798] [2024-11-11 20:56:04,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:04,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:56:04,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:04,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:56:04,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:56:04,842 INFO L87 Difference]: Start difference. First operand 206 states and 268 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:56:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:04,981 INFO L93 Difference]: Finished difference Result 497 states and 656 transitions. [2024-11-11 20:56:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 20:56:04,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-11 20:56:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:04,984 INFO L225 Difference]: With dead ends: 497 [2024-11-11 20:56:04,985 INFO L226 Difference]: Without dead ends: 299 [2024-11-11 20:56:04,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:56:04,987 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 80 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:04,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 455 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:56:04,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-11 20:56:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2024-11-11 20:56:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 221 states have (on average 1.2714932126696832) internal successors, (281), 240 states have internal predecessors, (281), 41 states have call successors, (41), 34 states have call predecessors, (41), 34 states have return successors, (51), 38 states have call predecessors, (51), 41 states have call successors, (51) [2024-11-11 20:56:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2024-11-11 20:56:05,012 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 41 [2024-11-11 20:56:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:05,012 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2024-11-11 20:56:05,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:56:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2024-11-11 20:56:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-11 20:56:05,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:05,014 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:05,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:56:05,015 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -298139813, now seen corresponding path program 1 times [2024-11-11 20:56:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977868736] [2024-11-11 20:56:05,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:05,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:56:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:56:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:05,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:05,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977868736] [2024-11-11 20:56:05,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977868736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:05,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:05,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:56:05,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716251045] [2024-11-11 20:56:05,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:05,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:56:05,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:05,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:56:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:56:05,125 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-11 20:56:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:05,289 INFO L93 Difference]: Finished difference Result 640 states and 823 transitions. [2024-11-11 20:56:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:56:05,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-11 20:56:05,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:05,292 INFO L225 Difference]: With dead ends: 640 [2024-11-11 20:56:05,292 INFO L226 Difference]: Without dead ends: 351 [2024-11-11 20:56:05,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:56:05,296 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 59 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:05,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 374 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:56:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-11 20:56:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2024-11-11 20:56:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 263 states have (on average 1.258555133079848) internal successors, (331), 282 states have internal predecessors, (331), 45 states have call successors, (45), 34 states have call predecessors, (45), 40 states have return successors, (61), 46 states have call predecessors, (61), 45 states have call successors, (61) [2024-11-11 20:56:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 437 transitions. [2024-11-11 20:56:05,340 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 437 transitions. Word has length 59 [2024-11-11 20:56:05,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:05,340 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 437 transitions. [2024-11-11 20:56:05,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-11 20:56:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 437 transitions. [2024-11-11 20:56:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-11 20:56:05,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:05,342 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:05,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 20:56:05,343 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:05,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:05,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1625088221, now seen corresponding path program 1 times [2024-11-11 20:56:05,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:05,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089672978] [2024-11-11 20:56:05,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:05,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:56:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:56:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:05,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089672978] [2024-11-11 20:56:05,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089672978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:05,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:05,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:56:05,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126822837] [2024-11-11 20:56:05,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:05,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:56:05,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:05,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:56:05,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:56:05,517 INFO L87 Difference]: Start difference. First operand 349 states and 437 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-11 20:56:05,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:05,688 INFO L93 Difference]: Finished difference Result 696 states and 891 transitions. [2024-11-11 20:56:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 20:56:05,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-11 20:56:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:05,691 INFO L225 Difference]: With dead ends: 696 [2024-11-11 20:56:05,691 INFO L226 Difference]: Without dead ends: 355 [2024-11-11 20:56:05,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:56:05,696 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 58 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:05,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 449 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:56:05,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-11 20:56:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-11-11 20:56:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 267 states have (on average 1.2546816479400749) internal successors, (335), 286 states have internal predecessors, (335), 45 states have call successors, (45), 34 states have call predecessors, (45), 40 states have return successors, (61), 46 states have call predecessors, (61), 45 states have call successors, (61) [2024-11-11 20:56:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 441 transitions. [2024-11-11 20:56:05,730 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 441 transitions. Word has length 59 [2024-11-11 20:56:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:05,730 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 441 transitions. [2024-11-11 20:56:05,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-11 20:56:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 441 transitions. [2024-11-11 20:56:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-11 20:56:05,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:05,734 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:56:05,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:56:05,734 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:05,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:05,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1283675681, now seen corresponding path program 1 times [2024-11-11 20:56:05,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:05,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712006479] [2024-11-11 20:56:05,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:56:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-11 20:56:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:05,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:05,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712006479] [2024-11-11 20:56:05,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712006479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:05,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:05,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:56:05,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676687483] [2024-11-11 20:56:05,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:05,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:56:05,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:05,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:56:05,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:56:05,858 INFO L87 Difference]: Start difference. First operand 353 states and 441 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-11 20:56:06,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:06,095 INFO L93 Difference]: Finished difference Result 1040 states and 1352 transitions. [2024-11-11 20:56:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 20:56:06,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2024-11-11 20:56:06,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:06,101 INFO L225 Difference]: With dead ends: 1040 [2024-11-11 20:56:06,101 INFO L226 Difference]: Without dead ends: 695 [2024-11-11 20:56:06,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:56:06,106 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 237 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:06,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 311 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 20:56:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-11 20:56:06,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 688. [2024-11-11 20:56:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 519 states have (on average 1.229287090558767) internal successors, (638), 550 states have internal predecessors, (638), 92 states have call successors, (92), 75 states have call predecessors, (92), 76 states have return successors, (137), 90 states have call predecessors, (137), 92 states have call successors, (137) [2024-11-11 20:56:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 867 transitions. [2024-11-11 20:56:06,169 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 867 transitions. Word has length 59 [2024-11-11 20:56:06,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:06,169 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 867 transitions. [2024-11-11 20:56:06,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-11 20:56:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 867 transitions. [2024-11-11 20:56:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-11 20:56:06,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:06,172 INFO L218 NwaCegarLoop]: trace histogram [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, 1] [2024-11-11 20:56:06,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:56:06,175 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:06,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:06,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1565994427, now seen corresponding path program 1 times [2024-11-11 20:56:06,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:06,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785809373] [2024-11-11 20:56:06,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:56:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:56:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-11 20:56:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:56:06,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:06,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785809373] [2024-11-11 20:56:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785809373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:56:06,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:56:06,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611552071] [2024-11-11 20:56:06,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:56:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:06,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:56:06,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:56:06,361 INFO L87 Difference]: Start difference. First operand 688 states and 867 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-11 20:56:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:06,912 INFO L93 Difference]: Finished difference Result 2043 states and 2674 transitions. [2024-11-11 20:56:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 20:56:06,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 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 63 [2024-11-11 20:56:06,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:06,927 INFO L225 Difference]: With dead ends: 2043 [2024-11-11 20:56:06,928 INFO L226 Difference]: Without dead ends: 1500 [2024-11-11 20:56:06,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-11-11 20:56:06,936 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 504 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:06,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 551 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-11 20:56:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2024-11-11 20:56:06,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1308. [2024-11-11 20:56:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 985 states have (on average 1.2243654822335026) internal successors, (1206), 1051 states have internal predecessors, (1206), 175 states have call successors, (175), 131 states have call predecessors, (175), 147 states have return successors, (263), 172 states have call predecessors, (263), 175 states have call successors, (263) [2024-11-11 20:56:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1644 transitions. [2024-11-11 20:56:07,006 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1644 transitions. Word has length 63 [2024-11-11 20:56:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:07,007 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1644 transitions. [2024-11-11 20:56:07,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-11 20:56:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1644 transitions. [2024-11-11 20:56:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-11 20:56:07,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:07,009 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 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] [2024-11-11 20:56:07,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:56:07,010 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:07,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:07,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1917161194, now seen corresponding path program 1 times [2024-11-11 20:56:07,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:07,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319442429] [2024-11-11 20:56:07,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:56:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:56:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:56:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:56:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-11 20:56:07,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:07,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319442429] [2024-11-11 20:56:07,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319442429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:07,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218194188] [2024-11-11 20:56:07,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:07,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:07,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 20:56:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:07,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-11 20:56:07,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:07,500 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:56:07,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:56:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-11 20:56:07,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218194188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:56:07,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:56:07,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2024-11-11 20:56:07,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279045098] [2024-11-11 20:56:07,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:56:07,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-11 20:56:07,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:07,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-11 20:56:07,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-11 20:56:07,717 INFO L87 Difference]: Start difference. First operand 1308 states and 1644 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-11 20:56:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:08,785 INFO L93 Difference]: Finished difference Result 2910 states and 3793 transitions. [2024-11-11 20:56:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-11 20:56:08,786 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) Word has length 106 [2024-11-11 20:56:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:08,795 INFO L225 Difference]: With dead ends: 2910 [2024-11-11 20:56:08,795 INFO L226 Difference]: Without dead ends: 1741 [2024-11-11 20:56:08,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 234 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=400, Invalid=1762, Unknown=0, NotChecked=0, Total=2162 [2024-11-11 20:56:08,800 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 338 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:08,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1493 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 20:56:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-11-11 20:56:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1462. [2024-11-11 20:56:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1086 states have (on average 1.205340699815838) internal successors, (1309), 1172 states have internal predecessors, (1309), 202 states have call successors, (202), 166 states have call predecessors, (202), 173 states have return successors, (272), 183 states have call predecessors, (272), 202 states have call successors, (272) [2024-11-11 20:56:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1783 transitions. [2024-11-11 20:56:08,900 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1783 transitions. Word has length 106 [2024-11-11 20:56:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:08,900 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 1783 transitions. [2024-11-11 20:56:08,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-11 20:56:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1783 transitions. [2024-11-11 20:56:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-11 20:56:08,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:08,905 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-11 20:56:08,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-11 20:56:09,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:09,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:09,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:09,111 INFO L85 PathProgramCache]: Analyzing trace with hash 670646930, now seen corresponding path program 1 times [2024-11-11 20:56:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:09,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755194072] [2024-11-11 20:56:09,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:09,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:56:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:56:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:56:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 20:56:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 20:56:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-11 20:56:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 102 proven. 13 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-11 20:56:09,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755194072] [2024-11-11 20:56:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755194072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376939720] [2024-11-11 20:56:09,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:09,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:09,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:09,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:09,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 20:56:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:09,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-11 20:56:09,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-11 20:56:09,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:56:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-11 20:56:10,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376939720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:56:10,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:56:10,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2024-11-11 20:56:10,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028430272] [2024-11-11 20:56:10,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:56:10,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-11 20:56:10,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:10,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-11 20:56:10,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2024-11-11 20:56:10,106 INFO L87 Difference]: Start difference. First operand 1462 states and 1783 transitions. Second operand has 28 states, 28 states have (on average 7.821428571428571) internal successors, (219), 22 states have internal predecessors, (219), 10 states have call successors, (38), 8 states have call predecessors, (38), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-11 20:56:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:11,948 INFO L93 Difference]: Finished difference Result 4358 states and 5535 transitions. [2024-11-11 20:56:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-11 20:56:11,949 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.821428571428571) internal successors, (219), 22 states have internal predecessors, (219), 10 states have call successors, (38), 8 states have call predecessors, (38), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) Word has length 195 [2024-11-11 20:56:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:11,962 INFO L225 Difference]: With dead ends: 4358 [2024-11-11 20:56:11,962 INFO L226 Difference]: Without dead ends: 2904 [2024-11-11 20:56:11,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 425 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=985, Invalid=4565, Unknown=0, NotChecked=0, Total=5550 [2024-11-11 20:56:11,968 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1464 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:11,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 1345 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-11 20:56:11,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2024-11-11 20:56:12,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2802. [2024-11-11 20:56:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2101 states have (on average 1.1561161351737268) internal successors, (2429), 2232 states have internal predecessors, (2429), 384 states have call successors, (384), 330 states have call predecessors, (384), 316 states have return successors, (474), 332 states have call predecessors, (474), 384 states have call successors, (474) [2024-11-11 20:56:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3287 transitions. [2024-11-11 20:56:12,158 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3287 transitions. Word has length 195 [2024-11-11 20:56:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:12,158 INFO L471 AbstractCegarLoop]: Abstraction has 2802 states and 3287 transitions. [2024-11-11 20:56:12,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.821428571428571) internal successors, (219), 22 states have internal predecessors, (219), 10 states have call successors, (38), 8 states have call predecessors, (38), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-11 20:56:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3287 transitions. [2024-11-11 20:56:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-11 20:56:12,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:12,168 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-11 20:56:12,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 20:56:12,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-11 20:56:12,371 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:12,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:12,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2132410704, now seen corresponding path program 1 times [2024-11-11 20:56:12,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:12,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627772011] [2024-11-11 20:56:12,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:12,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:56:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:56:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:56:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:56:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 20:56:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 20:56:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-11 20:56:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-11 20:56:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 95 proven. 44 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-11 20:56:12,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:12,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627772011] [2024-11-11 20:56:12,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627772011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:12,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848256678] [2024-11-11 20:56:12,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:12,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:12,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:12,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 20:56:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:12,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-11 20:56:12,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 195 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-11 20:56:12,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:56:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 99 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-11 20:56:13,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848256678] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:56:13,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:56:13,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2024-11-11 20:56:13,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575654715] [2024-11-11 20:56:13,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:56:13,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-11 20:56:13,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-11 20:56:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-11 20:56:13,237 INFO L87 Difference]: Start difference. First operand 2802 states and 3287 transitions. Second operand has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) [2024-11-11 20:56:14,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:14,485 INFO L93 Difference]: Finished difference Result 5472 states and 6492 transitions. [2024-11-11 20:56:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-11 20:56:14,486 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) Word has length 211 [2024-11-11 20:56:14,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:14,499 INFO L225 Difference]: With dead ends: 5472 [2024-11-11 20:56:14,499 INFO L226 Difference]: Without dead ends: 2940 [2024-11-11 20:56:14,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=399, Invalid=1857, Unknown=0, NotChecked=0, Total=2256 [2024-11-11 20:56:14,507 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 481 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:14,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 494 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 20:56:14,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2024-11-11 20:56:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2716. [2024-11-11 20:56:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2045 states have (on average 1.1466992665036675) internal successors, (2345), 2164 states have internal predecessors, (2345), 350 states have call successors, (350), 322 states have call predecessors, (350), 320 states have return successors, (422), 322 states have call predecessors, (422), 350 states have call successors, (422) [2024-11-11 20:56:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3117 transitions. [2024-11-11 20:56:14,669 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3117 transitions. Word has length 211 [2024-11-11 20:56:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:14,670 INFO L471 AbstractCegarLoop]: Abstraction has 2716 states and 3117 transitions. [2024-11-11 20:56:14,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) [2024-11-11 20:56:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3117 transitions. [2024-11-11 20:56:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-11 20:56:14,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:14,677 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-11 20:56:14,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-11 20:56:14,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:14,878 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:14,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1954980905, now seen corresponding path program 1 times [2024-11-11 20:56:14,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:14,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19982045] [2024-11-11 20:56:14,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:14,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:56:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:56:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:56:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:56:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 20:56:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-11 20:56:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-11 20:56:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-11 20:56:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-11 20:56:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19982045] [2024-11-11 20:56:15,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19982045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421510750] [2024-11-11 20:56:15,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:15,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:15,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 20:56:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:15,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-11 20:56:15,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 138 proven. 26 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-11 20:56:15,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:56:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-11 20:56:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421510750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:56:16,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:56:16,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 13] total 29 [2024-11-11 20:56:16,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170800987] [2024-11-11 20:56:16,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:56:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-11 20:56:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-11 20:56:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2024-11-11 20:56:16,059 INFO L87 Difference]: Start difference. First operand 2716 states and 3117 transitions. Second operand has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) [2024-11-11 20:56:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:18,892 INFO L93 Difference]: Finished difference Result 6047 states and 7029 transitions. [2024-11-11 20:56:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-11 20:56:18,896 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) Word has length 212 [2024-11-11 20:56:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:18,913 INFO L225 Difference]: With dead ends: 6047 [2024-11-11 20:56:18,913 INFO L226 Difference]: Without dead ends: 3619 [2024-11-11 20:56:18,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 471 SyntacticMatches, 7 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2471 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1652, Invalid=7278, Unknown=0, NotChecked=0, Total=8930 [2024-11-11 20:56:18,922 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1690 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 4791 mSolverCounterSat, 661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 5452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 4791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:18,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 1767 Invalid, 5452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 4791 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 20:56:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2024-11-11 20:56:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 3291. [2024-11-11 20:56:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 2482 states have (on average 1.145044319097502) internal successors, (2842), 2600 states have internal predecessors, (2842), 429 states have call successors, (429), 397 states have call predecessors, (429), 379 states have return successors, (488), 386 states have call predecessors, (488), 429 states have call successors, (488) [2024-11-11 20:56:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 3759 transitions. [2024-11-11 20:56:19,189 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 3759 transitions. Word has length 212 [2024-11-11 20:56:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:19,190 INFO L471 AbstractCegarLoop]: Abstraction has 3291 states and 3759 transitions. [2024-11-11 20:56:19,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) [2024-11-11 20:56:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3759 transitions. [2024-11-11 20:56:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-11 20:56:19,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:19,198 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-11 20:56:19,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-11 20:56:19,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:19,399 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:19,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1079853825, now seen corresponding path program 1 times [2024-11-11 20:56:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:19,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193253983] [2024-11-11 20:56:19,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:56:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:56:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:56:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:56:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 20:56:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-11 20:56:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-11 20:56:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-11 20:56:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-11 20:56:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-11 20:56:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-11 20:56:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 107 proven. 34 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-11 20:56:19,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:19,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193253983] [2024-11-11 20:56:19,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193253983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:19,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832269801] [2024-11-11 20:56:19,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:19,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:19,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:19,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:19,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 20:56:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:19,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:56:19,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-11 20:56:19,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:56:19,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832269801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:56:19,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:56:19,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-11 20:56:19,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329452546] [2024-11-11 20:56:19,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:56:19,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:56:19,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:19,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:56:19,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-11 20:56:19,910 INFO L87 Difference]: Start difference. First operand 3291 states and 3759 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:56:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:20,003 INFO L93 Difference]: Finished difference Result 4020 states and 4602 transitions. [2024-11-11 20:56:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:56:20,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 248 [2024-11-11 20:56:20,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:20,012 INFO L225 Difference]: With dead ends: 4020 [2024-11-11 20:56:20,012 INFO L226 Difference]: Without dead ends: 1297 [2024-11-11 20:56:20,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-11 20:56:20,019 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 17 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:20,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 248 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:56:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2024-11-11 20:56:20,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1272. [2024-11-11 20:56:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 960 states have (on average 1.1010416666666667) internal successors, (1057), 998 states have internal predecessors, (1057), 166 states have call successors, (166), 153 states have call predecessors, (166), 145 states have return successors, (183), 148 states have call predecessors, (183), 166 states have call successors, (183) [2024-11-11 20:56:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1406 transitions. [2024-11-11 20:56:20,100 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1406 transitions. Word has length 248 [2024-11-11 20:56:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:20,101 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1406 transitions. [2024-11-11 20:56:20,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:56:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1406 transitions. [2024-11-11 20:56:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-11 20:56:20,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:56:20,107 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-11-11 20:56:20,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-11 20:56:20,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-11 20:56:20,308 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:56:20,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:56:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash -457369096, now seen corresponding path program 1 times [2024-11-11 20:56:20,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:56:20,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068114496] [2024-11-11 20:56:20,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:56:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:56:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:56:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 20:56:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:56:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:56:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:56:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:56:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:56:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-11 20:56:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 20:56:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-11 20:56:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 20:56:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 20:56:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 20:56:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-11 20:56:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 20:56:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-11 20:56:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-11 20:56:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-11 20:56:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-11 20:56:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 99 proven. 131 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-11 20:56:20,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:56:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068114496] [2024-11-11 20:56:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068114496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:56:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126194268] [2024-11-11 20:56:20,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:56:20,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:20,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:56:20,954 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:56:20,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-11 20:56:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:56:21,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-11 20:56:21,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:56:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 155 proven. 89 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-11 20:56:21,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:56:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 96 proven. 136 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-11 20:56:22,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126194268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:56:22,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:56:22,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 16] total 32 [2024-11-11 20:56:22,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013042041] [2024-11-11 20:56:22,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:56:22,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-11 20:56:22,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:56:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-11 20:56:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2024-11-11 20:56:22,045 INFO L87 Difference]: Start difference. First operand 1272 states and 1406 transitions. Second operand has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) [2024-11-11 20:56:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:56:23,446 INFO L93 Difference]: Finished difference Result 2005 states and 2234 transitions. [2024-11-11 20:56:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-11 20:56:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) Word has length 266 [2024-11-11 20:56:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:56:23,449 INFO L225 Difference]: With dead ends: 2005 [2024-11-11 20:56:23,449 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 20:56:23,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 577 SyntacticMatches, 9 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=933, Invalid=3623, Unknown=0, NotChecked=0, Total=4556 [2024-11-11 20:56:23,454 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1220 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 20:56:23,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 553 Invalid, 3067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 2560 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 20:56:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 20:56:23,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 20:56:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 20:56:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 20:56:23,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2024-11-11 20:56:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:56:23,457 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 20:56:23,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) [2024-11-11 20:56:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 20:56:23,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 20:56:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:56:23,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-11 20:56:23,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:56:23,666 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:56:23,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 20:56:38,977 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:56:39,000 WARN L156 FloydHoareUtils]: Requires clause for deactivatePump contained old-variable. Original clause: (and (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) Eliminated clause: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse4))) [2024-11-11 20:56:39,053 WARN L156 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0))) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~waterLevel~0 1)) (.cse6 (= ~waterLevel~0 0)) (.cse7 (<= 1 |old(~methaneLevelCritical~0)|)) (.cse9 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse6) (and .cse1 .cse7 .cse3) (and .cse4 .cse2 .cse3 .cse8 .cse5) (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3 .cse8) (and .cse0 .cse2 .cse9) (and .cse7 .cse3 .cse6) (and .cse7 .cse9) (and .cse4 .cse2 (<= 2 ~waterLevel~0) .cse3))) (or .cse0 (< |old(~methaneLevelCritical~0)| 1)) (or .cse1 (< ~waterLevel~0 2)))) Eliminated clause: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0))) (and (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 0)) (.cse7 (= ~waterLevel~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse6) (and .cse5 .cse1 .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse5 .cse8 .cse1 .cse2) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse9 .cse2 .cse4) (and .cse9 .cse2 .cse7) (and .cse9 .cse6) (and .cse9 .cse8 .cse2))) (or .cse5 (< ~methaneLevelCritical~0 1)) (or .cse8 (< ~waterLevel~0 2)))) [2024-11-11 20:56:39,088 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse0 (= 0 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~waterLevel~0)| 2)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (and .cse1 .cse2)) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 |old(~switchedOnBeforeTS~0)|)) (.cse10 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse0 (<= |old(~waterLevel~0)| 2)) (and .cse7 .cse6 .cse4 .cse2) (and .cse6 .cse4 .cse8 .cse9 .cse10) (and .cse6 .cse4 .cse10 .cse5) (and .cse3 .cse4 .cse10 .cse5) (and .cse6 .cse4 .cse2 .cse5) (and .cse3 .cse7 .cse4 .cse2) (and .cse3 .cse0 .cse5) (and .cse3 .cse7 .cse10) (and .cse7 .cse6 .cse10) (and .cse3 .cse0 (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse2 .cse9) (and .cse3 .cse4 .cse8 .cse9 .cse10))) (or (not .cse7) (and .cse11 .cse12 .cse4 (= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (< |old(~pumpRunning~0)| 1)) (or (and .cse11 (= 2 ~waterLevel~0) .cse12) (not .cse5)) (or (not .cse9) (and .cse11 .cse12 (= ~waterLevel~0 0))) (or (not .cse2) (and .cse1 .cse12 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0))))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int) (|old(~switchedOnBeforeTS~0)| Int) (|old(~waterLevel~0)| Int)) (let ((.cse0 (= 0 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~waterLevel~0)| 2)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (and .cse1 .cse2)) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 |old(~switchedOnBeforeTS~0)|)) (.cse10 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse0 (<= |old(~waterLevel~0)| 2)) (and .cse7 .cse6 .cse4 .cse2) (and .cse6 .cse4 .cse8 .cse9 .cse10) (and .cse6 .cse4 .cse10 .cse5) (and .cse3 .cse4 .cse10 .cse5) (and .cse6 .cse4 .cse2 .cse5) (and .cse3 .cse7 .cse4 .cse2) (and .cse3 .cse0 .cse5) (and .cse3 .cse7 .cse10) (and .cse7 .cse6 .cse10) (and .cse3 .cse0 (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse2 .cse9) (and .cse3 .cse4 .cse8 .cse9 .cse10))) (or (not .cse7) (and .cse11 .cse12 .cse4 (= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (< |old(~pumpRunning~0)| 1)) (or (and .cse11 (= 2 ~waterLevel~0) .cse12) (not .cse5)) (or (not .cse9) (and .cse11 .cse12 (= ~waterLevel~0 0))) (or (and .cse1 .cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (not .cse2))))) [2024-11-11 20:56:39,111 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-11 20:56:39,120 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (<= |old(~waterLevel~0)| 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= |old(~waterLevel~0)| 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= |old(~waterLevel~0)| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse5 .cse2 .cse9 .cse8) (and .cse0 .cse10 .cse5 .cse2) (and .cse0 .cse1 .cse10 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse4 .cse10 .cse5 .cse2 .cse9) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse8))) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (let ((.cse9 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse10 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse8 (= ~waterLevel~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse5 .cse6 .cse8) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse10 .cse6) (and .cse4 .cse5 .cse6 .cse9 .cse7) (and .cse0 .cse10 .cse5 .cse6) (and .cse4 .cse10 .cse5 .cse6) (and .cse0 .cse1 .cse6 .cse8) (and .cse0 .cse5 .cse2 .cse3))) [2024-11-11 20:56:39,141 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse3 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 0)) (.cse5 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse7 .cse1 .cse2 .cse3) (and .cse7 .cse1 .cse2 .cse6) (and .cse7 (= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse4 .cse6 .cse5)))) Eliminated clause: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 1)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse2 .cse7) (and .cse5 .cse1 .cse2 .cse7) (and .cse5 .cse6 .cse8 .cse2) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse5 .cse8 .cse1 .cse2) (and .cse5 .cse6 .cse2 .cse4))) [2024-11-11 20:56:39,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:56:39 BoogieIcfgContainer [2024-11-11 20:56:39,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:56:39,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:56:39,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:56:39,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:56:39,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:56:03" (3/4) ... [2024-11-11 20:56:39,196 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 20:56:39,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-11 20:56:39,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-11 20:56:39,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-11 20:56:39,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-11 20:56:39,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-11 20:56:39,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-11 20:56:39,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:56:39,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-11 20:56:39,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-11 20:56:39,208 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-11 20:56:39,209 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-11 20:56:39,209 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 20:56:39,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:56:39,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:56:39,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:56:39,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 20:56:39,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:56:39,324 INFO L158 Benchmark]: Toolchain (without parser) took 36568.28ms. Allocated memory was 157.3MB in the beginning and 627.0MB in the end (delta: 469.8MB). Free memory was 86.6MB in the beginning and 391.2MB in the end (delta: -304.6MB). Peak memory consumption was 167.7MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,324 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:56:39,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.66ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 65.0MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,325 INFO L158 Benchmark]: Boogie Preprocessor took 33.97ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,326 INFO L158 Benchmark]: RCFGBuilder took 415.67ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 104.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,326 INFO L158 Benchmark]: TraceAbstraction took 35457.63ms. Allocated memory was 157.3MB in the beginning and 627.0MB in the end (delta: 469.8MB). Free memory was 104.0MB in the beginning and 401.7MB in the end (delta: -297.7MB). Peak memory consumption was 364.0MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,327 INFO L158 Benchmark]: Witness Printer took 130.57ms. Allocated memory is still 627.0MB. Free memory was 400.7MB in the beginning and 391.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-11 20:56:39,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.66ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 65.0MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.97ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.67ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 104.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 35457.63ms. Allocated memory was 157.3MB in the beginning and 627.0MB in the end (delta: 469.8MB). Free memory was 104.0MB in the beginning and 401.7MB in the end (delta: -297.7MB). Peak memory consumption was 364.0MB. Max. memory is 16.1GB. * Witness Printer took 130.57ms. Allocated memory is still 627.0MB. Free memory was 400.7MB in the beginning and 391.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 54]: 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 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6403 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6354 mSDsluCounter, 8859 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7283 mSDsCounter, 2301 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13750 IncrementalHoareTripleChecker+Invalid, 16051 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2301 mSolverCounterUnsat, 1576 mSDtfsCounter, 13750 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2948 GetRequests, 2537 SyntacticMatches, 24 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5893 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3291occurred in iteration=12, InterpolantAutomatonStates: 287, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 1169 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2859 NumberOfCodeBlocks, 2859 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3824 ConstructedInterpolants, 0 QuantifiedInterpolants, 8489 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3526 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 3750/4406 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: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 296]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 185]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: ((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (0 != systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (0 != systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (0 != systemActive))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (0 != systemActive))) Ensures: (((pumpRunning == 0) && ((((((((1 <= methaneLevelCritical) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (1 <= \old(pumpRunning))) && (0 != systemActive)) || ((((1 <= methaneLevelCritical) && (2 == waterLevel)) && (1 <= \old(pumpRunning))) && (0 != systemActive))) || ((((2 == waterLevel) && (methaneLevelCritical == 0)) && (1 <= \old(pumpRunning))) && (0 != systemActive))) || (((((methaneLevelCritical == 0) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (1 <= \old(pumpRunning))) && (0 != systemActive)))) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 101]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) Ensures: (((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 932]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (((((((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || (((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (2 <= waterLevel)) && (1 == systemActive))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (waterLevel == 1))) || ((1 <= methaneLevelCritical) && (0 == systemActive))) || (((1 <= methaneLevelCritical) && (2 == waterLevel)) && (1 == systemActive))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && ((2 == waterLevel) || (waterLevel < 2))) Ensures: ((((((\old(methaneLevelCritical) != 0) || (0 < methaneLevelCritical)) && ((pumpRunning == 0) || (\old(methaneLevelCritical) < 1))) && ((methaneLevelCritical == 0) || (\old(methaneLevelCritical) < 1))) && ((((((((((((((pumpRunning == 0) && (2 == waterLevel)) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) || (((((1 <= pumpRunning) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 0))) || (((2 == waterLevel) && (1 <= \old(methaneLevelCritical))) && (1 == systemActive))) || (((((1 <= pumpRunning) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((1 <= \old(methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive))) || (((1 <= \old(methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive))) || (((1 <= \old(methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (waterLevel <= 2)) && (0 == systemActive)))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 355]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 74]: Procedure Contract for timeShift Derived contract for procedure timeShift. Ensures: ((((((((((((((pumpRunning == \old(pumpRunning)) || (methaneLevelCritical != 0)) || (\old(pumpRunning) < 1)) && (((\old(pumpRunning) != 0) || (\old(waterLevel) != 1)) || ((pumpRunning == 0) && (waterLevel == 1)))) && ((((1 <= switchedOnBeforeTS) && (waterLevel == 0)) || (\old(waterLevel) != 1)) || (\old(pumpRunning) < 1))) && ((((waterLevel == 1) && (1 <= switchedOnBeforeTS)) || (\old(waterLevel) != 2)) || (\old(pumpRunning) < 1))) && (((\old(pumpRunning) != 0) || ((pumpRunning == 0) && (waterLevel == 0))) || (\old(waterLevel) != 0))) && ((((\old(pumpRunning) != 0) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || (\old(waterLevel) != 2))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) || (0 != systemActive))) && ((((((((((((((((((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 2)) || ((((\old(waterLevel) == 1) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || ((((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) == 2))) || ((((\old(waterLevel) == 1) && (methaneLevelCritical == 0)) && (1 <= \old(switchedOnBeforeTS))) && (1 <= \old(pumpRunning)))) || ((((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) <= 1))) || ((((methaneLevelCritical == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 2))) || ((((1 <= methaneLevelCritical) && (\old(waterLevel) == 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (((1 <= methaneLevelCritical) && (1 <= \old(pumpRunning))) && (\old(waterLevel) == 2))) || ((((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) <= 2))) || ((((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 0))) || (((methaneLevelCritical == 0) && (1 <= \old(pumpRunning))) && (\old(waterLevel) == 2))) || ((((1 <= methaneLevelCritical) && (\old(waterLevel) == 1)) && (1 <= \old(switchedOnBeforeTS))) && (1 <= \old(pumpRunning)))) || ((((methaneLevelCritical == 0) && (1 <= \old(switchedOnBeforeTS))) && (\old(waterLevel) == 0)) && (1 <= \old(pumpRunning)))) || ((((methaneLevelCritical == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 0))) || ((((1 <= methaneLevelCritical) && (1 <= \old(switchedOnBeforeTS))) && (\old(waterLevel) == 0)) && (1 <= \old(pumpRunning))))) && ((1 == systemActive) || (\old(pumpRunning) < 1))) && ((((1 <= switchedOnBeforeTS) && (waterLevel == 0)) || (\old(waterLevel) != 0)) || (\old(pumpRunning) < 1))) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 920]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((((((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (0 == systemActive))) Ensures: ((((((((((pumpRunning == 0) && (waterLevel <= ((long long) \old(waterLevel) + 1))) && ((((long long) \old(waterLevel) + 1) == waterLevel) || (2 == waterLevel))) || (0 != systemActive)) && ((2 == waterLevel) || (\old(waterLevel) != 2))) && ((2 == waterLevel) || (\old(waterLevel) != 1))) && (((((((((((((methaneLevelCritical == 0) && (0 == systemActive)) && (\old(waterLevel) <= 2)) || ((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(waterLevel) == 0))) || (((1 <= methaneLevelCritical) && (0 == systemActive)) && (\old(waterLevel) <= 2))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (\old(waterLevel) == 0))) || ((((pumpRunning == 0) && (\old(waterLevel) == 1)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\old(waterLevel) == 1)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (\old(waterLevel) == 1)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 0)))) && ((((pumpRunning == 0) && (waterLevel <= ((long long) \old(waterLevel) + 1))) && ((((long long) \old(waterLevel) + 1) == waterLevel) || (2 == waterLevel))) || (methaneLevelCritical < 1))) && ((\old(waterLevel) != 0) || (waterLevel == 1))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 109]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) Ensures: (((((((((((((((((methaneLevelCritical == 0) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && (1 <= \old(pumpRunning))) || (((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (2 == waterLevel)) && (\old(pumpRunning) == 0))) || (((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (waterLevel == 0))) || ((1 <= methaneLevelCritical) && (waterLevel == 1))) || (((2 == waterLevel) && (methaneLevelCritical == 0)) && (\old(pumpRunning) == 0))) || (((methaneLevelCritical == 0) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 1))) && ((pumpRunning == \old(pumpRunning)) || (\old(pumpRunning) < 1))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) || (waterLevel != 0)) || (0 < \old(pumpRunning)))) && (((1 <= pumpRunning) && (1 == systemActive)) || ((pumpRunning == 0) && (1 == systemActive)))) && (((waterLevel != 1) || (0 < \old(pumpRunning))) || ((pumpRunning == 0) && (\old(pumpRunning) == 0)))) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 204]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (((((((((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (0 == systemActive))) Ensures: ((((pumpRunning == \result) && ((\result == 0) || (0 != systemActive))) && ((((((((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || (((methaneLevelCritical == 0) && (waterLevel <= 2)) && (0 == systemActive))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (waterLevel <= 2)) && (0 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 193]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) Ensures: (((methaneLevelCritical == \result) && ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-11 20:56:39,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE