./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_spec5_product47.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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:03:08,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:03:08,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:03:08,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:03:08,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:03:08,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:03:08,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:03:08,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:03:08,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:03:08,617 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:03:08,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:03:08,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:03:08,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:03:08,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:03:08,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:03:08,620 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:08,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:03:08,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:08,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:03:08,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:03:08,621 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 -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2025-01-09 04:03:08,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:03:08,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:03:08,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:03:08,927 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:03:08,928 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:03:08,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2025-01-09 04:03:10,281 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3563d60b8/aed0bc366fed49ae9f20ad19a6011389/FLAG17ce8f469 [2025-01-09 04:03:10,568 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:03:10,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2025-01-09 04:03:10,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3563d60b8/aed0bc366fed49ae9f20ad19a6011389/FLAG17ce8f469 [2025-01-09 04:03:10,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3563d60b8/aed0bc366fed49ae9f20ad19a6011389 [2025-01-09 04:03:10,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:03:10,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:03:10,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:03:10,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:03:10,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:03:10,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:03:10" (1/1) ... [2025-01-09 04:03:10,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150527dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:10, skipping insertion in model container [2025-01-09 04:03:10,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:03:10" (1/1) ... [2025-01-09 04:03:10,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:03:10,764 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_spec5_product47.cil.c[1605,1618] [2025-01-09 04:03:10,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:03:10,920 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:03:10,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-01-09 04:03:10,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2025-01-09 04:03:10,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2025-01-09 04:03:10,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] [2025-01-09 04:03:10,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] [2025-01-09 04:03:10,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] [2025-01-09 04:03:10,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] [2025-01-09 04:03:10,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] [2025-01-09 04:03:10,936 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_spec5_product47.cil.c[1605,1618] [2025-01-09 04:03:10,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:03:11,017 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:03:11,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11 WrapperNode [2025-01-09 04:03:11,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:03:11,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:03:11,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:03:11,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:03:11,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,073 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 211 [2025-01-09 04:03:11,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:03:11,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:03:11,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:03:11,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:03:11,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,109 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 04:03:11,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,115 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:03:11,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:03:11,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:03:11,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:03:11,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (1/1) ... [2025-01-09 04:03:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:11,165 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 04:03:11,170 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 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-01-09 04:03:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-01-09 04:03:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-01-09 04:03:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-01-09 04:03:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:03:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:03:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:03:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:03:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:03:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:03:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:03:11,252 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:03:11,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:03:11,573 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-01-09 04:03:11,573 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:03:11,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:03:11,588 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:03:11,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:11 BoogieIcfgContainer [2025-01-09 04:03:11,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:03:11,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:03:11,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:03:11,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:03:11,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:03:10" (1/3) ... [2025-01-09 04:03:11,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f683d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:03:11, skipping insertion in model container [2025-01-09 04:03:11,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:11" (2/3) ... [2025-01-09 04:03:11,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f683d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:03:11, skipping insertion in model container [2025-01-09 04:03:11,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:11" (3/3) ... [2025-01-09 04:03:11,600 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2025-01-09 04:03:11,616 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:03:11,617 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product47.cil.c that has 10 procedures, 103 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:03:11,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:03:11,695 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;@26080b52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:03:11,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:03:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.3421052631578947) internal successors, (102), 85 states have internal predecessors, (102), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2025-01-09 04:03:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 04:03:11,711 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:11,712 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] [2025-01-09 04:03:11,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:11,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1270234988, now seen corresponding path program 1 times [2025-01-09 04:03:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:11,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348672710] [2025-01-09 04:03:11,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:11,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 04:03:11,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 04:03:11,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:11,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:12,021 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 04:03:12,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:12,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348672710] [2025-01-09 04:03:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348672710] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:12,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:03:12,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359453422] [2025-01-09 04:03:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:12,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:03:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:12,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:03:12,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:03:12,049 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.3421052631578947) internal successors, (102), 85 states have internal predecessors, (102), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:03:12,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:12,096 INFO L93 Difference]: Finished difference Result 185 states and 243 transitions. [2025-01-09 04:03:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:03:12,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-01-09 04:03:12,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:12,108 INFO L225 Difference]: With dead ends: 185 [2025-01-09 04:03:12,109 INFO L226 Difference]: Without dead ends: 86 [2025-01-09 04:03:12,113 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 04:03:12,117 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 16 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 206 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 04:03:12,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2025-01-09 04:03:12,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2025-01-09 04:03:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-09 04:03:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2025-01-09 04:03:12,167 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 32 [2025-01-09 04:03:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:12,167 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2025-01-09 04:03:12,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:03:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2025-01-09 04:03:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-09 04:03:12,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:12,171 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] [2025-01-09 04:03:12,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:03:12,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:12,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:12,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1719294557, now seen corresponding path program 1 times [2025-01-09 04:03:12,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:12,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982766992] [2025-01-09 04:03:12,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:12,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 04:03:12,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 04:03:12,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:12,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:12,325 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 04:03:12,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:12,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982766992] [2025-01-09 04:03:12,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982766992] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:12,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:03:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461103029] [2025-01-09 04:03:12,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:12,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:03:12,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:12,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:03:12,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:03:12,330 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:12,383 INFO L93 Difference]: Finished difference Result 241 states and 314 transitions. [2025-01-09 04:03:12,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:03:12,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-01-09 04:03:12,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:12,390 INFO L225 Difference]: With dead ends: 241 [2025-01-09 04:03:12,390 INFO L226 Difference]: Without dead ends: 163 [2025-01-09 04:03:12,391 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 04:03:12,394 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 86 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:12,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 224 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-01-09 04:03:12,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2025-01-09 04:03:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 132 states have internal predecessors, (156), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 04:03:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2025-01-09 04:03:12,429 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 36 [2025-01-09 04:03:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:12,430 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2025-01-09 04:03:12,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2025-01-09 04:03:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 04:03:12,434 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:12,435 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] [2025-01-09 04:03:12,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:03:12,435 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:12,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:12,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1475467603, now seen corresponding path program 1 times [2025-01-09 04:03:12,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:12,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899680924] [2025-01-09 04:03:12,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:12,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:12,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 04:03:12,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 04:03:12,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:12,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:12,606 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 04:03:12,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:12,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899680924] [2025-01-09 04:03:12,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899680924] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:12,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:12,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:03:12,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414787] [2025-01-09 04:03:12,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:12,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:03:12,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:12,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:03:12,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:03:12,608 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:12,816 INFO L93 Difference]: Finished difference Result 410 states and 541 transitions. [2025-01-09 04:03:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 04:03:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-01-09 04:03:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:12,819 INFO L225 Difference]: With dead ends: 410 [2025-01-09 04:03:12,819 INFO L226 Difference]: Without dead ends: 258 [2025-01-09 04:03:12,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:03:12,824 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 79 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:12,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 458 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:03:12,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-01-09 04:03:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 257. [2025-01-09 04:03:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 190 states have (on average 1.2842105263157895) internal successors, (244), 207 states have internal predecessors, (244), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2025-01-09 04:03:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 324 transitions. [2025-01-09 04:03:12,876 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 324 transitions. Word has length 40 [2025-01-09 04:03:12,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:12,876 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 324 transitions. [2025-01-09 04:03:12,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 324 transitions. [2025-01-09 04:03:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 04:03:12,880 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:12,880 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 04:03:12,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:03:12,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:12,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:12,883 INFO L85 PathProgramCache]: Analyzing trace with hash -799954712, now seen corresponding path program 1 times [2025-01-09 04:03:12,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:12,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083553509] [2025-01-09 04:03:12,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:12,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:12,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 04:03:12,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 04:03:12,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:12,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:13,011 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 04:03:13,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:13,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083553509] [2025-01-09 04:03:13,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083553509] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:13,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:13,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:03:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751680539] [2025-01-09 04:03:13,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:13,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:03:13,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:13,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:03:13,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:03:13,013 INFO L87 Difference]: Start difference. First operand 257 states and 324 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 04:03:13,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:13,042 INFO L93 Difference]: Finished difference Result 512 states and 664 transitions. [2025-01-09 04:03:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:03:13,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 58 [2025-01-09 04:03:13,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:13,044 INFO L225 Difference]: With dead ends: 512 [2025-01-09 04:03:13,044 INFO L226 Difference]: Without dead ends: 263 [2025-01-09 04:03:13,046 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 04:03:13,046 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 422 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 04:03:13,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 422 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:13,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-01-09 04:03:13,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2025-01-09 04:03:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 196 states have (on average 1.2755102040816326) internal successors, (250), 213 states have internal predecessors, (250), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2025-01-09 04:03:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 330 transitions. [2025-01-09 04:03:13,096 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 330 transitions. Word has length 58 [2025-01-09 04:03:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:13,098 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 330 transitions. [2025-01-09 04:03:13,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 04:03:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 330 transitions. [2025-01-09 04:03:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 04:03:13,100 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:13,100 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 04:03:13,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:03:13,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:13,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1123273322, now seen corresponding path program 1 times [2025-01-09 04:03:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019803190] [2025-01-09 04:03:13,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:13,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 04:03:13,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 04:03:13,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:13,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:13,254 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 04:03:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019803190] [2025-01-09 04:03:13,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019803190] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:13,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:13,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:03:13,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090338421] [2025-01-09 04:03:13,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:13,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:03:13,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:13,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:03:13,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:03:13,258 INFO L87 Difference]: Start difference. First operand 263 states and 330 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:13,330 INFO L93 Difference]: Finished difference Result 526 states and 677 transitions. [2025-01-09 04:03:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 04:03:13,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2025-01-09 04:03:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:13,333 INFO L225 Difference]: With dead ends: 526 [2025-01-09 04:03:13,333 INFO L226 Difference]: Without dead ends: 271 [2025-01-09 04:03:13,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 04:03:13,336 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 88 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:13,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 436 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:13,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2025-01-09 04:03:13,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2025-01-09 04:03:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 200 states have (on average 1.27) internal successors, (254), 217 states have internal predecessors, (254), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2025-01-09 04:03:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 334 transitions. [2025-01-09 04:03:13,373 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 334 transitions. Word has length 58 [2025-01-09 04:03:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:13,374 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 334 transitions. [2025-01-09 04:03:13,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2025-01-09 04:03:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 04:03:13,378 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:13,378 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 04:03:13,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:03:13,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:13,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:13,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1785490580, now seen corresponding path program 1 times [2025-01-09 04:03:13,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:13,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355008826] [2025-01-09 04:03:13,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:13,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 04:03:13,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 04:03:13,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:13,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:13,503 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 04:03:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:13,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355008826] [2025-01-09 04:03:13,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355008826] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:13,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:13,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 04:03:13,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986394927] [2025-01-09 04:03:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:13,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 04:03:13,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:13,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 04:03:13,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 04:03:13,508 INFO L87 Difference]: Start difference. First operand 267 states and 334 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:13,681 INFO L93 Difference]: Finished difference Result 856 states and 1106 transitions. [2025-01-09 04:03:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 04:03:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2025-01-09 04:03:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:13,692 INFO L225 Difference]: With dead ends: 856 [2025-01-09 04:03:13,692 INFO L226 Difference]: Without dead ends: 597 [2025-01-09 04:03:13,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 04:03:13,695 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 136 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:13,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 345 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:03:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-01-09 04:03:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 585. [2025-01-09 04:03:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 436 states have (on average 1.25) internal successors, (545), 467 states have internal predecessors, (545), 80 states have call successors, (80), 66 states have call predecessors, (80), 68 states have return successors, (116), 76 states have call predecessors, (116), 80 states have call successors, (116) [2025-01-09 04:03:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 741 transitions. [2025-01-09 04:03:13,761 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 741 transitions. Word has length 58 [2025-01-09 04:03:13,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:13,761 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 741 transitions. [2025-01-09 04:03:13,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 741 transitions. [2025-01-09 04:03:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-09 04:03:13,763 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:13,763 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 04:03:13,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:03:13,764 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:13,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1227795026, now seen corresponding path program 1 times [2025-01-09 04:03:13,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:13,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510392333] [2025-01-09 04:03:13,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:13,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:13,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 04:03:13,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 04:03:13,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:13,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:13,981 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 04:03:13,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:13,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510392333] [2025-01-09 04:03:13,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510392333] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:13,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:13,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 04:03:13,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839484806] [2025-01-09 04:03:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:13,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 04:03:13,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:13,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 04:03:13,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:03:13,983 INFO L87 Difference]: Start difference. First operand 585 states and 741 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-09 04:03:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:14,574 INFO L93 Difference]: Finished difference Result 1735 states and 2279 transitions. [2025-01-09 04:03:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 04:03:14,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2025-01-09 04:03:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:14,586 INFO L225 Difference]: With dead ends: 1735 [2025-01-09 04:03:14,587 INFO L226 Difference]: Without dead ends: 1259 [2025-01-09 04:03:14,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-01-09 04:03:14,590 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 296 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:14,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 621 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 04:03:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2025-01-09 04:03:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1136. [2025-01-09 04:03:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 845 states have (on average 1.2284023668639052) internal successors, (1038), 907 states have internal predecessors, (1038), 153 states have call successors, (153), 117 states have call predecessors, (153), 137 states have return successors, (237), 150 states have call predecessors, (237), 153 states have call successors, (237) [2025-01-09 04:03:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1428 transitions. [2025-01-09 04:03:14,704 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1428 transitions. Word has length 62 [2025-01-09 04:03:14,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:14,705 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1428 transitions. [2025-01-09 04:03:14,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-09 04:03:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1428 transitions. [2025-01-09 04:03:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-09 04:03:14,707 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:14,708 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:14,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:03:14,708 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:14,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1596216830, now seen corresponding path program 1 times [2025-01-09 04:03:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:14,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894920415] [2025-01-09 04:03:14,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:14,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-09 04:03:14,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-09 04:03:14,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:14,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-09 04:03:14,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:14,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894920415] [2025-01-09 04:03:14,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894920415] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:14,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:14,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 04:03:14,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933757875] [2025-01-09 04:03:14,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:14,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 04:03:14,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:14,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 04:03:14,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 04:03:14,788 INFO L87 Difference]: Start difference. First operand 1136 states and 1428 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-09 04:03:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:14,925 INFO L93 Difference]: Finished difference Result 1334 states and 1675 transitions. [2025-01-09 04:03:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 04:03:14,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2025-01-09 04:03:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:14,930 INFO L225 Difference]: With dead ends: 1334 [2025-01-09 04:03:14,931 INFO L226 Difference]: Without dead ends: 557 [2025-01-09 04:03:14,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 04:03:14,934 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 141 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:14,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 265 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:03:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-01-09 04:03:14,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2025-01-09 04:03:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 415 states have (on average 1.1927710843373494) internal successors, (495), 443 states have internal predecessors, (495), 73 states have call successors, (73), 58 states have call predecessors, (73), 68 states have return successors, (115), 73 states have call predecessors, (115), 73 states have call successors, (115) [2025-01-09 04:03:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 683 transitions. [2025-01-09 04:03:15,000 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 683 transitions. Word has length 91 [2025-01-09 04:03:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:15,000 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 683 transitions. [2025-01-09 04:03:15,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-09 04:03:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 683 transitions. [2025-01-09 04:03:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-09 04:03:15,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:15,003 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:15,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:03:15,003 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:15,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:15,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1291840820, now seen corresponding path program 1 times [2025-01-09 04:03:15,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:15,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564026449] [2025-01-09 04:03:15,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:15,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:15,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-09 04:03:15,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-09 04:03:15,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:15,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-09 04:03:15,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:15,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564026449] [2025-01-09 04:03:15,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564026449] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:15,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702514786] [2025-01-09 04:03:15,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:15,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:15,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:15,237 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 04:03:15,239 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 04:03:15,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-09 04:03:15,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-09 04:03:15,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:15,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:15,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 04:03:15,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:03:15,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-09 04:03:15,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702514786] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:15,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:15,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15 [2025-01-09 04:03:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010841452] [2025-01-09 04:03:15,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:15,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-09 04:03:15,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:15,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-09 04:03:15,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-01-09 04:03:15,830 INFO L87 Difference]: Start difference. First operand 557 states and 683 transitions. Second operand has 15 states, 15 states have (on average 9.4) internal successors, (141), 13 states have internal predecessors, (141), 7 states have call successors, (24), 4 states have call predecessors, (24), 8 states have return successors, (22), 9 states have call predecessors, (22), 7 states have call successors, (22) [2025-01-09 04:03:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:16,361 INFO L93 Difference]: Finished difference Result 1258 states and 1608 transitions. [2025-01-09 04:03:16,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-09 04:03:16,362 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 13 states have internal predecessors, (141), 7 states have call successors, (24), 4 states have call predecessors, (24), 8 states have return successors, (22), 9 states have call predecessors, (22), 7 states have call successors, (22) Word has length 104 [2025-01-09 04:03:16,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:16,368 INFO L225 Difference]: With dead ends: 1258 [2025-01-09 04:03:16,368 INFO L226 Difference]: Without dead ends: 756 [2025-01-09 04:03:16,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 205 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2025-01-09 04:03:16,372 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 272 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:16,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1120 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 04:03:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2025-01-09 04:03:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 660. [2025-01-09 04:03:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 487 states have (on average 1.1848049281314168) internal successors, (577), 524 states have internal predecessors, (577), 88 states have call successors, (88), 76 states have call predecessors, (88), 84 states have return successors, (124), 86 states have call predecessors, (124), 88 states have call successors, (124) [2025-01-09 04:03:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 789 transitions. [2025-01-09 04:03:16,437 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 789 transitions. Word has length 104 [2025-01-09 04:03:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:16,438 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 789 transitions. [2025-01-09 04:03:16,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 13 states have internal predecessors, (141), 7 states have call successors, (24), 4 states have call predecessors, (24), 8 states have return successors, (22), 9 states have call predecessors, (22), 7 states have call successors, (22) [2025-01-09 04:03:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 789 transitions. [2025-01-09 04:03:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-01-09 04:03:16,441 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:16,442 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:16,450 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 04:03:16,646 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 04:03:16,646 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:16,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1265721684, now seen corresponding path program 1 times [2025-01-09 04:03:16,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:16,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647409636] [2025-01-09 04:03:16,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:16,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:16,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-09 04:03:16,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-09 04:03:16,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:16,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 86 proven. 31 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2025-01-09 04:03:16,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:16,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647409636] [2025-01-09 04:03:16,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647409636] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160808952] [2025-01-09 04:03:16,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:16,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:16,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:16,949 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 04:03:16,952 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 04:03:17,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-09 04:03:17,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-09 04:03:17,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:17,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:17,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 04:03:17,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-09 04:03:17,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 73 proven. 38 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-01-09 04:03:17,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160808952] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:17,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:17,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2025-01-09 04:03:17,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278364116] [2025-01-09 04:03:17,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:17,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-09 04:03:17,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:17,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-09 04:03:17,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2025-01-09 04:03:17,941 INFO L87 Difference]: Start difference. First operand 660 states and 789 transitions. Second operand has 25 states, 25 states have (on average 8.36) internal successors, (209), 22 states have internal predecessors, (209), 10 states have call successors, (34), 5 states have call predecessors, (34), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) [2025-01-09 04:03:19,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:19,895 INFO L93 Difference]: Finished difference Result 1911 states and 2406 transitions. [2025-01-09 04:03:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-09 04:03:19,896 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.36) internal successors, (209), 22 states have internal predecessors, (209), 10 states have call successors, (34), 5 states have call predecessors, (34), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) Word has length 187 [2025-01-09 04:03:19,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:19,903 INFO L225 Difference]: With dead ends: 1911 [2025-01-09 04:03:19,904 INFO L226 Difference]: Without dead ends: 1229 [2025-01-09 04:03:19,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 368 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=758, Invalid=3664, Unknown=0, NotChecked=0, Total=4422 [2025-01-09 04:03:19,910 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 540 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:19,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1150 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-09 04:03:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2025-01-09 04:03:19,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1132. [2025-01-09 04:03:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 847 states have (on average 1.1168831168831168) internal successors, (946), 886 states have internal predecessors, (946), 154 states have call successors, (154), 137 states have call predecessors, (154), 130 states have return successors, (178), 132 states have call predecessors, (178), 154 states have call successors, (178) [2025-01-09 04:03:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1278 transitions. [2025-01-09 04:03:19,997 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1278 transitions. Word has length 187 [2025-01-09 04:03:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:19,998 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1278 transitions. [2025-01-09 04:03:19,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.36) internal successors, (209), 22 states have internal predecessors, (209), 10 states have call successors, (34), 5 states have call predecessors, (34), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) [2025-01-09 04:03:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1278 transitions. [2025-01-09 04:03:20,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-01-09 04:03:20,005 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:20,005 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 04:03:20,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 04:03:20,205 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 04:03:20,206 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:20,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:20,207 INFO L85 PathProgramCache]: Analyzing trace with hash 937796110, now seen corresponding path program 1 times [2025-01-09 04:03:20,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:20,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41067049] [2025-01-09 04:03:20,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:20,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-01-09 04:03:20,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-01-09 04:03:20,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:20,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 85 proven. 64 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2025-01-09 04:03:20,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:20,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41067049] [2025-01-09 04:03:20,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41067049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:20,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546937359] [2025-01-09 04:03:20,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:20,523 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 04:03:20,526 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 04:03:20,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-01-09 04:03:20,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-01-09 04:03:20,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:20,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:20,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 04:03:20,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-01-09 04:03:20,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:21,273 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 94 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-09 04:03:21,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546937359] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:21,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:21,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 23 [2025-01-09 04:03:21,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064529361] [2025-01-09 04:03:21,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:21,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-09 04:03:21,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:21,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-09 04:03:21,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2025-01-09 04:03:21,276 INFO L87 Difference]: Start difference. First operand 1132 states and 1278 transitions. Second operand has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 20 states have internal predecessors, (237), 9 states have call successors, (44), 5 states have call predecessors, (44), 14 states have return successors, (44), 12 states have call predecessors, (44), 9 states have call successors, (44) [2025-01-09 04:03:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:22,082 INFO L93 Difference]: Finished difference Result 2215 states and 2520 transitions. [2025-01-09 04:03:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-09 04:03:22,083 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 20 states have internal predecessors, (237), 9 states have call successors, (44), 5 states have call predecessors, (44), 14 states have return successors, (44), 12 states have call predecessors, (44), 9 states have call successors, (44) Word has length 211 [2025-01-09 04:03:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:22,090 INFO L225 Difference]: With dead ends: 2215 [2025-01-09 04:03:22,090 INFO L226 Difference]: Without dead ends: 1185 [2025-01-09 04:03:22,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=1107, Unknown=0, NotChecked=0, Total=1406 [2025-01-09 04:03:22,094 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 453 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:22,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 939 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 04:03:22,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2025-01-09 04:03:22,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1123. [2025-01-09 04:03:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 843 states have (on average 1.1091340450771057) internal successors, (935), 879 states have internal predecessors, (935), 145 states have call successors, (145), 138 states have call predecessors, (145), 134 states have return successors, (169), 129 states have call predecessors, (169), 145 states have call successors, (169) [2025-01-09 04:03:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1249 transitions. [2025-01-09 04:03:22,193 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1249 transitions. Word has length 211 [2025-01-09 04:03:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:22,193 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1249 transitions. [2025-01-09 04:03:22,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 20 states have internal predecessors, (237), 9 states have call successors, (44), 5 states have call predecessors, (44), 14 states have return successors, (44), 12 states have call predecessors, (44), 9 states have call successors, (44) [2025-01-09 04:03:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1249 transitions. [2025-01-09 04:03:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-01-09 04:03:22,198 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:22,198 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 04:03:22,216 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 04:03:22,399 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 04:03:22,399 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:22,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash 808512065, now seen corresponding path program 1 times [2025-01-09 04:03:22,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:22,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829140681] [2025-01-09 04:03:22,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:22,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:22,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-01-09 04:03:22,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-01-09 04:03:22,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:22,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 90 proven. 56 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-01-09 04:03:22,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829140681] [2025-01-09 04:03:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829140681] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:22,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789933219] [2025-01-09 04:03:22,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:22,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:22,995 INFO L229 MonitoredProcess]: Starting monitored process 5 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 04:03:22,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 04:03:23,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-01-09 04:03:23,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-01-09 04:03:23,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:23,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:23,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 04:03:23,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 134 proven. 25 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-01-09 04:03:23,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 95 proven. 44 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-09 04:03:23,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789933219] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:23,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:23,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2025-01-09 04:03:23,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070241056] [2025-01-09 04:03:23,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:23,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-09 04:03:23,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:23,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-09 04:03:23,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-01-09 04:03:23,999 INFO L87 Difference]: Start difference. First operand 1123 states and 1249 transitions. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 20 states have internal predecessors, (238), 15 states have call successors, (47), 8 states have call predecessors, (47), 14 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) [2025-01-09 04:03:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:24,859 INFO L93 Difference]: Finished difference Result 2165 states and 2451 transitions. [2025-01-09 04:03:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-09 04:03:24,859 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 20 states have internal predecessors, (238), 15 states have call successors, (47), 8 states have call predecessors, (47), 14 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) Word has length 212 [2025-01-09 04:03:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:24,868 INFO L225 Difference]: With dead ends: 2165 [2025-01-09 04:03:24,868 INFO L226 Difference]: Without dead ends: 1531 [2025-01-09 04:03:24,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 418 SyntacticMatches, 8 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=943, Unknown=0, NotChecked=0, Total=1332 [2025-01-09 04:03:24,872 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 558 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:24,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 686 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 04:03:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2025-01-09 04:03:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1395. [2025-01-09 04:03:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1047 states have (on average 1.1021967526265521) internal successors, (1154), 1085 states have internal predecessors, (1154), 183 states have call successors, (183), 174 states have call predecessors, (183), 164 states have return successors, (200), 163 states have call predecessors, (200), 183 states have call successors, (200) [2025-01-09 04:03:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1537 transitions. [2025-01-09 04:03:25,008 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1537 transitions. Word has length 212 [2025-01-09 04:03:25,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:25,009 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 1537 transitions. [2025-01-09 04:03:25,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 20 states have internal predecessors, (238), 15 states have call successors, (47), 8 states have call predecessors, (47), 14 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) [2025-01-09 04:03:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1537 transitions. [2025-01-09 04:03:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-01-09 04:03:25,015 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:25,015 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:25,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 04:03:25,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-09 04:03:25,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:25,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:25,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1518423513, now seen corresponding path program 1 times [2025-01-09 04:03:25,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:25,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069748153] [2025-01-09 04:03:25,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:25,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-09 04:03:25,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-09 04:03:25,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:25,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 89 proven. 129 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-01-09 04:03:26,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069748153] [2025-01-09 04:03:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069748153] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178240220] [2025-01-09 04:03:26,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:26,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:26,093 INFO L229 MonitoredProcess]: Starting monitored process 6 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 04:03:26,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 04:03:26,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-09 04:03:26,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-09 04:03:26,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:26,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:26,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 04:03:26,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 150 proven. 91 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-09 04:03:26,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 91 proven. 135 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-01-09 04:03:27,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178240220] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:27,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:27,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 16] total 29 [2025-01-09 04:03:27,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051217997] [2025-01-09 04:03:27,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:27,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-09 04:03:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:27,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-09 04:03:27,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2025-01-09 04:03:27,498 INFO L87 Difference]: Start difference. First operand 1395 states and 1537 transitions. Second operand has 29 states, 29 states have (on average 10.482758620689655) internal successors, (304), 28 states have internal predecessors, (304), 18 states have call successors, (64), 10 states have call predecessors, (64), 20 states have return successors, (67), 18 states have call predecessors, (67), 18 states have call successors, (67) [2025-01-09 04:03:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:28,673 INFO L93 Difference]: Finished difference Result 2262 states and 2508 transitions. [2025-01-09 04:03:28,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-09 04:03:28,675 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.482758620689655) internal successors, (304), 28 states have internal predecessors, (304), 18 states have call successors, (64), 10 states have call predecessors, (64), 20 states have return successors, (67), 18 states have call predecessors, (67), 18 states have call successors, (67) Word has length 261 [2025-01-09 04:03:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:28,678 INFO L225 Difference]: With dead ends: 2262 [2025-01-09 04:03:28,678 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:03:28,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 512 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=450, Invalid=1620, Unknown=0, NotChecked=0, Total=2070 [2025-01-09 04:03:28,684 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 687 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:28,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 1323 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-09 04:03:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:03:28,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:03:28,685 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 04:03:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:03:28,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 261 [2025-01-09 04:03:28,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:28,687 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:03:28,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.482758620689655) internal successors, (304), 28 states have internal predecessors, (304), 18 states have call successors, (64), 10 states have call predecessors, (64), 20 states have return successors, (67), 18 states have call predecessors, (67), 18 states have call successors, (67) [2025-01-09 04:03:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:03:28,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:03:28,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:03:28,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 04:03:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-09 04:03:28,898 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:28,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:03:41,195 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:03:41,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:03:41 BoogieIcfgContainer [2025-01-09 04:03:41,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:03:41,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:03:41,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:03:41,208 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:03:41,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:11" (3/4) ... [2025-01-09 04:03:41,214 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:03:41,219 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-01-09 04:03:41,220 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-01-09 04:03:41,227 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 04:03:41,227 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:03:41,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:03:41,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:03:41,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:03:41,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:03:41,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:03:41,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:03:41,324 INFO L158 Benchmark]: Toolchain (without parser) took 30723.73ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 106.1MB in the beginning and 191.7MB in the end (delta: -85.7MB). Peak memory consumption was 241.1MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,324 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:03:41,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.59ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:03:41,324 INFO L158 Benchmark]: Boogie Preprocessor took 55.04ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,325 INFO L158 Benchmark]: RCFGBuilder took 457.29ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 64.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,325 INFO L158 Benchmark]: TraceAbstraction took 29616.18ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 64.8MB in the beginning and 199.8MB in the end (delta: -135.0MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,326 INFO L158 Benchmark]: Witness Printer took 113.97ms. Allocated memory is still 469.8MB. Free memory was 199.8MB in the beginning and 191.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:03:41,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.59ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.04ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 457.29ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 64.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29616.18ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 64.8MB in the beginning and 199.8MB in the end (delta: -135.0MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. * Witness Printer took 113.97ms. Allocated memory is still 469.8MB. Free memory was 199.8MB in the beginning and 191.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.2s, OverallIterations: 13, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3375 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3352 mSDsluCounter, 8195 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6464 mSDsCounter, 1124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6223 IncrementalHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1124 mSolverCounterUnsat, 1731 mSDtfsCounter, 6223 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2209 GetRequests, 1944 SyntacticMatches, 26 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2127 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1395occurred in iteration=12, InterpolantAutomatonStates: 167, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 534 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3337 ConstructedInterpolants, 0 QuantifiedInterpolants, 7896 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 23 InterpolantComputations, 8 PerfectInterpolantSequences, 2895/3608 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: 297]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 0)) || (((((2 == waterLevel) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1))) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (pumpRunning == 1))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && (pumpRunning == 1))) - InvariantResult [Line: 345]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 04:03:41,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE