/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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:03:47,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:03:47,039 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 06:03:47,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:03:47,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:03:47,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:03:47,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:03:47,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:03:47,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:03:47,058 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:03:47,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:03:47,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:03:47,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:03:47,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:03:47,059 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:03:47,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:03:47,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:03:47,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:03:47,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:03:47,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:03:47,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:03:47,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:03:47,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:03:47,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:03:47,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:03:47,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:03:47,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:03:47,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:03:47,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:03:47,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:03:47,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:03:47,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:03:47,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:03:47,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:03:47,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:47,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:03:47,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:03:47,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:03:47,065 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:03:47,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:03:47,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:03:47,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:03:47,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:03:47,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:03:47,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:03:47,067 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:03:47,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:03:47,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:03:47,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:03:47,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:03:47,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:03:47,256 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:03:47,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2023-12-25 06:03:48,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:03:48,643 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:03:48,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2023-12-25 06:03:48,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cdd26ab3/8addc96365994fecb8bad1d844c65448/FLAG8c072f055 [2023-12-25 06:03:48,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cdd26ab3/8addc96365994fecb8bad1d844c65448 [2023-12-25 06:03:48,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:03:48,671 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:03:48,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:48,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:03:48,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:03:48,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:48" (1/1) ... [2023-12-25 06:03:48,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f039a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:48, skipping insertion in model container [2023-12-25 06:03:48,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:48" (1/1) ... [2023-12-25 06:03:48,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:48,965 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_spec4_product56.cil.c[17338,17351] [2023-12-25 06:03:48,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:48,994 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:03:49,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:49,046 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_spec4_product56.cil.c[17338,17351] [2023-12-25 06:03:49,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:49,053 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:03:49,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-25 06:03:49,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [746] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [774] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [873] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [882] [2023-12-25 06:03:49,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] [2023-12-25 06:03:49,104 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_spec4_product56.cil.c[17338,17351] [2023-12-25 06:03:49,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:49,123 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:03:49,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49 WrapperNode [2023-12-25 06:03:49,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:49,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:49,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:03:49,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:03:49,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,159 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 223 [2023-12-25 06:03:49,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:49,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:03:49,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:03:49,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:03:49,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,208 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 06:03:49,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:03:49,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:03:49,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:03:49,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:03:49,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:03:49,302 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 06:03:49,372 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 06:03:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:03:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:03:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:03:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:03:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:03:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:03:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:03:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:03:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:03:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:03:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:03:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:03:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:03:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:03:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:03:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:03:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:03:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:03:49,495 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:03:49,496 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:03:49,798 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:03:49,951 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:03:49,951 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:03:49,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:49 BoogieIcfgContainer [2023-12-25 06:03:49,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:03:49,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:03:49,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:03:49,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:03:49,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:48" (1/3) ... [2023-12-25 06:03:49,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc52b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:49, skipping insertion in model container [2023-12-25 06:03:49,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (2/3) ... [2023-12-25 06:03:49,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc52b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:49, skipping insertion in model container [2023-12-25 06:03:49,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:49" (3/3) ... [2023-12-25 06:03:49,987 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2023-12-25 06:03:50,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:03:50,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:03:50,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:03:50,051 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;@69f9e96c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:03:50,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:03:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 63 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:03:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-25 06:03:50,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1527860270, now seen corresponding path program 1 times [2023-12-25 06:03:50,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992848256] [2023-12-25 06:03:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,074 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 06:03:50,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,076 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 06:03:50,081 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 06:03:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:50,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:03:50,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:50,150 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 06:03:50,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:50,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:50,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992848256] [2023-12-25 06:03:50,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992848256] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:50,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:50,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:50,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876859807] [2023-12-25 06:03:50,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:50,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:03:50,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:03:50,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:50,177 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 63 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:50,222 INFO L93 Difference]: Finished difference Result 152 states and 223 transitions. [2023-12-25 06:03:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:03:50,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-25 06:03:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:50,229 INFO L225 Difference]: With dead ends: 152 [2023-12-25 06:03:50,230 INFO L226 Difference]: Without dead ends: 72 [2023-12-25 06:03:50,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 06:03:50,234 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:50,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-25 06:03:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-25 06:03:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 59 states have internal predecessors, (71), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:03:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2023-12-25 06:03:50,266 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 12 [2023-12-25 06:03:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:50,266 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2023-12-25 06:03:50,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-25 06:03:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-25 06:03:50,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,287 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 06:03:50,470 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 06:03:50,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,471 INFO L85 PathProgramCache]: Analyzing trace with hash 166472456, now seen corresponding path program 1 times [2023-12-25 06:03:50,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221850973] [2023-12-25 06:03:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,472 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 06:03:50,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,473 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 06:03:50,478 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 06:03:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:50,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:50,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:50,525 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 06:03:50,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:50,525 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:50,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221850973] [2023-12-25 06:03:50,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221850973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:50,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:50,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:50,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177110744] [2023-12-25 06:03:50,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:50,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:50,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:50,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:50,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:50,527 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:50,557 INFO L93 Difference]: Finished difference Result 114 states and 158 transitions. [2023-12-25 06:03:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:50,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-25 06:03:50,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:50,560 INFO L225 Difference]: With dead ends: 114 [2023-12-25 06:03:50,560 INFO L226 Difference]: Without dead ends: 64 [2023-12-25 06:03:50,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 06:03:50,562 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:50,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 134 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:50,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-25 06:03:50,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-25 06:03:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 54 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-25 06:03:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 89 transitions. [2023-12-25 06:03:50,575 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 89 transitions. Word has length 13 [2023-12-25 06:03:50,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:50,576 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 89 transitions. [2023-12-25 06:03:50,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-12-25 06:03:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-25 06:03:50,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,581 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 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:50,778 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 06:03:50,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1924684962, now seen corresponding path program 1 times [2023-12-25 06:03:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412838157] [2023-12-25 06:03:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,781 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 06:03:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,782 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 06:03:50,806 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 06:03:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:50,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:50,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:50,846 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 06:03:50,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:50,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:50,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412838157] [2023-12-25 06:03:50,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412838157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:50,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:50,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:50,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200165090] [2023-12-25 06:03:50,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:50,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:50,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:50,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:50,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:50,848 INFO L87 Difference]: Start difference. First operand 64 states and 89 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:50,890 INFO L93 Difference]: Finished difference Result 188 states and 264 transitions. [2023-12-25 06:03:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:50,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-25 06:03:50,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:50,891 INFO L225 Difference]: With dead ends: 188 [2023-12-25 06:03:50,891 INFO L226 Difference]: Without dead ends: 126 [2023-12-25 06:03:50,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 06:03:50,892 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 83 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:50,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 154 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:50,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-12-25 06:03:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2023-12-25 06:03:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 84 states have (on average 1.4880952380952381) internal successors, (125), 103 states have internal predecessors, (125), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 13 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-25 06:03:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 173 transitions. [2023-12-25 06:03:50,905 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 173 transitions. Word has length 16 [2023-12-25 06:03:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:50,905 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 173 transitions. [2023-12-25 06:03:50,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 173 transitions. [2023-12-25 06:03:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-25 06:03:50,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,912 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 06:03:51,109 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 06:03:51,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:51,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1381983152, now seen corresponding path program 1 times [2023-12-25 06:03:51,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:51,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204852012] [2023-12-25 06:03:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:51,110 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 06:03:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:51,112 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 06:03:51,131 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 06:03:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:51,184 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 06:03:51,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:51,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:51,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204852012] [2023-12-25 06:03:51,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204852012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:51,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:51,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:51,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932703198] [2023-12-25 06:03:51,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:51,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:51,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:51,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:51,186 INFO L87 Difference]: Start difference. First operand 123 states and 173 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:51,249 INFO L93 Difference]: Finished difference Result 355 states and 520 transitions. [2023-12-25 06:03:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:51,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-25 06:03:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:51,251 INFO L225 Difference]: With dead ends: 355 [2023-12-25 06:03:51,251 INFO L226 Difference]: Without dead ends: 234 [2023-12-25 06:03:51,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 06:03:51,253 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 63 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:51,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 211 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-12-25 06:03:51,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2023-12-25 06:03:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 159 states have (on average 1.4528301886792452) internal successors, (231), 194 states have internal predecessors, (231), 48 states have call successors, (48), 28 states have call predecessors, (48), 26 states have return successors, (50), 24 states have call predecessors, (50), 48 states have call successors, (50) [2023-12-25 06:03:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 329 transitions. [2023-12-25 06:03:51,277 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 329 transitions. Word has length 19 [2023-12-25 06:03:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:51,278 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 329 transitions. [2023-12-25 06:03:51,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 329 transitions. [2023-12-25 06:03:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:03:51,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:51,280 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 06:03:51,287 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 (5)] Ended with exit code 0 [2023-12-25 06:03:51,482 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 06:03:51,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:51,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:51,483 INFO L85 PathProgramCache]: Analyzing trace with hash 108915157, now seen corresponding path program 1 times [2023-12-25 06:03:51,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948959103] [2023-12-25 06:03:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:51,483 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 06:03:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:51,484 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 06:03:51,489 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 06:03:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:51,567 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 06:03:51,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:51,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:51,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948959103] [2023-12-25 06:03:51,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948959103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:51,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:51,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470198370] [2023-12-25 06:03:51,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:51,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:51,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:51,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:51,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:51,577 INFO L87 Difference]: Start difference. First operand 234 states and 329 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:51,649 INFO L93 Difference]: Finished difference Result 576 states and 826 transitions. [2023-12-25 06:03:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:51,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-25 06:03:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:51,653 INFO L225 Difference]: With dead ends: 576 [2023-12-25 06:03:51,653 INFO L226 Difference]: Without dead ends: 344 [2023-12-25 06:03:51,655 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 06:03:51,656 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 53 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:51,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 131 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-25 06:03:51,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 336. [2023-12-25 06:03:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 241 states have (on average 1.3568464730290457) internal successors, (327), 263 states have internal predecessors, (327), 49 states have call successors, (49), 45 states have call predecessors, (49), 45 states have return successors, (73), 44 states have call predecessors, (73), 49 states have call successors, (73) [2023-12-25 06:03:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 449 transitions. [2023-12-25 06:03:51,715 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 449 transitions. Word has length 21 [2023-12-25 06:03:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:51,716 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 449 transitions. [2023-12-25 06:03:51,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 449 transitions. [2023-12-25 06:03:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:03:51,720 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:51,720 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] [2023-12-25 06:03:51,724 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 06:03:51,924 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 06:03:51,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:51,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash -294797462, now seen corresponding path program 1 times [2023-12-25 06:03:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:51,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845859802] [2023-12-25 06:03:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:51,926 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 06:03:51,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:51,927 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 06:03:51,952 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 06:03:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:52,052 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 06:03:52,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:52,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:52,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845859802] [2023-12-25 06:03:52,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845859802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:52,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:52,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:03:52,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329243387] [2023-12-25 06:03:52,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:52,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:03:52,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:52,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:03:52,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:03:52,054 INFO L87 Difference]: Start difference. First operand 336 states and 449 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 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 06:03:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:52,436 INFO L93 Difference]: Finished difference Result 952 states and 1345 transitions. [2023-12-25 06:03:52,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 06:03:52,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 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 23 [2023-12-25 06:03:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:52,439 INFO L225 Difference]: With dead ends: 952 [2023-12-25 06:03:52,439 INFO L226 Difference]: Without dead ends: 758 [2023-12-25 06:03:52,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-25 06:03:52,441 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 216 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:52,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 340 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:03:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2023-12-25 06:03:52,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 730. [2023-12-25 06:03:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 525 states have (on average 1.3523809523809525) internal successors, (710), 580 states have internal predecessors, (710), 102 states have call successors, (102), 86 states have call predecessors, (102), 102 states have return successors, (164), 96 states have call predecessors, (164), 102 states have call successors, (164) [2023-12-25 06:03:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 976 transitions. [2023-12-25 06:03:52,500 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 976 transitions. Word has length 23 [2023-12-25 06:03:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:52,501 INFO L495 AbstractCegarLoop]: Abstraction has 730 states and 976 transitions. [2023-12-25 06:03:52,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 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 06:03:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 976 transitions. [2023-12-25 06:03:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-25 06:03:52,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:52,506 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:03:52,509 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 06:03:52,712 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 06:03:52,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:52,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:52,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1655367479, now seen corresponding path program 1 times [2023-12-25 06:03:52,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:52,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039687810] [2023-12-25 06:03:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:52,713 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 06:03:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:52,714 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 06:03:52,716 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 06:03:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:52,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:52,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:03:52,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:52,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039687810] [2023-12-25 06:03:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039687810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:52,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:52,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:52,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008120085] [2023-12-25 06:03:52,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:52,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:52,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:52,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:52,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:52,803 INFO L87 Difference]: Start difference. First operand 730 states and 976 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:03:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:52,862 INFO L93 Difference]: Finished difference Result 1203 states and 1605 transitions. [2023-12-25 06:03:52,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:52,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2023-12-25 06:03:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:52,865 INFO L225 Difference]: With dead ends: 1203 [2023-12-25 06:03:52,865 INFO L226 Difference]: Without dead ends: 475 [2023-12-25 06:03:52,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 06:03:52,868 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 31 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:52,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 172 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:52,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2023-12-25 06:03:52,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 465. [2023-12-25 06:03:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 338 states have (on average 1.3402366863905326) internal successors, (453), 374 states have internal predecessors, (453), 63 states have call successors, (63), 55 states have call predecessors, (63), 63 states have return successors, (94), 60 states have call predecessors, (94), 63 states have call successors, (94) [2023-12-25 06:03:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 610 transitions. [2023-12-25 06:03:52,908 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 610 transitions. Word has length 53 [2023-12-25 06:03:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:52,909 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 610 transitions. [2023-12-25 06:03:52,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:03:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2023-12-25 06:03:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-25 06:03:52,914 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:52,915 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:03:52,932 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 (8)] Ended with exit code 0 [2023-12-25 06:03:53,117 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 06:03:53,117 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:53,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash -308345006, now seen corresponding path program 1 times [2023-12-25 06:03:53,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:53,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393381628] [2023-12-25 06:03:53,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:53,119 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 06:03:53,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:53,120 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 06:03:53,145 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 06:03:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:53,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:53,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 06:03:53,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:53,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:53,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393381628] [2023-12-25 06:03:53,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393381628] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:53,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844435759] [2023-12-25 06:03:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:53,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:53,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:53,188 INFO L87 Difference]: Start difference. First operand 465 states and 610 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:03:53,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:53,266 INFO L93 Difference]: Finished difference Result 936 states and 1257 transitions. [2023-12-25 06:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2023-12-25 06:03:53,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:53,270 INFO L225 Difference]: With dead ends: 936 [2023-12-25 06:03:53,270 INFO L226 Difference]: Without dead ends: 473 [2023-12-25 06:03:53,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 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 06:03:53,273 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 2 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:53,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 225 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-12-25 06:03:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2023-12-25 06:03:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 346 states have (on average 1.3323699421965318) internal successors, (461), 382 states have internal predecessors, (461), 63 states have call successors, (63), 55 states have call predecessors, (63), 63 states have return successors, (94), 60 states have call predecessors, (94), 63 states have call successors, (94) [2023-12-25 06:03:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 618 transitions. [2023-12-25 06:03:53,307 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 618 transitions. Word has length 55 [2023-12-25 06:03:53,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:53,307 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 618 transitions. [2023-12-25 06:03:53,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:03:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 618 transitions. [2023-12-25 06:03:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-25 06:03:53,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:53,309 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:03:53,326 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 (9)] Ended with exit code 0 [2023-12-25 06:03:53,512 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 06:03:53,512 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:53,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1742638992, now seen corresponding path program 1 times [2023-12-25 06:03:53,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:53,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240411729] [2023-12-25 06:03:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:53,514 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 06:03:53,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:53,515 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 06:03:53,527 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 06:03:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:53,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:53,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 06:03:53,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:53,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:53,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240411729] [2023-12-25 06:03:53,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240411729] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:53,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:53,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:53,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754597934] [2023-12-25 06:03:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:53,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:53,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:53,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:53,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:53,619 INFO L87 Difference]: Start difference. First operand 473 states and 618 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:03:53,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:53,717 INFO L93 Difference]: Finished difference Result 914 states and 1230 transitions. [2023-12-25 06:03:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:53,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2023-12-25 06:03:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:53,720 INFO L225 Difference]: With dead ends: 914 [2023-12-25 06:03:53,720 INFO L226 Difference]: Without dead ends: 443 [2023-12-25 06:03:53,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 06:03:53,722 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 6 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:53,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 218 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-12-25 06:03:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 438. [2023-12-25 06:03:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 320 states have (on average 1.31875) internal successors, (422), 353 states have internal predecessors, (422), 60 states have call successors, (60), 52 states have call predecessors, (60), 57 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2023-12-25 06:03:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 562 transitions. [2023-12-25 06:03:53,775 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 562 transitions. Word has length 55 [2023-12-25 06:03:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:53,775 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 562 transitions. [2023-12-25 06:03:53,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:03:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 562 transitions. [2023-12-25 06:03:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-25 06:03:53,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:53,778 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:03:53,796 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 06:03:53,978 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 06:03:53,979 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:53,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:53,979 INFO L85 PathProgramCache]: Analyzing trace with hash -543154584, now seen corresponding path program 1 times [2023-12-25 06:03:53,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:53,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841098612] [2023-12-25 06:03:53,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:53,980 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 06:03:53,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:53,981 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 06:03:53,984 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 06:03:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:54,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-25 06:03:54,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-25 06:03:54,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:54,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:54,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841098612] [2023-12-25 06:03:54,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841098612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:54,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:54,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250929749] [2023-12-25 06:03:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:54,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:54,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:54,110 INFO L87 Difference]: Start difference. First operand 438 states and 562 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:54,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:54,198 INFO L93 Difference]: Finished difference Result 1317 states and 1712 transitions. [2023-12-25 06:03:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:03:54,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-12-25 06:03:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:54,203 INFO L225 Difference]: With dead ends: 1317 [2023-12-25 06:03:54,204 INFO L226 Difference]: Without dead ends: 881 [2023-12-25 06:03:54,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 06:03:54,206 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 43 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:54,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 226 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2023-12-25 06:03:54,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 869. [2023-12-25 06:03:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 637 states have (on average 1.2982731554160125) internal successors, (827), 699 states have internal predecessors, (827), 117 states have call successors, (117), 104 states have call predecessors, (117), 114 states have return successors, (168), 108 states have call predecessors, (168), 117 states have call successors, (168) [2023-12-25 06:03:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1112 transitions. [2023-12-25 06:03:54,281 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1112 transitions. Word has length 59 [2023-12-25 06:03:54,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:54,281 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1112 transitions. [2023-12-25 06:03:54,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1112 transitions. [2023-12-25 06:03:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-25 06:03:54,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:54,283 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:54,286 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 06:03:54,486 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 06:03:54,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:54,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:54,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1137740372, now seen corresponding path program 1 times [2023-12-25 06:03:54,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296703867] [2023-12-25 06:03:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:54,487 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 06:03:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:54,488 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 06:03:54,504 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 06:03:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:54,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:54,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:03:54,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:03:54,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296703867] [2023-12-25 06:03:54,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296703867] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:54,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:54,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-25 06:03:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433732753] [2023-12-25 06:03:54,793 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:54,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 06:03:54,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:54,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 06:03:54,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-12-25 06:03:54,795 INFO L87 Difference]: Start difference. First operand 869 states and 1112 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-25 06:03:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:55,645 INFO L93 Difference]: Finished difference Result 2377 states and 3268 transitions. [2023-12-25 06:03:55,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-25 06:03:55,645 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 63 [2023-12-25 06:03:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:55,653 INFO L225 Difference]: With dead ends: 2377 [2023-12-25 06:03:55,653 INFO L226 Difference]: Without dead ends: 1630 [2023-12-25 06:03:55,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2023-12-25 06:03:55,656 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 595 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:55,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 395 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:03:55,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2023-12-25 06:03:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1582. [2023-12-25 06:03:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1155 states have (on average 1.2891774891774892) internal successors, (1489), 1266 states have internal predecessors, (1489), 214 states have call successors, (214), 188 states have call predecessors, (214), 212 states have return successors, (422), 206 states have call predecessors, (422), 214 states have call successors, (422) [2023-12-25 06:03:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2125 transitions. [2023-12-25 06:03:55,763 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2125 transitions. Word has length 63 [2023-12-25 06:03:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:55,763 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2125 transitions. [2023-12-25 06:03:55,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-25 06:03:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2125 transitions. [2023-12-25 06:03:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-25 06:03:55,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:55,765 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:55,768 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 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:55,968 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 06:03:55,968 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:55,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:55,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1070415388, now seen corresponding path program 1 times [2023-12-25 06:03:55,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:55,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406189156] [2023-12-25 06:03:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:55,969 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 06:03:55,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:55,970 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 06:03:55,972 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 06:03:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:56,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:56,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-25 06:03:56,166 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-25 06:03:56,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:56,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406189156] [2023-12-25 06:03:56,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406189156] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:56,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:56,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2023-12-25 06:03:56,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979922275] [2023-12-25 06:03:56,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:56,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-25 06:03:56,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:56,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-25 06:03:56,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-25 06:03:56,429 INFO L87 Difference]: Start difference. First operand 1582 states and 2125 transitions. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2023-12-25 06:03:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:57,139 INFO L93 Difference]: Finished difference Result 3377 states and 4708 transitions. [2023-12-25 06:03:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:03:57,140 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) Word has length 98 [2023-12-25 06:03:57,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:57,147 INFO L225 Difference]: With dead ends: 3377 [2023-12-25 06:03:57,147 INFO L226 Difference]: Without dead ends: 1917 [2023-12-25 06:03:57,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2023-12-25 06:03:57,152 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 462 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:57,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 630 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 06:03:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2023-12-25 06:03:57,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1775. [2023-12-25 06:03:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1299 states have (on average 1.2717474980754426) internal successors, (1652), 1415 states have internal predecessors, (1652), 241 states have call successors, (241), 218 states have call predecessors, (241), 234 states have return successors, (327), 228 states have call predecessors, (327), 241 states have call successors, (327) [2023-12-25 06:03:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2220 transitions. [2023-12-25 06:03:57,297 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2220 transitions. Word has length 98 [2023-12-25 06:03:57,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:57,297 INFO L495 AbstractCegarLoop]: Abstraction has 1775 states and 2220 transitions. [2023-12-25 06:03:57,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2023-12-25 06:03:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2220 transitions. [2023-12-25 06:03:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-25 06:03:57,303 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:57,303 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:57,308 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 (13)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:57,503 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 06:03:57,504 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:57,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1175164066, now seen corresponding path program 1 times [2023-12-25 06:03:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:57,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165214674] [2023-12-25 06:03:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:57,505 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 06:03:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:57,507 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 06:03:57,508 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 06:03:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:57,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:57,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-25 06:03:57,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:57,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:57,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165214674] [2023-12-25 06:03:57,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165214674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:57,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:57,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:57,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261654064] [2023-12-25 06:03:57,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:57,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:57,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:57,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:57,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:57,609 INFO L87 Difference]: Start difference. First operand 1775 states and 2220 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:03:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:57,681 INFO L93 Difference]: Finished difference Result 2158 states and 2685 transitions. [2023-12-25 06:03:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:57,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2023-12-25 06:03:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:57,682 INFO L225 Difference]: With dead ends: 2158 [2023-12-25 06:03:57,682 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:03:57,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 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 06:03:57,686 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:57,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:57,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:03:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:03:57,687 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 06:03:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:03:57,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2023-12-25 06:03:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:57,688 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:03:57,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:03:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:03:57,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:03:57,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:03:57,701 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 (14)] Ended with exit code 0 [2023-12-25 06:03:57,894 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 06:03:57,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:03:59,393 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2023-12-25 06:03:59,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 183 190) the Hoare annotation is: true [2023-12-25 06:03:59,394 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 90 96) no Hoare annotation was computed. [2023-12-25 06:03:59,394 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 90 96) the Hoare annotation is: true [2023-12-25 06:03:59,394 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2023-12-25 06:03:59,394 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 909 920) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse1 .cse2 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse5 .cse6))) [2023-12-25 06:03:59,394 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 909 920) no Hoare annotation was computed. [2023-12-25 06:03:59,394 INFO L899 garLoopResultBuilder]: For program point L801(lines 776 805) no Hoare annotation was computed. [2023-12-25 06:03:59,394 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L902 garLoopResultBuilder]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2023-12-25 06:03:59,395 INFO L902 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2023-12-25 06:03:59,395 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2023-12-25 06:03:59,395 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 805) the Hoare annotation is: true [2023-12-25 06:03:59,395 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2023-12-25 06:03:59,395 INFO L895 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32)))) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4))) [2023-12-25 06:03:59,395 INFO L895 garLoopResultBuilder]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2023-12-25 06:03:59,396 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse7 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not .cse8)) (.cse3 (and (= ~waterLevel~0 (_ bv2 32)) .cse7 .cse8 .cse9)) (.cse0 (not .cse7)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse4 .cse6)))) [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 150 174) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 69 88) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 89) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse7)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 (and .cse6 .cse7)) (or .cse4 .cse1 .cse2 .cse7) (or .cse4 .cse6 .cse1) (or .cse0 .cse2 .cse3 .cse5)))) [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L889-2(lines 885 896) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 749 773) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 89) no Hoare annotation was computed. [2023-12-25 06:03:59,396 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L895 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2023-12-25 06:03:59,397 INFO L895 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L895 garLoopResultBuilder]: At program point L726-2(lines 718 733) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2023-12-25 06:03:59,397 INFO L895 garLoopResultBuilder]: At program point L735(lines 688 737) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2023-12-25 06:03:59,397 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L860-2(lines 860 867) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L741(lines 678 745) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L895 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (and .cse2 .cse3)) (or .cse0 .cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2 .cse3) (not (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 98 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 962 975) no Hoare annotation was computed. [2023-12-25 06:03:59,398 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 98 122) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L895 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 98 122) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 897 908) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 897 908) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1) (or .cse5 .cse6 .cse0 .cse4))) [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L895 garLoopResultBuilder]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 124 148) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:03:59,399 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 124 148) no Hoare annotation was computed. [2023-12-25 06:03:59,399 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2023-12-25 06:03:59,400 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or (= (_ bv1 32) |processEnvironment__wrappee__lowWaterSensor_~tmp~1#1|) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2023-12-25 06:03:59,400 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2023-12-25 06:03:59,402 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:59,403 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:03:59,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:59 BoogieIcfgContainer [2023-12-25 06:03:59,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:03:59,411 INFO L158 Benchmark]: Toolchain (without parser) took 10739.90ms. Allocated memory was 261.1MB in the beginning and 399.5MB in the end (delta: 138.4MB). Free memory was 210.4MB in the beginning and 175.6MB in the end (delta: 34.9MB). Peak memory consumption was 174.4MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,411 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 197.1MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:03:59,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.46ms. Allocated memory is still 261.1MB. Free memory was 210.4MB in the beginning and 183.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.25ms. Allocated memory is still 261.1MB. Free memory was 183.2MB in the beginning and 181.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,412 INFO L158 Benchmark]: Boogie Preprocessor took 76.68ms. Allocated memory is still 261.1MB. Free memory was 181.1MB in the beginning and 178.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,412 INFO L158 Benchmark]: RCFGBuilder took 730.08ms. Allocated memory is still 261.1MB. Free memory was 178.5MB in the beginning and 220.5MB in the end (delta: -42.1MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,412 INFO L158 Benchmark]: TraceAbstraction took 9439.72ms. Allocated memory was 261.1MB in the beginning and 399.5MB in the end (delta: 138.4MB). Free memory was 220.0MB in the beginning and 175.6MB in the end (delta: 44.5MB). Peak memory consumption was 182.9MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 197.1MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 449.46ms. Allocated memory is still 261.1MB. Free memory was 210.4MB in the beginning and 183.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.25ms. Allocated memory is still 261.1MB. Free memory was 183.2MB in the beginning and 181.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.68ms. Allocated memory is still 261.1MB. Free memory was 181.1MB in the beginning and 178.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 730.08ms. Allocated memory is still 261.1MB. Free memory was 178.5MB in the beginning and 220.5MB in the end (delta: -42.1MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. * TraceAbstraction took 9439.72ms. Allocated memory was 261.1MB in the beginning and 399.5MB in the end (delta: 138.4MB). Free memory was 220.0MB in the beginning and 175.6MB in the end (delta: 44.5MB). Peak memory consumption was 182.9MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] - GenericResultAtLocation [Line: 746]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [746] - GenericResultAtLocation [Line: 774]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [774] - GenericResultAtLocation [Line: 873]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [873] - GenericResultAtLocation [Line: 882]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [882] - GenericResultAtLocation [Line: 985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] * 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: 878]: 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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1620 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1570 mSDsluCounter, 3113 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2065 mSDsCounter, 550 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2806 IncrementalHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 550 mSolverCounterUnsat, 1048 mSDtfsCounter, 2806 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1775occurred in iteration=12, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 256 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 2267 PreInvPairs, 2330 NumberOfFragments, 918 HoareAnnotationTreeSize, 2267 FormulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FormulaSimplificationsInter, 2022 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 1598 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1482 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 216/248 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: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((((systemActive == 0) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0))) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 2) && (systemActive == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:03:59,442 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...