/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:44,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:44,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:01:44,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:44,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:44,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:44,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:44,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:44,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:44,326 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:44,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:44,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:44,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:44,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:44,328 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:44,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:44,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:44,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:44,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:44,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:44,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:44,331 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:44,332 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:44,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:44,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:44,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:44,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:44,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:44,334 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:44,334 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:44,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:44,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:44,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:44,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:44,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:44,349 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:44,349 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:44,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:44,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:44,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:44,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:44,739 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:44,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2023-12-25 06:01:46,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:46,643 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:46,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2023-12-25 06:01:46,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3aa3284/db91724d905240f682fe2ecc0e0fc5d1/FLAGfb32746f6 [2023-12-25 06:01:46,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3aa3284/db91724d905240f682fe2ecc0e0fc5d1 [2023-12-25 06:01:46,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:46,705 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:46,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:46,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:46,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:46,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:46" (1/1) ... [2023-12-25 06:01:46,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680c3516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:46, skipping insertion in model container [2023-12-25 06:01:46,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:46" (1/1) ... [2023-12-25 06:01:46,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:47,024 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c[5087,5100] [2023-12-25 06:01:47,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:47,178 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:01:47,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:47,209 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c[5087,5100] [2023-12-25 06:01:47,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:47,249 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:01:47,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-25 06:01:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] [2023-12-25 06:01:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [254] [2023-12-25 06:01:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [295] [2023-12-25 06:01:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] [2023-12-25 06:01:47,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [372] [2023-12-25 06:01:47,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [567] [2023-12-25 06:01:47,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [602] [2023-12-25 06:01:47,277 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c[5087,5100] [2023-12-25 06:01:47,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:47,326 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:01:47,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47 WrapperNode [2023-12-25 06:01:47,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:47,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:47,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:01:47,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:01:47,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,382 INFO L138 Inliner]: procedures = 57, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 186 [2023-12-25 06:01:47,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:47,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:01:47,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:01:47,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:01:47,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,450 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]. [2023-12-25 06:01:47,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:01:47,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:01:47,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:01:47,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:01:47,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (1/1) ... [2023-12-25 06:01:47,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:47,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:01:47,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:01:47,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:01:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:01:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:01:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:01:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:01:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:01:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:01:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:01:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:01:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:01:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:01:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:01:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:01:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:01:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:01:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:01:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:01:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:01:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:01:47,651 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:01:47,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:01:47,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:01:48,011 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:01:48,011 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:01:48,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:48 BoogieIcfgContainer [2023-12-25 06:01:48,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:01:48,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:01:48,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:01:48,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:01:48,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:46" (1/3) ... [2023-12-25 06:01:48,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff8817f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:48, skipping insertion in model container [2023-12-25 06:01:48,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:47" (2/3) ... [2023-12-25 06:01:48,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff8817f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:48, skipping insertion in model container [2023-12-25 06:01:48,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:48" (3/3) ... [2023-12-25 06:01:48,018 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2023-12-25 06:01:48,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:01:48,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:01:48,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:01:48,124 INFO L357 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, mHoare=true, 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;@107fdb89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:01:48,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:01:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:01:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:01:48,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:48,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:48,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:48,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:48,168 INFO L85 PathProgramCache]: Analyzing trace with hash 719227840, now seen corresponding path program 1 times [2023-12-25 06:01:48,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:48,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635538761] [2023-12-25 06:01:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:48,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:48,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:01:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:48,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:01:48,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:48,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:48,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635538761] [2023-12-25 06:01:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635538761] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:48,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:48,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:48,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589914908] [2023-12-25 06:01:48,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:48,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:01:48,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:48,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:01:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:48,440 INFO L87 Difference]: Start difference. First operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:48,536 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-25 06:01:48,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:01:48,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:01:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:48,559 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:01:48,560 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:01:48,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:48,571 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:48,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:48,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:01:48,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:01:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:01:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-25 06:01:48,678 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 17 [2023-12-25 06:01:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:48,679 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-25 06:01:48,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-25 06:01:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:01:48,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:48,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:48,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-25 06:01:48,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:48,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:48,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1157705312, now seen corresponding path program 1 times [2023-12-25 06:01:48,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:48,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83519661] [2023-12-25 06:01:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:48,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:48,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:48,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:01:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:48,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:48,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:48,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:48,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83519661] [2023-12-25 06:01:48,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83519661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:48,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:48,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:48,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014403923] [2023-12-25 06:01:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:48,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:48,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:48,995 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:49,053 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-25 06:01:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:49,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:01:49,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:49,056 INFO L225 Difference]: With dead ends: 108 [2023-12-25 06:01:49,057 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:01:49,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:49,059 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 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 [2023-12-25 06:01:49,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:01:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:01:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:01:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-25 06:01:49,079 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 18 [2023-12-25 06:01:49,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:49,079 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-25 06:01:49,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-25 06:01:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:01:49,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:49,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:49,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-25 06:01:49,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:49,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:49,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:49,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1235089648, now seen corresponding path program 1 times [2023-12-25 06:01:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:49,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562337042] [2023-12-25 06:01:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:49,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:49,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:49,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:01:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:49,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:49,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:49,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:49,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:49,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562337042] [2023-12-25 06:01:49,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562337042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:49,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:49,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609671595] [2023-12-25 06:01:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:49,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:49,380 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:49,426 INFO L93 Difference]: Finished difference Result 179 states and 246 transitions. [2023-12-25 06:01:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:49,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:01:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:49,428 INFO L225 Difference]: With dead ends: 179 [2023-12-25 06:01:49,428 INFO L226 Difference]: Without dead ends: 120 [2023-12-25 06:01:49,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:49,429 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 70 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:49,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 153 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-25 06:01:49,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-25 06:01:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 80 states have (on average 1.4625) internal successors, (117), 95 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-25 06:01:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-12-25 06:01:49,445 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 21 [2023-12-25 06:01:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:49,446 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-12-25 06:01:49,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-12-25 06:01:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:01:49,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:49,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:49,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:49,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:49,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:49,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:49,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1367970363, now seen corresponding path program 1 times [2023-12-25 06:01:49,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:49,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713929471] [2023-12-25 06:01:49,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:49,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:49,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:49,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:49,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:01:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:49,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:49,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:49,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:49,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:49,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713929471] [2023-12-25 06:01:49,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713929471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:49,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:49,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:49,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856798292] [2023-12-25 06:01:49,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:49,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:49,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:49,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:49,794 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:49,913 INFO L93 Difference]: Finished difference Result 343 states and 478 transitions. [2023-12-25 06:01:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:01:49,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-12-25 06:01:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:49,915 INFO L225 Difference]: With dead ends: 343 [2023-12-25 06:01:49,915 INFO L226 Difference]: Without dead ends: 228 [2023-12-25 06:01:49,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:49,916 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 56 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:49,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 329 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:49,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-25 06:01:49,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2023-12-25 06:01:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 182 states have internal predecessors, (219), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2023-12-25 06:01:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 309 transitions. [2023-12-25 06:01:49,937 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 309 transitions. Word has length 24 [2023-12-25 06:01:49,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:49,938 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 309 transitions. [2023-12-25 06:01:49,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 309 transitions. [2023-12-25 06:01:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:01:49,939 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:49,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:49,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:50,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:50,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1586594569, now seen corresponding path program 1 times [2023-12-25 06:01:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:50,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641389034] [2023-12-25 06:01:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:50,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:50,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:01:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:50,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:50,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:50,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:50,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:50,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641389034] [2023-12-25 06:01:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641389034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:50,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:50,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:50,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307677693] [2023-12-25 06:01:50,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:50,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:50,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:50,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:50,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:50,253 INFO L87 Difference]: Start difference. First operand 226 states and 309 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:50,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:50,340 INFO L93 Difference]: Finished difference Result 600 states and 832 transitions. [2023-12-25 06:01:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:01:50,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-25 06:01:50,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:50,346 INFO L225 Difference]: With dead ends: 600 [2023-12-25 06:01:50,347 INFO L226 Difference]: Without dead ends: 376 [2023-12-25 06:01:50,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:01:50,351 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 38 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:50,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 193 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:50,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-25 06:01:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2023-12-25 06:01:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 257 states have (on average 1.3579766536964981) internal successors, (349), 286 states have internal predecessors, (349), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:01:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 489 transitions. [2023-12-25 06:01:50,378 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 489 transitions. Word has length 28 [2023-12-25 06:01:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:50,378 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 489 transitions. [2023-12-25 06:01:50,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 489 transitions. [2023-12-25 06:01:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-25 06:01:50,380 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:50,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:50,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:50,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:50,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:50,583 INFO L85 PathProgramCache]: Analyzing trace with hash 569387684, now seen corresponding path program 1 times [2023-12-25 06:01:50,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:50,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900535322] [2023-12-25 06:01:50,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:50,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:50,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:01:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:50,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:50,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:50,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:50,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:50,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900535322] [2023-12-25 06:01:50,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900535322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:50,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:50,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:50,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346206530] [2023-12-25 06:01:50,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:50,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:50,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:50,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:50,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:50,643 INFO L87 Difference]: Start difference. First operand 370 states and 489 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:50,685 INFO L93 Difference]: Finished difference Result 746 states and 1004 transitions. [2023-12-25 06:01:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:50,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-25 06:01:50,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:50,688 INFO L225 Difference]: With dead ends: 746 [2023-12-25 06:01:50,688 INFO L226 Difference]: Without dead ends: 378 [2023-12-25 06:01:50,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:50,690 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:50,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 216 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-25 06:01:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2023-12-25 06:01:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 265 states have (on average 1.3471698113207546) internal successors, (357), 294 states have internal predecessors, (357), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:01:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 497 transitions. [2023-12-25 06:01:50,710 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 497 transitions. Word has length 37 [2023-12-25 06:01:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:50,710 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 497 transitions. [2023-12-25 06:01:50,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 497 transitions. [2023-12-25 06:01:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-25 06:01:50,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:50,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:50,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:50,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,924 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:50,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash -710475994, now seen corresponding path program 1 times [2023-12-25 06:01:50,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:50,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343002705] [2023-12-25 06:01:50,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:50,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:50,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:50,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:01:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:50,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:50,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:50,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:50,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:50,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343002705] [2023-12-25 06:01:50,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343002705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:50,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:50,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:50,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971595055] [2023-12-25 06:01:50,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:50,996 INFO L87 Difference]: Start difference. First operand 378 states and 497 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:51,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:51,114 INFO L93 Difference]: Finished difference Result 782 states and 1064 transitions. [2023-12-25 06:01:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:51,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-25 06:01:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:51,117 INFO L225 Difference]: With dead ends: 782 [2023-12-25 06:01:51,117 INFO L226 Difference]: Without dead ends: 406 [2023-12-25 06:01:51,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:01:51,119 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 6 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:51,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 214 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:51,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-12-25 06:01:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 386. [2023-12-25 06:01:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 273 states have (on average 1.336996336996337) internal successors, (365), 302 states have internal predecessors, (365), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:01:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 505 transitions. [2023-12-25 06:01:51,173 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 505 transitions. Word has length 37 [2023-12-25 06:01:51,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:51,173 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 505 transitions. [2023-12-25 06:01:51,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 505 transitions. [2023-12-25 06:01:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-25 06:01:51,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:51,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:51,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:51,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:51,377 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:51,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1996143400, now seen corresponding path program 1 times [2023-12-25 06:01:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:51,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262021323] [2023-12-25 06:01:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:51,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:51,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:51,389 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:51,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:01:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:51,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:51,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:51,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:51,528 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:51,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262021323] [2023-12-25 06:01:51,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262021323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:51,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849152939] [2023-12-25 06:01:51,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:51,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:51,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:51,529 INFO L87 Difference]: Start difference. First operand 386 states and 505 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:51,621 INFO L93 Difference]: Finished difference Result 936 states and 1230 transitions. [2023-12-25 06:01:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-25 06:01:51,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:51,624 INFO L225 Difference]: With dead ends: 936 [2023-12-25 06:01:51,624 INFO L226 Difference]: Without dead ends: 552 [2023-12-25 06:01:51,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:51,633 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 31 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:51,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 136 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:51,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-25 06:01:51,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2023-12-25 06:01:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 395 states have (on average 1.2886075949367088) internal successors, (509), 428 states have internal predecessors, (509), 84 states have call successors, (84), 76 states have call predecessors, (84), 72 states have return successors, (106), 74 states have call predecessors, (106), 84 states have call successors, (106) [2023-12-25 06:01:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 699 transitions. [2023-12-25 06:01:51,725 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 699 transitions. Word has length 37 [2023-12-25 06:01:51,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:51,726 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 699 transitions. [2023-12-25 06:01:51,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:01:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 699 transitions. [2023-12-25 06:01:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-25 06:01:51,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:51,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:51,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:51,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:51,942 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:51,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash -69095486, now seen corresponding path program 1 times [2023-12-25 06:01:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:51,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700551140] [2023-12-25 06:01:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:51,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:51,957 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:51,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:01:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:52,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:52,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:52,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:52,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:52,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700551140] [2023-12-25 06:01:52,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700551140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:52,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:52,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:52,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108703702] [2023-12-25 06:01:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:52,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:52,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:52,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:52,167 INFO L87 Difference]: Start difference. First operand 552 states and 699 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:01:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:52,284 INFO L93 Difference]: Finished difference Result 832 states and 1075 transitions. [2023-12-25 06:01:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:52,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-12-25 06:01:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:52,303 INFO L225 Difference]: With dead ends: 832 [2023-12-25 06:01:52,303 INFO L226 Difference]: Without dead ends: 830 [2023-12-25 06:01:52,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:52,306 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 40 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:52,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 149 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2023-12-25 06:01:52,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 695. [2023-12-25 06:01:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 495 states have (on average 1.303030303030303) internal successors, (645), 542 states have internal predecessors, (645), 107 states have call successors, (107), 95 states have call predecessors, (107), 92 states have return successors, (145), 91 states have call predecessors, (145), 107 states have call successors, (145) [2023-12-25 06:01:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 897 transitions. [2023-12-25 06:01:52,389 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 897 transitions. Word has length 41 [2023-12-25 06:01:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:52,389 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 897 transitions. [2023-12-25 06:01:52,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:01:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 897 transitions. [2023-12-25 06:01:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-25 06:01:52,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:52,407 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:01:52,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:52,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:52,624 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:52,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash 742152626, now seen corresponding path program 1 times [2023-12-25 06:01:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:52,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530093802] [2023-12-25 06:01:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:52,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:52,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:52,627 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:52,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:01:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:52,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:52,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:52,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:52,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:52,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530093802] [2023-12-25 06:01:52,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530093802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:52,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:52,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:52,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727306929] [2023-12-25 06:01:52,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:52,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:52,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:52,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:52,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:52,717 INFO L87 Difference]: Start difference. First operand 695 states and 897 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:01:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:52,790 INFO L93 Difference]: Finished difference Result 1163 states and 1522 transitions. [2023-12-25 06:01:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:52,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2023-12-25 06:01:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:52,793 INFO L225 Difference]: With dead ends: 1163 [2023-12-25 06:01:52,793 INFO L226 Difference]: Without dead ends: 810 [2023-12-25 06:01:52,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:52,794 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 46 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:52,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 111 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2023-12-25 06:01:52,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 802. [2023-12-25 06:01:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 572 states have (on average 1.2954545454545454) internal successors, (741), 625 states have internal predecessors, (741), 123 states have call successors, (123), 111 states have call predecessors, (123), 106 states have return successors, (171), 105 states have call predecessors, (171), 123 states have call successors, (171) [2023-12-25 06:01:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1035 transitions. [2023-12-25 06:01:52,837 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1035 transitions. Word has length 66 [2023-12-25 06:01:52,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:52,838 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 1035 transitions. [2023-12-25 06:01:52,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:01:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1035 transitions. [2023-12-25 06:01:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-25 06:01:52,840 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:52,840 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:01:52,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:53,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:53,043 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:53,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash -917688596, now seen corresponding path program 1 times [2023-12-25 06:01:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:53,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761077148] [2023-12-25 06:01:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:53,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:53,061 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:53,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:01:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:53,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:53,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:53,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:53,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:53,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761077148] [2023-12-25 06:01:53,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761077148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:53,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:53,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:53,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362474101] [2023-12-25 06:01:53,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:53,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:53,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:53,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:53,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:53,171 INFO L87 Difference]: Start difference. First operand 802 states and 1035 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:01:53,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:53,238 INFO L93 Difference]: Finished difference Result 1365 states and 1806 transitions. [2023-12-25 06:01:53,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:53,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 73 [2023-12-25 06:01:53,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:53,241 INFO L225 Difference]: With dead ends: 1365 [2023-12-25 06:01:53,241 INFO L226 Difference]: Without dead ends: 782 [2023-12-25 06:01:53,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:53,243 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 40 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:53,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 152 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:53,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2023-12-25 06:01:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2023-12-25 06:01:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 556 states have (on average 1.2553956834532374) internal successors, (698), 606 states have internal predecessors, (698), 121 states have call successors, (121), 109 states have call predecessors, (121), 104 states have return successors, (162), 104 states have call predecessors, (162), 121 states have call successors, (162) [2023-12-25 06:01:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 981 transitions. [2023-12-25 06:01:53,285 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 981 transitions. Word has length 73 [2023-12-25 06:01:53,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:53,285 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 981 transitions. [2023-12-25 06:01:53,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:01:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 981 transitions. [2023-12-25 06:01:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 06:01:53,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:53,287 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-25 06:01:53,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-25 06:01:53,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:53,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:53,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1838584802, now seen corresponding path program 1 times [2023-12-25 06:01:53,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:53,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989375497] [2023-12-25 06:01:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:53,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:53,505 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:53,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 06:01:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:53,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:01:53,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:01:53,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:01:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-25 06:01:53,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:53,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989375497] [2023-12-25 06:01:53,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989375497] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:01:53,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:01:53,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2023-12-25 06:01:53,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447699539] [2023-12-25 06:01:53,952 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:01:53,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 06:01:53,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:53,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 06:01:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-25 06:01:53,953 INFO L87 Difference]: Start difference. First operand 782 states and 981 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-25 06:01:54,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:54,614 INFO L93 Difference]: Finished difference Result 2956 states and 3904 transitions. [2023-12-25 06:01:54,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 06:01:54,615 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) Word has length 78 [2023-12-25 06:01:54,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:54,623 INFO L225 Difference]: With dead ends: 2956 [2023-12-25 06:01:54,624 INFO L226 Difference]: Without dead ends: 2393 [2023-12-25 06:01:54,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2023-12-25 06:01:54,627 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 479 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:54,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 337 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:01:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2023-12-25 06:01:54,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2331. [2023-12-25 06:01:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 1648 states have (on average 1.2439320388349515) internal successors, (2050), 1801 states have internal predecessors, (2050), 352 states have call successors, (352), 296 states have call predecessors, (352), 330 states have return successors, (539), 320 states have call predecessors, (539), 352 states have call successors, (539) [2023-12-25 06:01:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 2941 transitions. [2023-12-25 06:01:54,796 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 2941 transitions. Word has length 78 [2023-12-25 06:01:54,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:54,797 INFO L495 AbstractCegarLoop]: Abstraction has 2331 states and 2941 transitions. [2023-12-25 06:01:54,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-25 06:01:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2941 transitions. [2023-12-25 06:01:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 06:01:54,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:54,799 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-25 06:01:54,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-25 06:01:55,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:55,002 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:55,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:55,003 INFO L85 PathProgramCache]: Analyzing trace with hash -84643232, now seen corresponding path program 1 times [2023-12-25 06:01:55,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:55,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553469029] [2023-12-25 06:01:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:55,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:55,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:55,005 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:55,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 06:01:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:55,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:01:55,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:01:55,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:55,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:55,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553469029] [2023-12-25 06:01:55,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553469029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:55,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:55,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:01:55,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976910916] [2023-12-25 06:01:55,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:55,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:55,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:55,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:55,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:55,117 INFO L87 Difference]: Start difference. First operand 2331 states and 2941 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:55,342 INFO L93 Difference]: Finished difference Result 4307 states and 5412 transitions. [2023-12-25 06:01:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:01:55,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2023-12-25 06:01:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:55,349 INFO L225 Difference]: With dead ends: 4307 [2023-12-25 06:01:55,349 INFO L226 Difference]: Without dead ends: 1978 [2023-12-25 06:01:55,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:55,352 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 33 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:55,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 485 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2023-12-25 06:01:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1960. [2023-12-25 06:01:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1398 states have (on average 1.21173104434907) internal successors, (1694), 1514 states have internal predecessors, (1694), 285 states have call successors, (285), 253 states have call predecessors, (285), 276 states have return successors, (396), 263 states have call predecessors, (396), 285 states have call successors, (396) [2023-12-25 06:01:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2375 transitions. [2023-12-25 06:01:55,547 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2375 transitions. Word has length 78 [2023-12-25 06:01:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:55,547 INFO L495 AbstractCegarLoop]: Abstraction has 1960 states and 2375 transitions. [2023-12-25 06:01:55,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2375 transitions. [2023-12-25 06:01:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 06:01:55,549 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:55,549 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:01:55,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:55,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:55,764 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:55,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:55,765 INFO L85 PathProgramCache]: Analyzing trace with hash -583472204, now seen corresponding path program 1 times [2023-12-25 06:01:55,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:55,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145846638] [2023-12-25 06:01:55,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:55,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:55,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 06:01:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:55,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:55,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:01:56,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:56,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145846638] [2023-12-25 06:01:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145846638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:56,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:56,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:56,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217507010] [2023-12-25 06:01:56,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:56,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:56,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:56,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:56,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:56,059 INFO L87 Difference]: Start difference. First operand 1960 states and 2375 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:01:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:56,625 INFO L93 Difference]: Finished difference Result 2299 states and 2811 transitions. [2023-12-25 06:01:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:56,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2023-12-25 06:01:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:56,626 INFO L225 Difference]: With dead ends: 2299 [2023-12-25 06:01:56,627 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:01:56,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:56,643 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 34 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:56,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 159 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:01:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:01:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:01:56,645 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) [2023-12-25 06:01:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:01:56,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2023-12-25 06:01:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:56,645 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:01:56,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:01:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:01:56,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:01:56,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:01:56,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:56,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:56,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:02:05,279 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 469 476) no Hoare annotation was computed. [2023-12-25 06:02:05,280 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 469 476) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (bvsgt ~waterLevel~0 (_ bv0 32)))) (.cse2 (= ~systemActive~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse6 .cse3 .cse7 .cse5))) [2023-12-25 06:02:05,280 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 402 408) no Hoare annotation was computed. [2023-12-25 06:02:05,280 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 402 408) the Hoare annotation is: true [2023-12-25 06:02:05,281 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (let ((.cse9 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse7 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse8 .cse9 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse9 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse7 .cse8 .cse4) (or (not (bvsgt ~waterLevel~0 (_ bv0 32))) .cse0 .cse2 .cse7 .cse8 .cse5))) [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L382-1(lines 381 400) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 452) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 457) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-12-25 06:02:05,281 INFO L895 garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: (let ((.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse11 (and .cse12 .cse13)) (.cse5 (not (= ~systemActive~0 (_ bv1 32)))) (.cse9 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse4 .cse5 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse8 .cse2 .cse3) (or .cse0 .cse8 .cse10 .cse2 .cse3) (or .cse11 .cse5 .cse1 .cse7 .cse3) (or .cse5 .cse0 .cse10 .cse1 .cse3) (or .cse5 (and .cse12 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse13) .cse8 .cse10 .cse7 .cse3) (or .cse5 .cse0 .cse8 .cse10 .cse3) (or .cse11 .cse5 .cse9 .cse8 .cse7 .cse3)))) [2023-12-25 06:02:05,281 INFO L899 garLoopResultBuilder]: For program point L482-1(line 482) no Hoare annotation was computed. [2023-12-25 06:02:05,282 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse22 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (let ((.cse15 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse16 (= ~waterLevel~0 (_ bv1 32))) (.cse20 (and .cse4 .cse22 .cse5 .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse19 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse21 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse13 (not .cse22)) (.cse17 (not (= ~systemActive~0 (_ bv0 32)))) (.cse18 (and .cse5 .cse12)) (.cse2 (not .cse4)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (bvsgt ~waterLevel~0 (_ bv0 32))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse14 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse6 (not .cse3)) (.cse8 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or (and .cse0 .cse1) .cse2 (and .cse3 .cse4 .cse5 .cse1) .cse6 .cse7 .cse8) (or .cse2 .cse9 (and .cse0 .cse10 .cse11 .cse12) (and .cse4 .cse5 .cse12) .cse13 .cse14 .cse8) (or .cse15 .cse2 .cse16 .cse6 .cse7) (or .cse9 .cse6 .cse17 .cse8 .cse18) (or .cse15 .cse2 .cse13 .cse16 .cse7) (or .cse2 .cse10 .cse9 .cse19 .cse14 .cse6) (or .cse10 .cse9 .cse19 .cse14 .cse6 .cse17) (or .cse10 .cse9 .cse19 .cse13 .cse14 .cse17) (or .cse2 (and .cse3 .cse4 .cse5) .cse9 .cse19 .cse14 .cse6) (or .cse2 .cse20 .cse13 .cse14 .cse7 .cse8) (or .cse2 .cse21 .cse20 .cse13 .cse7 .cse8) (or .cse9 .cse13 .cse14 .cse17 .cse8 .cse18) (or .cse2 .cse9 (and .cse10 .cse5) .cse19 .cse13 .cse14) (or .cse21 .cse9 .cse13 .cse17 .cse8 .cse18) (or .cse2 (and .cse0 .cse11 .cse12) (and .cse3 .cse4 .cse5 .cse12) .cse9 .cse14 .cse6 .cse8)))) [2023-12-25 06:02:05,282 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-12-25 06:02:05,282 INFO L895 garLoopResultBuilder]: At program point L450(line 450) the Hoare annotation is: (let ((.cse1 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse6 .cse3) (or .cse1 .cse5 .cse2 .cse7 .cse4) (or .cse5 .cse2 .cse8 .cse7 .cse4) (or (and (= (_ bv1 32) ~pumpRunning~0) (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) .cse0 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse8 .cse4) (or .cse0 .cse2 .cse8 .cse3 .cse4))) [2023-12-25 06:02:05,282 INFO L895 garLoopResultBuilder]: At program point L446(line 446) the Hoare annotation is: (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= |timeShift_processEnvironment_~tmp~4#1| (_ bv1 32))) (.cse12 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv1 32)))) (.cse9 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse4 .cse5 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse8 .cse2 .cse3) (or .cse0 .cse8 .cse10 .cse2 .cse3) (or (and .cse11 .cse12) .cse5 .cse1 .cse7 .cse3) (or .cse5 .cse0 .cse10 .cse1 .cse3) (or .cse5 .cse0 .cse8 .cse10 .cse3) (or .cse5 (and .cse11 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse13 .cse12) .cse8 .cse10 .cse7 .cse3) (or (and .cse11 .cse13 .cse12) .cse5 .cse9 .cse8 .cse7 .cse3))) [2023-12-25 06:02:05,283 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 378 401) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse12 (and .cse2 .cse15 .cse3)) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse13 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (not (= ~systemActive~0 (_ bv0 32)))) (.cse11 (and .cse15 .cse3)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse14 (and .cse1 .cse3)) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse7 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse7 .cse11) (or .cse12 .cse8 .cse4 .cse5 .cse10 .cse7) (or .cse0 .cse12 .cse8 .cse4 .cse5 .cse7) (or .cse2 .cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse5 .cse9 .cse10) (or .cse0 .cse12 .cse8 .cse5 .cse9 .cse7) (or .cse0 .cse13 .cse14 .cse4 .cse6 .cse7) (or .cse13 .cse8 .cse4 .cse10 .cse7 .cse11) (or .cse0 .cse14 .cse9 .cse6 .cse7)))) [2023-12-25 06:02:05,283 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse8 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse9 .cse6) (or .cse0 (and .cse8 .cse10 .cse11) .cse5 .cse2 .cse9 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4) (or .cse0 .cse6 .cse3 .cse4) (or .cse5 .cse2 .cse9 .cse7 .cse4) (or .cse0 .cse5 .cse9 .cse6 .cse4 (and .cse10 .cse11)) (or .cse0 .cse2 .cse9 .cse3 .cse4))) [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 436 460) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L389-1(lines 389 395) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 288) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 291) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2023-12-25 06:02:05,283 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 378 401) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L902 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L902 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L178(lines 153 182) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 153 182) the Hoare annotation is: true [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L902 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2023-12-25 06:02:05,284 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed. [2023-12-25 06:02:05,284 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L317(lines 316 363) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 359) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse5 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse4 .cse8 .cse5) (and .cse1 .cse3 .cse7 .cse4 .cse8 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse0 (bvsgt ~waterLevel~0 (_ bv0 32)) .cse3 .cse7 .cse4 .cse5))) [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L367(lines 306 371) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 332) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (bvsgt ~waterLevel~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4))) [2023-12-25 06:02:05,285 INFO L895 garLoopResultBuilder]: At program point L364(lines 315 365) the Hoare annotation is: false [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:02:05,285 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 358) no Hoare annotation was computed. [2023-12-25 06:02:05,286 INFO L895 garLoopResultBuilder]: At program point L352-2(lines 346 359) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (bvsgt ~waterLevel~0 (_ bv0 32))) (.cse9 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse5 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse9 .cse3 .cse5) (and .cse0 .cse8 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse8 .cse9 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse9 .cse2 .cse3 .cse5))) [2023-12-25 06:02:05,286 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 248) no Hoare annotation was computed. [2023-12-25 06:02:05,286 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2023-12-25 06:02:05,286 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 336 342) no Hoare annotation was computed. [2023-12-25 06:02:05,286 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 248) no Hoare annotation was computed. [2023-12-25 06:02:05,286 INFO L895 garLoopResultBuilder]: At program point L361(lines 316 363) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse5 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse4 .cse8 .cse5) (and .cse1 .cse3 .cse7 .cse4 .cse8 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse0 (bvsgt ~waterLevel~0 (_ bv0 32)) .cse3 .cse7 .cse4 .cse5))) [2023-12-25 06:02:05,286 INFO L895 garLoopResultBuilder]: At program point L328(line 328) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse5 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse4 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse4 .cse8 .cse5) (and .cse1 .cse3 .cse7 .cse4 .cse8 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse0 (bvsgt ~waterLevel~0 (_ bv0 32)) .cse3 .cse7 .cse4 .cse5))) [2023-12-25 06:02:05,286 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 434) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse4) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))))) [2023-12-25 06:02:05,286 INFO L895 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:05,286 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 136 149) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 426) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 431) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 410 434) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L895 garLoopResultBuilder]: At program point L429(line 429) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L429-1(lines 410 434) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-12-25 06:02:05,287 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse8 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse2 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (bvsgt |old(~waterLevel~0)| (_ bv0 32))) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse2 .cse4) (or .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse5 .cse1 .cse8 .cse7 .cse2 .cse4) (or .cse5 .cse6 .cse8 .cse7 .cse2 .cse4))) [2023-12-25 06:02:05,289 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:05,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:05,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:05 BoogieIcfgContainer [2023-12-25 06:02:05,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:05,300 INFO L158 Benchmark]: Toolchain (without parser) took 18594.83ms. Allocated memory was 303.0MB in the beginning and 444.6MB in the end (delta: 141.6MB). Free memory was 248.3MB in the beginning and 180.3MB in the end (delta: 68.0MB). Peak memory consumption was 245.6MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,300 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 174.1MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:05,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.80ms. Allocated memory is still 303.0MB. Free memory was 247.9MB in the beginning and 221.6MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.28ms. Allocated memory is still 303.0MB. Free memory was 221.6MB in the beginning and 219.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,301 INFO L158 Benchmark]: Boogie Preprocessor took 78.97ms. Allocated memory is still 303.0MB. Free memory was 219.3MB in the beginning and 216.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,301 INFO L158 Benchmark]: RCFGBuilder took 549.34ms. Allocated memory is still 303.0MB. Free memory was 216.9MB in the beginning and 244.3MB in the end (delta: -27.4MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,301 INFO L158 Benchmark]: TraceAbstraction took 17286.43ms. Allocated memory was 303.0MB in the beginning and 444.6MB in the end (delta: 141.6MB). Free memory was 243.8MB in the beginning and 180.3MB in the end (delta: 63.4MB). Peak memory consumption was 240.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:05,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 174.1MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 620.80ms. Allocated memory is still 303.0MB. Free memory was 247.9MB in the beginning and 221.6MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.28ms. Allocated memory is still 303.0MB. Free memory was 221.6MB in the beginning and 219.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.97ms. Allocated memory is still 303.0MB. Free memory was 219.3MB in the beginning and 216.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 549.34ms. Allocated memory is still 303.0MB. Free memory was 216.9MB in the beginning and 244.3MB in the end (delta: -27.4MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * TraceAbstraction took 17286.43ms. Allocated memory was 303.0MB in the beginning and 444.6MB in the end (delta: 141.6MB). Free memory was 243.8MB in the beginning and 180.3MB in the end (delta: 63.4MB). Peak memory consumption was 240.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] - GenericResultAtLocation [Line: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [254] - GenericResultAtLocation [Line: 295]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [295] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] - GenericResultAtLocation [Line: 372]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [372] - GenericResultAtLocation [Line: 567]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [567] - GenericResultAtLocation [Line: 602]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [602] * 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: 300]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.2s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 911 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 889 mSDsluCounter, 2847 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1680 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 1167 mSDtfsCounter, 893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2331occurred in iteration=12, InterpolantAutomatonStates: 61, 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, 14 MinimizatonAttempts, 254 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 2406 PreInvPairs, 2607 NumberOfFragments, 2918 HoareAnnotationTreeSize, 2406 FormulaSimplifications, 796 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 24 FormulaSimplificationsInter, 14982 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 697 ConstructedInterpolants, 0 QuantifiedInterpolants, 1447 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1662 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 155/162 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((((1 == pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (((waterLevel + 1) % 4294967296) > 0)) || ((((((systemActive == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) && (((waterLevel + 1) % 4294967296) > 0))) || ((((((systemActive == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning)) && (((waterLevel + 1) % 4294967296) > 0))) || ((((((methAndRunningLastTime == 0) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) && (((waterLevel + 1) % 4294967296) > 0))) || ((((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) && (((waterLevel + 1) % 4294967296) > 0))) || ((((((1 == pumpRunning) && (waterLevel > 0)) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (((waterLevel + 1) % 4294967296) > 0))) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:02:05,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...