./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_productSimulator.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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:17:21,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:17:21,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:17:21,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:17:21,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:17:21,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:17:21,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:17:21,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:17:21,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:17:21,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:17:21,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:17:21,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:17:21,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:17:21,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:17:21,575 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:17:21,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:17:21,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:17:21,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:17:21,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:17:21,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:17:21,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:17:21,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:17:21,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:17:21,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:17:21,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:17:21,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:17:21,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:17:21,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:17:21,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:17:21,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:17:21,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:17:21,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:17:21,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:17:21,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:17:21,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:17:21,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:17:21,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:17:21,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:17:21,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:17:21,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:17:21,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:17:21,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:17:21,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2024-11-08 15:17:21,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:17:21,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:17:21,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:17:21,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:17:21,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:17:21,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2024-11-08 15:17:23,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:17:23,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:17:23,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2024-11-08 15:17:23,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965eabf15/a304c03c29154deba42de9d2f3e47ae7/FLAG7f58754e4 [2024-11-08 15:17:23,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965eabf15/a304c03c29154deba42de9d2f3e47ae7 [2024-11-08 15:17:23,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:17:23,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:17:23,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:17:23,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:17:23,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:17:23,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:17:23" (1/1) ... [2024-11-08 15:17:23,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556026ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:23, skipping insertion in model container [2024-11-08 15:17:23,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:17:23" (1/1) ... [2024-11-08 15:17:23,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:17:23,888 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_productSimulator.cil.c[5724,5737] [2024-11-08 15:17:24,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:17:24,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:17:24,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 15:17:24,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2024-11-08 15:17:24,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] [2024-11-08 15:17:24,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] [2024-11-08 15:17:24,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] [2024-11-08 15:17:24,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2024-11-08 15:17:24,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] [2024-11-08 15:17:24,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] [2024-11-08 15:17:24,048 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_productSimulator.cil.c[5724,5737] [2024-11-08 15:17:24,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:17:24,181 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:17:24,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24 WrapperNode [2024-11-08 15:17:24,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:17:24,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:17:24,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:17:24,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:17:24,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,258 INFO L138 Inliner]: procedures = 65, calls = 124, calls flagged for inlining = 30, calls inlined = 27, statements flattened = 303 [2024-11-08 15:17:24,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:17:24,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:17:24,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:17:24,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:17:24,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,299 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:17:24,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:17:24,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:17:24,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:17:24,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:17:24,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (1/1) ... [2024-11-08 15:17:24,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:17:24,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:24,366 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) [2024-11-08 15:17:24,374 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 [2024-11-08 15:17:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:17:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2024-11-08 15:17:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2024-11-08 15:17:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:17:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:17:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:17:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:17:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2024-11-08 15:17:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2024-11-08 15:17:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:17:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:17:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2024-11-08 15:17:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2024-11-08 15:17:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-08 15:17:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-08 15:17:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2024-11-08 15:17:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2024-11-08 15:17:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-08 15:17:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-08 15:17:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:17:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:17:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:17:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-08 15:17:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-08 15:17:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:17:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:17:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:17:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:17:24,532 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:17:24,535 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:17:24,917 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-08 15:17:24,917 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:17:24,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:17:24,943 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:17:24,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:17:24 BoogieIcfgContainer [2024-11-08 15:17:24,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:17:24,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:17:24,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:17:24,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:17:24,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:17:23" (1/3) ... [2024-11-08 15:17:24,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27c00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:17:24, skipping insertion in model container [2024-11-08 15:17:24,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:17:24" (2/3) ... [2024-11-08 15:17:24,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27c00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:17:24, skipping insertion in model container [2024-11-08 15:17:24,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:17:24" (3/3) ... [2024-11-08 15:17:24,950 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2024-11-08 15:17:24,963 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:17:24,963 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:17:25,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:17:25,022 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;@31da2ba0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:17:25,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:17:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 120 states have internal predecessors, (141), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 15:17:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 15:17:25,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:25,039 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-08 15:17:25,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:25,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1454390312, now seen corresponding path program 1 times [2024-11-08 15:17:25,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:25,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992805217] [2024-11-08 15:17:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:25,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 15:17:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 15:17:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:25,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992805217] [2024-11-08 15:17:25,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992805217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:25,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:25,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:17:25,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76937819] [2024-11-08 15:17:25,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:25,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:17:25,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:25,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:17:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:17:25,429 INFO L87 Difference]: Start difference. First operand has 148 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 120 states have internal predecessors, (141), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:25,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:25,463 INFO L93 Difference]: Finished difference Result 272 states and 376 transitions. [2024-11-08 15:17:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:17:25,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2024-11-08 15:17:25,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:25,476 INFO L225 Difference]: With dead ends: 272 [2024-11-08 15:17:25,477 INFO L226 Difference]: Without dead ends: 139 [2024-11-08 15:17:25,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:17:25,484 INFO L432 NwaCegarLoop]: 195 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, 195 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:25,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:25,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-08 15:17:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-08 15:17:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.309278350515464) internal successors, (127), 112 states have internal predecessors, (127), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 15:17:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 186 transitions. [2024-11-08 15:17:25,542 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 186 transitions. Word has length 62 [2024-11-08 15:17:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:25,545 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 186 transitions. [2024-11-08 15:17:25,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2024-11-08 15:17:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 15:17:25,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:25,552 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-08 15:17:25,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:17:25,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:25,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1003270502, now seen corresponding path program 1 times [2024-11-08 15:17:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:25,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990398198] [2024-11-08 15:17:25,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 15:17:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:17:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:25,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:25,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990398198] [2024-11-08 15:17:25,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990398198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:25,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:25,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:17:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922906376] [2024-11-08 15:17:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:25,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:25,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:25,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:17:25,797 INFO L87 Difference]: Start difference. First operand 139 states and 186 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:25,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:25,829 INFO L93 Difference]: Finished difference Result 221 states and 296 transitions. [2024-11-08 15:17:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:25,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2024-11-08 15:17:25,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:25,835 INFO L225 Difference]: With dead ends: 221 [2024-11-08 15:17:25,835 INFO L226 Difference]: Without dead ends: 130 [2024-11-08 15:17:25,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:17:25,839 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 21 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:25,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:25,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-08 15:17:25,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-08 15:17:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 106 states have internal predecessors, (120), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 15:17:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 174 transitions. [2024-11-08 15:17:25,857 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 174 transitions. Word has length 63 [2024-11-08 15:17:25,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:25,858 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 174 transitions. [2024-11-08 15:17:25,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 174 transitions. [2024-11-08 15:17:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 15:17:25,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:25,861 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-08 15:17:25,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:17:25,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:25,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:25,862 INFO L85 PathProgramCache]: Analyzing trace with hash 742899427, now seen corresponding path program 1 times [2024-11-08 15:17:25,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:25,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423800970] [2024-11-08 15:17:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:25,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 15:17:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:17:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:26,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:26,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423800970] [2024-11-08 15:17:26,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423800970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:26,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:26,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:17:26,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966622800] [2024-11-08 15:17:26,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:26,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:17:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:17:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:26,174 INFO L87 Difference]: Start difference. First operand 130 states and 174 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 15:17:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:26,729 INFO L93 Difference]: Finished difference Result 497 states and 677 transitions. [2024-11-08 15:17:26,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:17:26,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-08 15:17:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:26,737 INFO L225 Difference]: With dead ends: 497 [2024-11-08 15:17:26,739 INFO L226 Difference]: Without dead ends: 390 [2024-11-08 15:17:26,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:17:26,742 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 583 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:26,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 847 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:17:26,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-08 15:17:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 278. [2024-11-08 15:17:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 229 states have internal predecessors, (268), 54 states have call successors, (54), 26 states have call predecessors, (54), 26 states have return successors, (55), 42 states have call predecessors, (55), 54 states have call successors, (55) [2024-11-08 15:17:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 377 transitions. [2024-11-08 15:17:26,804 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 377 transitions. Word has length 68 [2024-11-08 15:17:26,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:26,806 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 377 transitions. [2024-11-08 15:17:26,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 15:17:26,806 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 377 transitions. [2024-11-08 15:17:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 15:17:26,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:26,810 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-08 15:17:26,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:17:26,810 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:26,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:26,812 INFO L85 PathProgramCache]: Analyzing trace with hash 999872991, now seen corresponding path program 1 times [2024-11-08 15:17:26,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:26,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714136208] [2024-11-08 15:17:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:26,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:17:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:17:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:17:26,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:26,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714136208] [2024-11-08 15:17:26,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714136208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:26,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:26,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:17:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782627851] [2024-11-08 15:17:26,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:26,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:17:26,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:26,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:17:26,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:17:26,994 INFO L87 Difference]: Start difference. First operand 278 states and 377 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:27,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:27,186 INFO L93 Difference]: Finished difference Result 655 states and 921 transitions. [2024-11-08 15:17:27,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:17:27,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-08 15:17:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:27,192 INFO L225 Difference]: With dead ends: 655 [2024-11-08 15:17:27,192 INFO L226 Difference]: Without dead ends: 400 [2024-11-08 15:17:27,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:27,196 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 133 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:27,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 724 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:17:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-08 15:17:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 398. [2024-11-08 15:17:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 287 states have (on average 1.3135888501742161) internal successors, (377), 322 states have internal predecessors, (377), 69 states have call successors, (69), 41 states have call predecessors, (69), 41 states have return successors, (91), 64 states have call predecessors, (91), 69 states have call successors, (91) [2024-11-08 15:17:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 537 transitions. [2024-11-08 15:17:27,251 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 537 transitions. Word has length 72 [2024-11-08 15:17:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:27,252 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 537 transitions. [2024-11-08 15:17:27,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 15:17:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 537 transitions. [2024-11-08 15:17:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 15:17:27,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:27,258 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:27,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:17:27,259 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:27,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash 997919659, now seen corresponding path program 1 times [2024-11-08 15:17:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:27,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781356028] [2024-11-08 15:17:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 15:17:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:17:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:17:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:27,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781356028] [2024-11-08 15:17:27,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781356028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:27,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:27,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:17:27,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949570388] [2024-11-08 15:17:27,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:27,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:17:27,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:27,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:17:27,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:17:27,537 INFO L87 Difference]: Start difference. First operand 398 states and 537 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 15:17:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:27,898 INFO L93 Difference]: Finished difference Result 1148 states and 1620 transitions. [2024-11-08 15:17:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:17:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2024-11-08 15:17:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:27,908 INFO L225 Difference]: With dead ends: 1148 [2024-11-08 15:17:27,909 INFO L226 Difference]: Without dead ends: 773 [2024-11-08 15:17:27,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:27,914 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 241 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:27,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 565 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:17:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-08 15:17:28,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 764. [2024-11-08 15:17:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 565 states have (on average 1.2831858407079646) internal successors, (725), 616 states have internal predecessors, (725), 117 states have call successors, (117), 72 states have call predecessors, (117), 81 states have return successors, (177), 129 states have call predecessors, (177), 117 states have call successors, (177) [2024-11-08 15:17:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1019 transitions. [2024-11-08 15:17:28,015 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1019 transitions. Word has length 92 [2024-11-08 15:17:28,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:28,016 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1019 transitions. [2024-11-08 15:17:28,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 15:17:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1019 transitions. [2024-11-08 15:17:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 15:17:28,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:28,019 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:28,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:17:28,020 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:28,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:28,020 INFO L85 PathProgramCache]: Analyzing trace with hash -388283735, now seen corresponding path program 1 times [2024-11-08 15:17:28,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:28,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875828696] [2024-11-08 15:17:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 15:17:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:17:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:17:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:28,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:28,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875828696] [2024-11-08 15:17:28,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875828696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:28,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:28,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:17:28,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730560651] [2024-11-08 15:17:28,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:28,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:17:28,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:17:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:17:28,164 INFO L87 Difference]: Start difference. First operand 764 states and 1019 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 15:17:28,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:28,424 INFO L93 Difference]: Finished difference Result 1519 states and 2099 transitions. [2024-11-08 15:17:28,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:17:28,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2024-11-08 15:17:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:28,437 INFO L225 Difference]: With dead ends: 1519 [2024-11-08 15:17:28,438 INFO L226 Difference]: Without dead ends: 778 [2024-11-08 15:17:28,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:28,444 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:28,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 594 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:17:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-08 15:17:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 776. [2024-11-08 15:17:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 577 states have (on average 1.2772963604852687) internal successors, (737), 628 states have internal predecessors, (737), 117 states have call successors, (117), 72 states have call predecessors, (117), 81 states have return successors, (177), 129 states have call predecessors, (177), 117 states have call successors, (177) [2024-11-08 15:17:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1031 transitions. [2024-11-08 15:17:28,512 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1031 transitions. Word has length 92 [2024-11-08 15:17:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1031 transitions. [2024-11-08 15:17:28,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 15:17:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1031 transitions. [2024-11-08 15:17:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 15:17:28,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:28,517 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:28,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:17:28,518 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:28,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1534944299, now seen corresponding path program 1 times [2024-11-08 15:17:28,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:28,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397456489] [2024-11-08 15:17:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:28,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 15:17:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:17:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:17:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:28,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:28,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397456489] [2024-11-08 15:17:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397456489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:28,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:28,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:17:28,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865963860] [2024-11-08 15:17:28,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:28,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:17:28,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:28,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:17:28,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:17:28,670 INFO L87 Difference]: Start difference. First operand 776 states and 1031 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 15:17:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:28,879 INFO L93 Difference]: Finished difference Result 1395 states and 1911 transitions. [2024-11-08 15:17:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:17:28,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2024-11-08 15:17:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:28,885 INFO L225 Difference]: With dead ends: 1395 [2024-11-08 15:17:28,885 INFO L226 Difference]: Without dead ends: 642 [2024-11-08 15:17:28,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:28,889 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 81 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:28,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 465 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:17:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-08 15:17:28,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 640. [2024-11-08 15:17:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 473 states have (on average 1.2684989429175475) internal successors, (600), 517 states have internal predecessors, (600), 100 states have call successors, (100), 59 states have call predecessors, (100), 66 states have return successors, (139), 106 states have call predecessors, (139), 100 states have call successors, (139) [2024-11-08 15:17:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 839 transitions. [2024-11-08 15:17:28,932 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 839 transitions. Word has length 92 [2024-11-08 15:17:28,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:28,934 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 839 transitions. [2024-11-08 15:17:28,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 15:17:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 839 transitions. [2024-11-08 15:17:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 15:17:28,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:28,936 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:28,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:17:28,937 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:28,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:28,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1664630151, now seen corresponding path program 1 times [2024-11-08 15:17:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:28,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092212907] [2024-11-08 15:17:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:28,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:17:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:17:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:17:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 15:17:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:29,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092212907] [2024-11-08 15:17:29,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092212907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:29,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:29,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:17:29,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440609672] [2024-11-08 15:17:29,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:29,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:17:29,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:17:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:29,248 INFO L87 Difference]: Start difference. First operand 640 states and 839 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:17:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:30,228 INFO L93 Difference]: Finished difference Result 1908 states and 2608 transitions. [2024-11-08 15:17:30,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 15:17:30,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 96 [2024-11-08 15:17:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:30,237 INFO L225 Difference]: With dead ends: 1908 [2024-11-08 15:17:30,238 INFO L226 Difference]: Without dead ends: 1459 [2024-11-08 15:17:30,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:17:30,242 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 633 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:30,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 751 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:17:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2024-11-08 15:17:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1362. [2024-11-08 15:17:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1005 states have (on average 1.2656716417910447) internal successors, (1272), 1108 states have internal predecessors, (1272), 211 states have call successors, (211), 123 states have call predecessors, (211), 145 states have return successors, (303), 222 states have call predecessors, (303), 211 states have call successors, (303) [2024-11-08 15:17:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1786 transitions. [2024-11-08 15:17:30,369 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1786 transitions. Word has length 96 [2024-11-08 15:17:30,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:30,370 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1786 transitions. [2024-11-08 15:17:30,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-08 15:17:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1786 transitions. [2024-11-08 15:17:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 15:17:30,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:30,374 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:30,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:17:30,375 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:30,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 534729444, now seen corresponding path program 1 times [2024-11-08 15:17:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:30,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258308914] [2024-11-08 15:17:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:17:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:17:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 15:17:30,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:30,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258308914] [2024-11-08 15:17:30,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258308914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:30,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109321823] [2024-11-08 15:17:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:30,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:30,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:30,542 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) [2024-11-08 15:17:30,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:17:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:30,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:30,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 15:17:30,792 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:30,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109321823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:30,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:30,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2024-11-08 15:17:30,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983653908] [2024-11-08 15:17:30,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:30,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:30,797 INFO L87 Difference]: Start difference. First operand 1362 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:17:30,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:30,888 INFO L93 Difference]: Finished difference Result 2992 states and 4028 transitions. [2024-11-08 15:17:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:30,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2024-11-08 15:17:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:30,900 INFO L225 Difference]: With dead ends: 2992 [2024-11-08 15:17:30,900 INFO L226 Difference]: Without dead ends: 1653 [2024-11-08 15:17:30,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:30,908 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 93 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:30,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 350 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-11-08 15:17:31,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1653. [2024-11-08 15:17:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1225 states have (on average 1.2563265306122449) internal successors, (1539), 1336 states have internal predecessors, (1539), 246 states have call successors, (246), 159 states have call predecessors, (246), 181 states have return successors, (373), 254 states have call predecessors, (373), 246 states have call successors, (373) [2024-11-08 15:17:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2158 transitions. [2024-11-08 15:17:31,033 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2158 transitions. Word has length 136 [2024-11-08 15:17:31,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:31,034 INFO L471 AbstractCegarLoop]: Abstraction has 1653 states and 2158 transitions. [2024-11-08 15:17:31,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:17:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2158 transitions. [2024-11-08 15:17:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 15:17:31,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:31,039 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:31,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 15:17:31,239 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 [2024-11-08 15:17:31,240 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:31,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash -727153918, now seen corresponding path program 1 times [2024-11-08 15:17:31,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:31,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234594268] [2024-11-08 15:17:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:17:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:17:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 15:17:31,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:31,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234594268] [2024-11-08 15:17:31,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234594268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:31,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678443368] [2024-11-08 15:17:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:31,525 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) [2024-11-08 15:17:31,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:17:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:31,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:17:31,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 15:17:31,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 15:17:32,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678443368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:32,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:32,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 17 [2024-11-08 15:17:32,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190006197] [2024-11-08 15:17:32,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:32,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 15:17:32,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 15:17:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:17:32,116 INFO L87 Difference]: Start difference. First operand 1653 states and 2158 transitions. Second operand has 17 states, 17 states have (on average 8.294117647058824) internal successors, (141), 12 states have internal predecessors, (141), 6 states have call successors, (37), 7 states have call predecessors, (37), 6 states have return successors, (32), 8 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-08 15:17:34,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:34,080 INFO L93 Difference]: Finished difference Result 3363 states and 4514 transitions. [2024-11-08 15:17:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-08 15:17:34,081 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.294117647058824) internal successors, (141), 12 states have internal predecessors, (141), 6 states have call successors, (37), 7 states have call predecessors, (37), 6 states have return successors, (32), 8 states have call predecessors, (32), 6 states have call successors, (32) Word has length 138 [2024-11-08 15:17:34,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:34,094 INFO L225 Difference]: With dead ends: 3363 [2024-11-08 15:17:34,094 INFO L226 Difference]: Without dead ends: 2196 [2024-11-08 15:17:34,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 318 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=598, Invalid=2482, Unknown=0, NotChecked=0, Total=3080 [2024-11-08 15:17:34,102 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 750 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:34,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 1828 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:17:34,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2024-11-08 15:17:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1879. [2024-11-08 15:17:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1391 states have (on average 1.2480230050323509) internal successors, (1736), 1518 states have internal predecessors, (1736), 278 states have call successors, (278), 195 states have call predecessors, (278), 209 states have return successors, (384), 277 states have call predecessors, (384), 278 states have call successors, (384) [2024-11-08 15:17:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2398 transitions. [2024-11-08 15:17:34,335 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2398 transitions. Word has length 138 [2024-11-08 15:17:34,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:34,336 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2398 transitions. [2024-11-08 15:17:34,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.294117647058824) internal successors, (141), 12 states have internal predecessors, (141), 6 states have call successors, (37), 7 states have call predecessors, (37), 6 states have return successors, (32), 8 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-08 15:17:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2398 transitions. [2024-11-08 15:17:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-08 15:17:34,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:34,345 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 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, 3, 3, 3, 3, 3, 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] [2024-11-08 15:17:34,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 15:17:34,548 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 [2024-11-08 15:17:34,549 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:34,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:34,550 INFO L85 PathProgramCache]: Analyzing trace with hash -729053252, now seen corresponding path program 1 times [2024-11-08 15:17:34,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:34,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103915577] [2024-11-08 15:17:34,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:34,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:17:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:17:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 15:17:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 15:17:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 15:17:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 85 proven. 14 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-08 15:17:34,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:34,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103915577] [2024-11-08 15:17:34,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103915577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:34,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074451860] [2024-11-08 15:17:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:34,750 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) [2024-11-08 15:17:34,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:17:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:34,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:34,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 15:17:35,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:35,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074451860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:35,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:35,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2024-11-08 15:17:35,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116589438] [2024-11-08 15:17:35,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:35,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:35,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:35,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:35,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:35,047 INFO L87 Difference]: Start difference. First operand 1879 states and 2398 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 15:17:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:35,293 INFO L93 Difference]: Finished difference Result 5472 states and 7096 transitions. [2024-11-08 15:17:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 229 [2024-11-08 15:17:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:35,318 INFO L225 Difference]: With dead ends: 5472 [2024-11-08 15:17:35,319 INFO L226 Difference]: Without dead ends: 3616 [2024-11-08 15:17:35,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:35,328 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 91 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:35,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 380 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2024-11-08 15:17:35,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3614. [2024-11-08 15:17:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 2697 states have (on average 1.246941045606229) internal successors, (3363), 2908 states have internal predecessors, (3363), 502 states have call successors, (502), 386 states have call predecessors, (502), 414 states have return successors, (762), 486 states have call predecessors, (762), 502 states have call successors, (762) [2024-11-08 15:17:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 4627 transitions. [2024-11-08 15:17:35,640 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 4627 transitions. Word has length 229 [2024-11-08 15:17:35,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:35,640 INFO L471 AbstractCegarLoop]: Abstraction has 3614 states and 4627 transitions. [2024-11-08 15:17:35,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 15:17:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4627 transitions. [2024-11-08 15:17:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-08 15:17:35,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:35,653 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:35,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:17:35,857 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 [2024-11-08 15:17:35,858 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:35,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1337583832, now seen corresponding path program 1 times [2024-11-08 15:17:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:35,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202279168] [2024-11-08 15:17:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 15:17:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 15:17:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-08 15:17:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 15:17:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 15:17:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-08 15:17:36,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:36,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202279168] [2024-11-08 15:17:36,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202279168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:36,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331936002] [2024-11-08 15:17:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:36,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:36,099 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) [2024-11-08 15:17:36,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:17:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:36,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:36,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 15:17:36,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:36,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331936002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:36,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:36,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2024-11-08 15:17:36,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601108084] [2024-11-08 15:17:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:36,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:36,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:36,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:36,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:36,399 INFO L87 Difference]: Start difference. First operand 3614 states and 4627 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 15:17:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:36,714 INFO L93 Difference]: Finished difference Result 5503 states and 7018 transitions. [2024-11-08 15:17:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:36,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 242 [2024-11-08 15:17:36,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:36,740 INFO L225 Difference]: With dead ends: 5503 [2024-11-08 15:17:36,741 INFO L226 Difference]: Without dead ends: 3751 [2024-11-08 15:17:36,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:36,751 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 76 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:36,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 459 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:36,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2024-11-08 15:17:37,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3749. [2024-11-08 15:17:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3749 states, 2803 states have (on average 1.2433107384944702) internal successors, (3485), 3019 states have internal predecessors, (3485), 518 states have call successors, (518), 401 states have call predecessors, (518), 427 states have return successors, (716), 499 states have call predecessors, (716), 518 states have call successors, (716) [2024-11-08 15:17:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 3749 states and 4719 transitions. [2024-11-08 15:17:37,124 INFO L78 Accepts]: Start accepts. Automaton has 3749 states and 4719 transitions. Word has length 242 [2024-11-08 15:17:37,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:37,126 INFO L471 AbstractCegarLoop]: Abstraction has 3749 states and 4719 transitions. [2024-11-08 15:17:37,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 15:17:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 4719 transitions. [2024-11-08 15:17:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-08 15:17:37,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:37,139 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 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, 3, 3, 3, 3, 3, 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] [2024-11-08 15:17:37,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:37,339 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 [2024-11-08 15:17:37,341 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:37,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:37,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1490477593, now seen corresponding path program 1 times [2024-11-08 15:17:37,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:37,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504993173] [2024-11-08 15:17:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:17:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:17:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 15:17:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 15:17:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 15:17:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 100 proven. 8 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 15:17:37,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:37,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504993173] [2024-11-08 15:17:37,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504993173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:37,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718296096] [2024-11-08 15:17:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:37,552 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) [2024-11-08 15:17:37,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:17:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:37,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:37,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 15:17:37,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:37,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718296096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:37,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:37,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2024-11-08 15:17:37,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709167644] [2024-11-08 15:17:37,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:37,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:37,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:37,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:37,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:37,843 INFO L87 Difference]: Start difference. First operand 3749 states and 4719 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 15:17:38,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:38,315 INFO L93 Difference]: Finished difference Result 10564 states and 13587 transitions. [2024-11-08 15:17:38,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:38,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 231 [2024-11-08 15:17:38,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:38,356 INFO L225 Difference]: With dead ends: 10564 [2024-11-08 15:17:38,356 INFO L226 Difference]: Without dead ends: 6976 [2024-11-08 15:17:38,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:38,370 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 84 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:38,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 393 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6976 states. [2024-11-08 15:17:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6976 to 6959. [2024-11-08 15:17:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 5226 states have (on average 1.2384232682740146) internal successors, (6472), 5569 states have internal predecessors, (6472), 919 states have call successors, (919), 769 states have call predecessors, (919), 813 states have return successors, (1429), 869 states have call predecessors, (1429), 919 states have call successors, (1429) [2024-11-08 15:17:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 8820 transitions. [2024-11-08 15:17:39,130 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 8820 transitions. Word has length 231 [2024-11-08 15:17:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:39,132 INFO L471 AbstractCegarLoop]: Abstraction has 6959 states and 8820 transitions. [2024-11-08 15:17:39,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 15:17:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 8820 transitions. [2024-11-08 15:17:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-08 15:17:39,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:39,155 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:39,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:39,355 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 [2024-11-08 15:17:39,356 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:39,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2004703092, now seen corresponding path program 1 times [2024-11-08 15:17:39,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:39,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661070312] [2024-11-08 15:17:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 15:17:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 15:17:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 15:17:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-08 15:17:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-08 15:17:39,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:39,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661070312] [2024-11-08 15:17:39,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661070312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:39,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407770455] [2024-11-08 15:17:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:39,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:39,580 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) [2024-11-08 15:17:39,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:17:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:39,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:39,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-08 15:17:39,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407770455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:39,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:39,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-08 15:17:39,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346200468] [2024-11-08 15:17:39,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:39,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:39,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:39,920 INFO L87 Difference]: Start difference. First operand 6959 states and 8820 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 15:17:40,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:40,404 INFO L93 Difference]: Finished difference Result 10222 states and 12869 transitions. [2024-11-08 15:17:40,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:40,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 244 [2024-11-08 15:17:40,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:40,449 INFO L225 Difference]: With dead ends: 10222 [2024-11-08 15:17:40,449 INFO L226 Difference]: Without dead ends: 6981 [2024-11-08 15:17:40,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:40,461 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 66 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:40,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 457 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6981 states. [2024-11-08 15:17:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6981 to 6979. [2024-11-08 15:17:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6979 states, 5238 states have (on average 1.233295150820924) internal successors, (6460), 5581 states have internal predecessors, (6460), 927 states have call successors, (927), 777 states have call predecessors, (927), 813 states have return successors, (1285), 869 states have call predecessors, (1285), 927 states have call successors, (1285) [2024-11-08 15:17:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 8672 transitions. [2024-11-08 15:17:41,062 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 8672 transitions. Word has length 244 [2024-11-08 15:17:41,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:41,063 INFO L471 AbstractCegarLoop]: Abstraction has 6979 states and 8672 transitions. [2024-11-08 15:17:41,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 15:17:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 8672 transitions. [2024-11-08 15:17:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-08 15:17:41,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:41,083 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 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, 3, 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] [2024-11-08 15:17:41,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:41,287 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 [2024-11-08 15:17:41,288 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:41,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:41,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1170090510, now seen corresponding path program 1 times [2024-11-08 15:17:41,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:41,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198035962] [2024-11-08 15:17:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:17:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:17:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 15:17:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-08 15:17:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 15:17:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-08 15:17:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-08 15:17:41,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:41,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198035962] [2024-11-08 15:17:41,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198035962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:41,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106292671] [2024-11-08 15:17:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:41,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:41,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:41,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:41,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 15:17:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:41,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:41,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-08 15:17:41,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106292671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:41,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:41,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-08 15:17:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238408725] [2024-11-08 15:17:41,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:41,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:41,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:41,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:17:41,607 INFO L87 Difference]: Start difference. First operand 6979 states and 8672 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 15:17:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:42,074 INFO L93 Difference]: Finished difference Result 10994 states and 13620 transitions. [2024-11-08 15:17:42,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:42,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 237 [2024-11-08 15:17:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:42,104 INFO L225 Difference]: With dead ends: 10994 [2024-11-08 15:17:42,105 INFO L226 Difference]: Without dead ends: 4187 [2024-11-08 15:17:42,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:17:42,126 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:42,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 381 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4187 states. [2024-11-08 15:17:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4187 to 4135. [2024-11-08 15:17:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4135 states, 3120 states have (on average 1.2262820512820514) internal successors, (3826), 3326 states have internal predecessors, (3826), 543 states have call successors, (543), 458 states have call predecessors, (543), 471 states have return successors, (689), 502 states have call predecessors, (689), 543 states have call successors, (689) [2024-11-08 15:17:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 5058 transitions. [2024-11-08 15:17:42,644 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 5058 transitions. Word has length 237 [2024-11-08 15:17:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:42,645 INFO L471 AbstractCegarLoop]: Abstraction has 4135 states and 5058 transitions. [2024-11-08 15:17:42,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 15:17:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 5058 transitions. [2024-11-08 15:17:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-08 15:17:42,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:42,660 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:42,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 15:17:42,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:42,861 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:42,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -596601686, now seen corresponding path program 1 times [2024-11-08 15:17:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144503380] [2024-11-08 15:17:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:42,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 15:17:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 15:17:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 15:17:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 15:17:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 15:17:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 110 proven. 8 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-08 15:17:43,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:43,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144503380] [2024-11-08 15:17:43,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144503380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:43,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123856546] [2024-11-08 15:17:43,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:43,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:43,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:43,284 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:43,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 15:17:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:43,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 15:17:43,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 167 proven. 4 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 15:17:43,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 89 proven. 43 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-08 15:17:44,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123856546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:44,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:44,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 11] total 29 [2024-11-08 15:17:44,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246737087] [2024-11-08 15:17:44,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:44,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 15:17:44,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:44,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 15:17:44,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2024-11-08 15:17:44,324 INFO L87 Difference]: Start difference. First operand 4135 states and 5058 transitions. Second operand has 29 states, 29 states have (on average 8.89655172413793) internal successors, (258), 23 states have internal predecessors, (258), 10 states have call successors, (57), 9 states have call predecessors, (57), 13 states have return successors, (59), 12 states have call predecessors, (59), 10 states have call successors, (59) [2024-11-08 15:17:47,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:47,888 INFO L93 Difference]: Finished difference Result 13236 states and 16782 transitions. [2024-11-08 15:17:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-08 15:17:47,889 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.89655172413793) internal successors, (258), 23 states have internal predecessors, (258), 10 states have call successors, (57), 9 states have call predecessors, (57), 13 states have return successors, (59), 12 states have call predecessors, (59), 10 states have call successors, (59) Word has length 242 [2024-11-08 15:17:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:47,929 INFO L225 Difference]: With dead ends: 13236 [2024-11-08 15:17:47,929 INFO L226 Difference]: Without dead ends: 9146 [2024-11-08 15:17:47,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 537 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1848 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1161, Invalid=5645, Unknown=0, NotChecked=0, Total=6806 [2024-11-08 15:17:47,946 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 2209 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 1165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 4614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1165 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:47,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 1801 Invalid, 4614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1165 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 15:17:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2024-11-08 15:17:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 8902. [2024-11-08 15:17:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8902 states, 6722 states have (on average 1.1838738470693246) internal successors, (7958), 7148 states have internal predecessors, (7958), 1170 states have call successors, (1170), 1006 states have call predecessors, (1170), 1009 states have return successors, (1479), 1047 states have call predecessors, (1479), 1170 states have call successors, (1479) [2024-11-08 15:17:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 10607 transitions. [2024-11-08 15:17:48,574 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 10607 transitions. Word has length 242 [2024-11-08 15:17:48,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:48,575 INFO L471 AbstractCegarLoop]: Abstraction has 8902 states and 10607 transitions. [2024-11-08 15:17:48,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.89655172413793) internal successors, (258), 23 states have internal predecessors, (258), 10 states have call successors, (57), 9 states have call predecessors, (57), 13 states have return successors, (59), 12 states have call predecessors, (59), 10 states have call successors, (59) [2024-11-08 15:17:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 10607 transitions. [2024-11-08 15:17:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-08 15:17:48,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:48,598 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 4, 4, 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, 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, 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] [2024-11-08 15:17:48,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:48,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 15:17:48,803 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:48,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1426528135, now seen corresponding path program 1 times [2024-11-08 15:17:48,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903947152] [2024-11-08 15:17:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:17:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 15:17:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 15:17:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 15:17:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 15:17:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 15:17:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 103 proven. 61 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-08 15:17:49,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903947152] [2024-11-08 15:17:49,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903947152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53423380] [2024-11-08 15:17:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:49,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:49,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:49,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:49,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 15:17:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:49,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 15:17:49,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 216 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-08 15:17:49,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 109 proven. 80 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-08 15:17:50,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53423380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:50,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:50,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2024-11-08 15:17:50,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969762195] [2024-11-08 15:17:50,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:50,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 15:17:50,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:50,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 15:17:50,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:17:50,089 INFO L87 Difference]: Start difference. First operand 8902 states and 10607 transitions. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 17 states have internal predecessors, (262), 7 states have call successors, (59), 7 states have call predecessors, (59), 11 states have return successors, (54), 10 states have call predecessors, (54), 7 states have call successors, (54) [2024-11-08 15:17:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:52,324 INFO L93 Difference]: Finished difference Result 15725 states and 18652 transitions. [2024-11-08 15:17:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 15:17:52,325 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 17 states have internal predecessors, (262), 7 states have call successors, (59), 7 states have call predecessors, (59), 11 states have return successors, (54), 10 states have call predecessors, (54), 7 states have call successors, (54) Word has length 258 [2024-11-08 15:17:52,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:52,375 INFO L225 Difference]: With dead ends: 15725 [2024-11-08 15:17:52,375 INFO L226 Difference]: Without dead ends: 9350 [2024-11-08 15:17:52,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 577 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=421, Invalid=1931, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 15:17:52,398 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 641 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:52,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 1476 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:17:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9350 states. [2024-11-08 15:17:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9350 to 8764. [2024-11-08 15:17:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8764 states, 6628 states have (on average 1.1769764634882318) internal successors, (7801), 7021 states have internal predecessors, (7801), 1091 states have call successors, (1091), 1009 states have call predecessors, (1091), 1044 states have return successors, (1382), 1027 states have call predecessors, (1382), 1091 states have call successors, (1382) [2024-11-08 15:17:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8764 states to 8764 states and 10274 transitions. [2024-11-08 15:17:53,163 INFO L78 Accepts]: Start accepts. Automaton has 8764 states and 10274 transitions. Word has length 258 [2024-11-08 15:17:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:53,164 INFO L471 AbstractCegarLoop]: Abstraction has 8764 states and 10274 transitions. [2024-11-08 15:17:53,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 17 states have internal predecessors, (262), 7 states have call successors, (59), 7 states have call predecessors, (59), 11 states have return successors, (54), 10 states have call predecessors, (54), 7 states have call successors, (54) [2024-11-08 15:17:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8764 states and 10274 transitions. [2024-11-08 15:17:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-08 15:17:53,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:53,189 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 4, 4, 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, 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, 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] [2024-11-08 15:17:53,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 15:17:53,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 15:17:53,391 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:53,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -16050552, now seen corresponding path program 1 times [2024-11-08 15:17:53,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:53,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621429409] [2024-11-08 15:17:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:17:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:17:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 15:17:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 15:17:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 15:17:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-08 15:17:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 15:17:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 15:17:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-08 15:17:53,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:53,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621429409] [2024-11-08 15:17:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621429409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:53,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197810315] [2024-11-08 15:17:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:53,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:53,614 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:53,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 15:17:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:53,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 15:17:53,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 151 proven. 28 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-08 15:17:54,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-08 15:17:54,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197810315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:54,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 13] total 22 [2024-11-08 15:17:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637341714] [2024-11-08 15:17:54,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:54,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 15:17:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:54,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 15:17:54,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-11-08 15:17:54,628 INFO L87 Difference]: Start difference. First operand 8764 states and 10274 transitions. Second operand has 22 states, 22 states have (on average 12.090909090909092) internal successors, (266), 18 states have internal predecessors, (266), 12 states have call successors, (65), 10 states have call predecessors, (65), 12 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) [2024-11-08 15:17:56,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:56,577 INFO L93 Difference]: Finished difference Result 18213 states and 21815 transitions. [2024-11-08 15:17:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 15:17:56,578 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 12.090909090909092) internal successors, (266), 18 states have internal predecessors, (266), 12 states have call successors, (65), 10 states have call predecessors, (65), 12 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) Word has length 259 [2024-11-08 15:17:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:56,632 INFO L225 Difference]: With dead ends: 18213 [2024-11-08 15:17:56,632 INFO L226 Difference]: Without dead ends: 13409 [2024-11-08 15:17:56,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 569 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=579, Invalid=1583, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 15:17:56,652 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1038 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:56,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 1720 Invalid, 2368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:17:56,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13409 states. [2024-11-08 15:17:57,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13409 to 11675. [2024-11-08 15:17:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11675 states, 8868 states have (on average 1.1796346414073071) internal successors, (10461), 9343 states have internal predecessors, (10461), 1458 states have call successors, (1458), 1360 states have call predecessors, (1458), 1348 states have return successors, (1785), 1369 states have call predecessors, (1785), 1458 states have call successors, (1785) [2024-11-08 15:17:57,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11675 states to 11675 states and 13704 transitions. [2024-11-08 15:17:57,481 INFO L78 Accepts]: Start accepts. Automaton has 11675 states and 13704 transitions. Word has length 259 [2024-11-08 15:17:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:57,482 INFO L471 AbstractCegarLoop]: Abstraction has 11675 states and 13704 transitions. [2024-11-08 15:17:57,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.090909090909092) internal successors, (266), 18 states have internal predecessors, (266), 12 states have call successors, (65), 10 states have call predecessors, (65), 12 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) [2024-11-08 15:17:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 11675 states and 13704 transitions. [2024-11-08 15:17:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-08 15:17:57,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:57,503 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:57,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 15:17:57,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 15:17:57,704 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1764088484, now seen corresponding path program 1 times [2024-11-08 15:17:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977646544] [2024-11-08 15:17:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:17:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:17:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:17:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:17:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:17:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:17:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:17:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 15:17:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 15:17:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 15:17:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 15:17:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 15:17:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 15:17:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 15:17:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-08 15:17:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 15:17:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:17:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-08 15:17:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 114 proven. 35 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-08 15:17:58,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:58,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977646544] [2024-11-08 15:17:58,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977646544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:58,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414646383] [2024-11-08 15:17:58,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:58,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:58,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:58,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 15:17:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:58,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:58,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-08 15:17:58,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:58,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414646383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:58,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:58,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-08 15:17:58,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190810861] [2024-11-08 15:17:58,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:58,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:58,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:58,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:58,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:17:58,474 INFO L87 Difference]: Start difference. First operand 11675 states and 13704 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-08 15:18:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:18:00,230 INFO L93 Difference]: Finished difference Result 34570 states and 40589 transitions. [2024-11-08 15:18:00,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:18:00,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 285 [2024-11-08 15:18:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:18:00,308 INFO L225 Difference]: With dead ends: 34570 [2024-11-08 15:18:00,309 INFO L226 Difference]: Without dead ends: 18157 [2024-11-08 15:18:00,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:18:00,344 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 87 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:18:00,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 365 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:18:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18157 states. [2024-11-08 15:18:01,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18157 to 18022. [2024-11-08 15:18:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18022 states, 13635 states have (on average 1.1513017968463513) internal successors, (15698), 14334 states have internal predecessors, (15698), 2282 states have call successors, (2282), 2118 states have call predecessors, (2282), 2104 states have return successors, (2864), 2143 states have call predecessors, (2864), 2282 states have call successors, (2864) [2024-11-08 15:18:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18022 states to 18022 states and 20844 transitions. [2024-11-08 15:18:02,055 INFO L78 Accepts]: Start accepts. Automaton has 18022 states and 20844 transitions. Word has length 285 [2024-11-08 15:18:02,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:18:02,055 INFO L471 AbstractCegarLoop]: Abstraction has 18022 states and 20844 transitions. [2024-11-08 15:18:02,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-08 15:18:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18022 states and 20844 transitions. [2024-11-08 15:18:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-08 15:18:02,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:18:02,087 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:18:02,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 15:18:02,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:18:02,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:18:02,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:18:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1133073130, now seen corresponding path program 1 times [2024-11-08 15:18:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:18:02,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680567921] [2024-11-08 15:18:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:18:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:18:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:18:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:18:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:18:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:18:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:18:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:18:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 15:18:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:18:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:18:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:18:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:18:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:18:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:18:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 15:18:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 15:18:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:18:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:18:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 15:18:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 15:18:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 15:18:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 15:18:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 15:18:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-08 15:18:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-08 15:18:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:18:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 15:18:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-08 15:18:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 111 proven. 36 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-11-08 15:18:02,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:18:02,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680567921] [2024-11-08 15:18:02,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680567921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:18:02,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909558057] [2024-11-08 15:18:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:18:02,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:18:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:18:02,629 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:18:02,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 15:18:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:18:02,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 15:18:02,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:18:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 238 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 15:18:03,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:18:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 145 proven. 77 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-08 15:18:03,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909558057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:18:03,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:18:03,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 31 [2024-11-08 15:18:03,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519445457] [2024-11-08 15:18:03,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:18:03,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 15:18:03,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:18:03,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 15:18:03,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2024-11-08 15:18:03,913 INFO L87 Difference]: Start difference. First operand 18022 states and 20844 transitions. Second operand has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 27 states have internal predecessors, (280), 13 states have call successors, (64), 10 states have call predecessors, (64), 15 states have return successors, (66), 13 states have call predecessors, (66), 13 states have call successors, (66) [2024-11-08 15:18:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:18:07,086 INFO L93 Difference]: Finished difference Result 30556 states and 35852 transitions. [2024-11-08 15:18:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-08 15:18:07,087 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 27 states have internal predecessors, (280), 13 states have call successors, (64), 10 states have call predecessors, (64), 15 states have return successors, (66), 13 states have call predecessors, (66), 13 states have call successors, (66) Word has length 285 [2024-11-08 15:18:07,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:18:07,111 INFO L225 Difference]: With dead ends: 30556 [2024-11-08 15:18:07,111 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:18:07,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 629 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1127, Invalid=4423, Unknown=0, NotChecked=0, Total=5550 [2024-11-08 15:18:07,157 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1670 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 4147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 871 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:18:07,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 1968 Invalid, 4147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [871 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:18:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:18:07,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:18:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:18:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:18:07,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2024-11-08 15:18:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:18:07,178 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:18:07,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 27 states have internal predecessors, (280), 13 states have call successors, (64), 10 states have call predecessors, (64), 15 states have return successors, (66), 13 states have call predecessors, (66), 13 states have call successors, (66) [2024-11-08 15:18:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:18:07,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:18:07,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:18:07,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 15:18:07,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:18:07,384 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:18:07,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.