./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:59:41,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:59:41,852 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:59:41,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:59:41,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:59:41,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:59:41,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:59:41,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:59:41,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:59:41,874 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:59:41,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:59:41,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:59:41,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:59:41,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:59:41,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:59:41,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:59:41,877 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:41,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:59:41,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:41,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:59:41,878 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2025-01-09 03:59:42,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:59:42,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:59:42,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:59:42,131 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:59:42,131 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:59:42,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2025-01-09 03:59:43,402 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/855c6d715/cb9768dbbcb6438f9b31831e898684ed/FLAGf1b0cd609 [2025-01-09 03:59:43,741 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:59:43,741 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2025-01-09 03:59:43,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/855c6d715/cb9768dbbcb6438f9b31831e898684ed/FLAGf1b0cd609 [2025-01-09 03:59:43,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/855c6d715/cb9768dbbcb6438f9b31831e898684ed [2025-01-09 03:59:44,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:59:44,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:59:44,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:59:44,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:59:44,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:59:44,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:59:43" (1/1) ... [2025-01-09 03:59:44,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e35fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44, skipping insertion in model container [2025-01-09 03:59:44,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:59:43" (1/1) ... [2025-01-09 03:59:44,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:59:44,196 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2025-01-09 03:59:44,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:59:44,261 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:59:44,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] [2025-01-09 03:59:44,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] [2025-01-09 03:59:44,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2025-01-09 03:59:44,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:59:44,317 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:59:44,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44 WrapperNode [2025-01-09 03:59:44,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:59:44,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:59:44,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:59:44,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:59:44,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,356 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 185 [2025-01-09 03:59:44,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:59:44,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:59:44,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:59:44,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:59:44,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,385 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]. [2025-01-09 03:59:44,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,391 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:59:44,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:59:44,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:59:44,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:59:44,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (1/1) ... [2025-01-09 03:59:44,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:59:44,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 03:59:44,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 03:59:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 03:59:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 03:59:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 03:59:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 03:59:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 03:59:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 03:59:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 03:59:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 03:59:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-01-09 03:59:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-01-09 03:59:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:59:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 03:59:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 03:59:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:59:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:59:44,543 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:59:44,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:59:44,739 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2025-01-09 03:59:44,739 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:59:44,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:59:44,750 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 03:59:44,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:44 BoogieIcfgContainer [2025-01-09 03:59:44,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:59:44,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:59:44,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:59:44,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:59:44,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:59:43" (1/3) ... [2025-01-09 03:59:44,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:59:44, skipping insertion in model container [2025-01-09 03:59:44,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:44" (2/3) ... [2025-01-09 03:59:44,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:59:44, skipping insertion in model container [2025-01-09 03:59:44,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:44" (3/3) ... [2025-01-09 03:59:44,759 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2025-01-09 03:59:44,769 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:59:44,772 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product46.cil.c that has 9 procedures, 92 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 03:59:44,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:59:44,842 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;@797154cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:59:44,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:59:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 76 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 03:59:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 03:59:44,852 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:44,852 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:44,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:44,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash -763427313, now seen corresponding path program 1 times [2025-01-09 03:59:44,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:44,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702464887] [2025-01-09 03:59:44,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:44,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 03:59:44,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 03:59:44,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:44,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702464887] [2025-01-09 03:59:45,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702464887] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:45,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:45,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:59:45,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145184371] [2025-01-09 03:59:45,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:45,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:59:45,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:45,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:59:45,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:59:45,091 INFO L87 Difference]: Start difference. First operand has 92 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 76 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:45,120 INFO L93 Difference]: Finished difference Result 164 states and 216 transitions. [2025-01-09 03:59:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:59:45,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2025-01-09 03:59:45,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:45,126 INFO L225 Difference]: With dead ends: 164 [2025-01-09 03:59:45,126 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 03:59:45,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:59:45,130 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 182 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 [2025-01-09 03:59:45,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 03:59:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-01-09 03:59:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 03:59:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2025-01-09 03:59:45,158 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 23 [2025-01-09 03:59:45,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:45,158 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2025-01-09 03:59:45,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2025-01-09 03:59:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-09 03:59:45,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:45,159 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:45,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 03:59:45,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:45,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1831927006, now seen corresponding path program 1 times [2025-01-09 03:59:45,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:45,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874191593] [2025-01-09 03:59:45,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:45,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-09 03:59:45,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-09 03:59:45,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:45,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:45,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:45,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874191593] [2025-01-09 03:59:45,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874191593] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:45,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:45,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:59:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277671531] [2025-01-09 03:59:45,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:45,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:45,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:45,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:45,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:45,340 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:45,383 INFO L93 Difference]: Finished difference Result 143 states and 186 transitions. [2025-01-09 03:59:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:59:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-01-09 03:59:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:45,384 INFO L225 Difference]: With dead ends: 143 [2025-01-09 03:59:45,385 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 03:59:45,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:59:45,386 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 90 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:45,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 274 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 03:59:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-01-09 03:59:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 03:59:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2025-01-09 03:59:45,393 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 28 [2025-01-09 03:59:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:45,393 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2025-01-09 03:59:45,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2025-01-09 03:59:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-09 03:59:45,394 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:45,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:45,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 03:59:45,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:45,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2076814881, now seen corresponding path program 1 times [2025-01-09 03:59:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:45,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158342033] [2025-01-09 03:59:45,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:45,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-09 03:59:45,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-09 03:59:45,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:45,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:45,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:45,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158342033] [2025-01-09 03:59:45,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158342033] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:45,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:45,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:59:45,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399915263] [2025-01-09 03:59:45,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:45,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:45,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:45,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:45,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:45,484 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-09 03:59:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:45,694 INFO L93 Difference]: Finished difference Result 220 states and 277 transitions. [2025-01-09 03:59:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:59:45,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2025-01-09 03:59:45,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:45,696 INFO L225 Difference]: With dead ends: 220 [2025-01-09 03:59:45,696 INFO L226 Difference]: Without dead ends: 152 [2025-01-09 03:59:45,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:59:45,697 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 184 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:45,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 255 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:59:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-01-09 03:59:45,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2025-01-09 03:59:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 117 states have internal predecessors, (136), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-09 03:59:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 177 transitions. [2025-01-09 03:59:45,715 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 177 transitions. Word has length 38 [2025-01-09 03:59:45,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:45,715 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 177 transitions. [2025-01-09 03:59:45,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-09 03:59:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2025-01-09 03:59:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-09 03:59:45,716 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:45,716 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:45,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 03:59:45,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:45,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:45,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1571298023, now seen corresponding path program 1 times [2025-01-09 03:59:45,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:45,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648615193] [2025-01-09 03:59:45,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:45,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:45,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 03:59:45,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 03:59:45,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:45,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:45,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648615193] [2025-01-09 03:59:45,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648615193] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:45,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:45,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:59:45,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061322376] [2025-01-09 03:59:45,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:45,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:59:45,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:45,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:59:45,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:45,828 INFO L87 Difference]: Start difference. First operand 146 states and 177 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 03:59:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:46,118 INFO L93 Difference]: Finished difference Result 150 states and 179 transitions. [2025-01-09 03:59:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 03:59:46,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2025-01-09 03:59:46,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:46,120 INFO L225 Difference]: With dead ends: 150 [2025-01-09 03:59:46,123 INFO L226 Difference]: Without dead ends: 148 [2025-01-09 03:59:46,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:59:46,124 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 128 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:46,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 298 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:59:46,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-01-09 03:59:46,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2025-01-09 03:59:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.2293577981651376) internal successors, (134), 117 states have internal predecessors, (134), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-09 03:59:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2025-01-09 03:59:46,165 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 44 [2025-01-09 03:59:46,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:46,166 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2025-01-09 03:59:46,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 03:59:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2025-01-09 03:59:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 03:59:46,168 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:46,168 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:46,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 03:59:46,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash 403949728, now seen corresponding path program 1 times [2025-01-09 03:59:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:46,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23185437] [2025-01-09 03:59:46,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:46,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 03:59:46,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 03:59:46,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:46,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:59:46,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:46,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23185437] [2025-01-09 03:59:46,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23185437] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:46,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:46,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:59:46,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147481699] [2025-01-09 03:59:46,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:46,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:46,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:46,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:46,289 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 03:59:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:46,325 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2025-01-09 03:59:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:59:46,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2025-01-09 03:59:46,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:46,327 INFO L225 Difference]: With dead ends: 288 [2025-01-09 03:59:46,330 INFO L226 Difference]: Without dead ends: 149 [2025-01-09 03:59:46,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:46,332 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:46,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-01-09 03:59:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-01-09 03:59:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 112 states have (on average 1.2232142857142858) internal successors, (137), 120 states have internal predecessors, (137), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-09 03:59:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 178 transitions. [2025-01-09 03:59:46,353 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 178 transitions. Word has length 54 [2025-01-09 03:59:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:46,353 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 178 transitions. [2025-01-09 03:59:46,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 03:59:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 178 transitions. [2025-01-09 03:59:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 03:59:46,354 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:46,355 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:46,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:59:46,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:46,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:46,358 INFO L85 PathProgramCache]: Analyzing trace with hash 426581982, now seen corresponding path program 1 times [2025-01-09 03:59:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392552656] [2025-01-09 03:59:46,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:46,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:46,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 03:59:46,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 03:59:46,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:46,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:59:46,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:46,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392552656] [2025-01-09 03:59:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392552656] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:46,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:46,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:59:46,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478923450] [2025-01-09 03:59:46,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:46,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:59:46,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:46,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:59:46,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:46,499 INFO L87 Difference]: Start difference. First operand 149 states and 178 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 03:59:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:46,545 INFO L93 Difference]: Finished difference Result 293 states and 358 transitions. [2025-01-09 03:59:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:59:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2025-01-09 03:59:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:46,547 INFO L225 Difference]: With dead ends: 293 [2025-01-09 03:59:46,547 INFO L226 Difference]: Without dead ends: 151 [2025-01-09 03:59:46,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:46,551 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:46,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-01-09 03:59:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-01-09 03:59:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.219298245614035) internal successors, (139), 122 states have internal predecessors, (139), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-09 03:59:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 180 transitions. [2025-01-09 03:59:46,570 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 180 transitions. Word has length 54 [2025-01-09 03:59:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:46,570 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 180 transitions. [2025-01-09 03:59:46,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-09 03:59:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 180 transitions. [2025-01-09 03:59:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 03:59:46,573 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:46,573 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:46,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:59:46,573 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:46,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash 701341596, now seen corresponding path program 1 times [2025-01-09 03:59:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:46,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406960763] [2025-01-09 03:59:46,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:46,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 03:59:46,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 03:59:46,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:46,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 03:59:46,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:46,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406960763] [2025-01-09 03:59:46,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406960763] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:46,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:46,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 03:59:46,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351475432] [2025-01-09 03:59:46,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:46,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 03:59:46,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:46,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 03:59:46,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:59:46,684 INFO L87 Difference]: Start difference. First operand 151 states and 180 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-09 03:59:46,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:46,933 INFO L93 Difference]: Finished difference Result 454 states and 562 transitions. [2025-01-09 03:59:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 03:59:46,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2025-01-09 03:59:46,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:46,937 INFO L225 Difference]: With dead ends: 454 [2025-01-09 03:59:46,937 INFO L226 Difference]: Without dead ends: 310 [2025-01-09 03:59:46,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 03:59:46,938 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 117 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:46,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 297 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:59:46,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-01-09 03:59:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 303. [2025-01-09 03:59:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 242 states have internal predecessors, (276), 37 states have call successors, (37), 32 states have call predecessors, (37), 37 states have return successors, (56), 39 states have call predecessors, (56), 37 states have call successors, (56) [2025-01-09 03:59:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 369 transitions. [2025-01-09 03:59:46,970 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 369 transitions. Word has length 54 [2025-01-09 03:59:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:46,970 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 369 transitions. [2025-01-09 03:59:46,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-09 03:59:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 369 transitions. [2025-01-09 03:59:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 03:59:46,973 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:46,973 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:46,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:59:46,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:46,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:46,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1291060790, now seen corresponding path program 1 times [2025-01-09 03:59:46,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:46,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630783050] [2025-01-09 03:59:46,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:46,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 03:59:46,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 03:59:46,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:46,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 03:59:47,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:47,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630783050] [2025-01-09 03:59:47,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630783050] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:47,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:47,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:59:47,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425271986] [2025-01-09 03:59:47,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:47,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:59:47,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:47,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:59:47,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:47,107 INFO L87 Difference]: Start difference. First operand 303 states and 369 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 03:59:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:47,220 INFO L93 Difference]: Finished difference Result 877 states and 1102 transitions. [2025-01-09 03:59:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:59:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2025-01-09 03:59:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:47,225 INFO L225 Difference]: With dead ends: 877 [2025-01-09 03:59:47,225 INFO L226 Difference]: Without dead ends: 581 [2025-01-09 03:59:47,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 03:59:47,227 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 64 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:47,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 421 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:59:47,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-01-09 03:59:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2025-01-09 03:59:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 432 states have (on average 1.1851851851851851) internal successors, (512), 459 states have internal predecessors, (512), 74 states have call successors, (74), 64 states have call predecessors, (74), 74 states have return successors, (117), 78 states have call predecessors, (117), 74 states have call successors, (117) [2025-01-09 03:59:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 703 transitions. [2025-01-09 03:59:47,325 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 703 transitions. Word has length 58 [2025-01-09 03:59:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:47,325 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 703 transitions. [2025-01-09 03:59:47,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 03:59:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 703 transitions. [2025-01-09 03:59:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-09 03:59:47,331 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:47,331 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:47,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:59:47,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:47,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1229573522, now seen corresponding path program 1 times [2025-01-09 03:59:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:47,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932123118] [2025-01-09 03:59:47,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:47,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:47,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 03:59:47,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 03:59:47,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:47,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 03:59:47,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:47,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932123118] [2025-01-09 03:59:47,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932123118] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:59:47,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298553685] [2025-01-09 03:59:47,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:47,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:59:47,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:59:47,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 03:59:47,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 03:59:47,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 03:59:47,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:47,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:47,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 03:59:47,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:59:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:47,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:59:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298553685] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:47,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:59:47,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2025-01-09 03:59:47,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549871659] [2025-01-09 03:59:47,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:47,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:59:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:47,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:59:47,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2025-01-09 03:59:47,855 INFO L87 Difference]: Start difference. First operand 581 states and 703 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-09 03:59:48,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:48,021 INFO L93 Difference]: Finished difference Result 1138 states and 1382 transitions. [2025-01-09 03:59:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:59:48,022 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2025-01-09 03:59:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:48,025 INFO L225 Difference]: With dead ends: 1138 [2025-01-09 03:59:48,025 INFO L226 Difference]: Without dead ends: 564 [2025-01-09 03:59:48,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2025-01-09 03:59:48,027 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 54 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:48,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 868 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:59:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-01-09 03:59:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2025-01-09 03:59:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 419 states have (on average 1.171837708830549) internal successors, (491), 445 states have internal predecessors, (491), 73 states have call successors, (73), 63 states have call predecessors, (73), 71 states have return successors, (105), 76 states have call predecessors, (105), 73 states have call successors, (105) [2025-01-09 03:59:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 669 transitions. [2025-01-09 03:59:48,077 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 669 transitions. Word has length 62 [2025-01-09 03:59:48,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:48,077 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 669 transitions. [2025-01-09 03:59:48,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-09 03:59:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 669 transitions. [2025-01-09 03:59:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-09 03:59:48,080 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:48,080 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2025-01-09 03:59:48,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 03:59:48,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:48,281 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:48,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:48,281 INFO L85 PathProgramCache]: Analyzing trace with hash 914175522, now seen corresponding path program 1 times [2025-01-09 03:59:48,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:48,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45746308] [2025-01-09 03:59:48,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:48,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:48,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 03:59:48,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 03:59:48,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:48,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 03:59:48,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:48,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45746308] [2025-01-09 03:59:48,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45746308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:59:48,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019329411] [2025-01-09 03:59:48,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:48,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:48,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:59:48,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:59:48,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 03:59:48,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 03:59:48,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 03:59:48,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:48,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:48,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 03:59:48,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:59:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-09 03:59:48,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:59:48,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019329411] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:48,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:59:48,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2025-01-09 03:59:48,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150488530] [2025-01-09 03:59:48,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:48,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:48,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:48,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:48,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:48,574 INFO L87 Difference]: Start difference. First operand 564 states and 669 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:59:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:48,854 INFO L93 Difference]: Finished difference Result 1154 states and 1406 transitions. [2025-01-09 03:59:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:59:48,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2025-01-09 03:59:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:48,859 INFO L225 Difference]: With dead ends: 1154 [2025-01-09 03:59:48,859 INFO L226 Difference]: Without dead ends: 687 [2025-01-09 03:59:48,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:59:48,861 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 133 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:48,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 269 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 03:59:48,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-01-09 03:59:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 685. [2025-01-09 03:59:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 509 states have (on average 1.1768172888015718) internal successors, (599), 539 states have internal predecessors, (599), 90 states have call successors, (90), 80 states have call predecessors, (90), 85 states have return successors, (135), 91 states have call predecessors, (135), 90 states have call successors, (135) [2025-01-09 03:59:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 824 transitions. [2025-01-09 03:59:48,925 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 824 transitions. Word has length 110 [2025-01-09 03:59:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:48,926 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 824 transitions. [2025-01-09 03:59:48,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:59:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 824 transitions. [2025-01-09 03:59:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-09 03:59:48,928 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:48,929 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:48,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 03:59:49,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:49,129 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:49,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:49,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1898158460, now seen corresponding path program 1 times [2025-01-09 03:59:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:49,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062772148] [2025-01-09 03:59:49,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:49,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-09 03:59:49,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-09 03:59:49,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:49,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:59:49,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062772148] [2025-01-09 03:59:49,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062772148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:59:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700860837] [2025-01-09 03:59:49,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:49,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:49,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:59:49,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:59:49,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 03:59:49,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-09 03:59:49,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-09 03:59:49,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:49,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:49,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 03:59:49,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:59:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-09 03:59:49,488 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:59:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700860837] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:49,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:59:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2025-01-09 03:59:49,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712801139] [2025-01-09 03:59:49,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:49,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:59:49,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:49,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:59:49,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2025-01-09 03:59:49,489 INFO L87 Difference]: Start difference. First operand 685 states and 824 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:59:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:49,614 INFO L93 Difference]: Finished difference Result 1201 states and 1461 transitions. [2025-01-09 03:59:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 03:59:49,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2025-01-09 03:59:49,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:49,616 INFO L225 Difference]: With dead ends: 1201 [2025-01-09 03:59:49,616 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 03:59:49,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2025-01-09 03:59:49,618 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 54 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:49,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 966 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:59:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 03:59:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 03:59:49,619 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) [2025-01-09 03:59:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 03:59:49,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2025-01-09 03:59:49,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:49,620 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 03:59:49,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:59:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 03:59:49,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 03:59:49,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 03:59:49,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 03:59:49,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:59:49,825 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:59:49,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 03:59:53,263 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 03:59:53,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:59:53 BoogieIcfgContainer [2025-01-09 03:59:53,274 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 03:59:53,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 03:59:53,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 03:59:53,274 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 03:59:53,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:44" (3/4) ... [2025-01-09 03:59:53,276 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-01-09 03:59:53,281 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-01-09 03:59:53,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 03:59:53,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 03:59:53,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 03:59:53,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:59:53,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:59:53,365 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 03:59:53,366 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 03:59:53,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 03:59:53,367 INFO L158 Benchmark]: Toolchain (without parser) took 9365.43ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 105.2MB in the beginning and 183.5MB in the end (delta: -78.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2025-01-09 03:59:53,367 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:53,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 86.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:59:53,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.01ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:53,368 INFO L158 Benchmark]: Boogie Preprocessor took 47.22ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:59:53,369 INFO L158 Benchmark]: RCFGBuilder took 345.68ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 66.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:59:53,369 INFO L158 Benchmark]: TraceAbstraction took 8521.58ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 66.3MB in the beginning and 191.8MB in the end (delta: -125.5MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2025-01-09 03:59:53,369 INFO L158 Benchmark]: Witness Printer took 91.73ms. Allocated memory is still 293.6MB. Free memory was 191.8MB in the beginning and 183.5MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:53,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 86.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.01ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.22ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 345.68ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 66.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8521.58ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 66.3MB in the beginning and 191.8MB in the end (delta: -125.5MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. * Witness Printer took 91.73ms. Allocated memory is still 293.6MB. Free memory was 191.8MB in the beginning and 183.5MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467] - GenericResultAtLocation [Line: 476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502] - GenericResultAtLocation [Line: 597]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 472]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 860 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 837 mSDsluCounter, 4639 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3416 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 890 IncrementalHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 1223 mSDtfsCounter, 890 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=10, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 909 NumberOfCodeBlocks, 909 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 895 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 1 NumberOfNonLiveVariables, 907 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 196/202 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (0 != systemActive)) || (((methaneLevelCritical == 0) && (splverifierCounter == 0)) && (0 != systemActive))) - InvariantResult [Line: 113]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 03:59:53,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE