/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_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:04:33,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:04:33,331 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 06:04:33,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:04:33,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:04:33,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:04:33,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:04:33,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:04:33,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:04:33,356 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:04:33,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:04:33,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:04:33,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:04:33,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:04:33,358 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:04:33,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:04:33,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:04:33,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:04:33,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:04:33,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:04:33,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:04:33,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:04:33,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:04:33,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:04:33,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:04:33,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:04:33,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:04:33,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:04:33,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:04:33,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:04:33,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:04:33,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:04:33,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:04:33,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:04:33,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:33,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:04:33,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:04:33,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:04:33,366 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:04:33,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:04:33,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:04:33,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:04:33,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:04:33,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:04:33,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:04:33,369 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:04:33,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:04:33,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:04:33,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:04:33,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:04:33,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:04:33,610 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:04:33,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2023-12-25 06:04:34,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:04:34,900 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:04:34,901 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2023-12-25 06:04:34,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d8651af/960763c44c1b44249ca7a4a0fa4667f9/FLAG20131eec7 [2023-12-25 06:04:34,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d8651af/960763c44c1b44249ca7a4a0fa4667f9 [2023-12-25 06:04:34,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:04:34,930 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:04:34,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:34,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:04:34,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:04:34,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:34" (1/1) ... [2023-12-25 06:04:34,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49584d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:34, skipping insertion in model container [2023-12-25 06:04:34,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:34" (1/1) ... [2023-12-25 06:04:34,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:35,213 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_spec5_product40.cil.c[17098,17111] [2023-12-25 06:04:35,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:35,242 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:04:35,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:35,303 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_spec5_product40.cil.c[17098,17111] [2023-12-25 06:04:35,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:35,317 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:04:35,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-25 06:04:35,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] [2023-12-25 06:04:35,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] [2023-12-25 06:04:35,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] [2023-12-25 06:04:35,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] [2023-12-25 06:04:35,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] [2023-12-25 06:04:35,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] [2023-12-25 06:04:35,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] [2023-12-25 06:04:35,359 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_spec5_product40.cil.c[17098,17111] [2023-12-25 06:04:35,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:35,375 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:04:35,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35 WrapperNode [2023-12-25 06:04:35,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:35,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:35,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:04:35,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:04:35,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,429 INFO L138 Inliner]: procedures = 59, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 197 [2023-12-25 06:04:35,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:35,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:04:35,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:04:35,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:04:35,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,451 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 06:04:35,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:04:35,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:04:35,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:04:35,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:04:35,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (1/1) ... [2023-12-25 06:04:35,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:35,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:04:35,542 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 06:04:35,561 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 06:04:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:04:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:04:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:04:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:04:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:04:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:04:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:04:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:04:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:04:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:04:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:04:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:04:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:04:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:04:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:04:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:04:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:04:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:04:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:04:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:04:35,634 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:04:35,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:04:35,833 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:04:35,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:04:35,945 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:04:35,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:35 BoogieIcfgContainer [2023-12-25 06:04:35,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:04:35,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:04:35,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:04:35,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:04:35,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:04:34" (1/3) ... [2023-12-25 06:04:35,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195763e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:35, skipping insertion in model container [2023-12-25 06:04:35,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:35" (2/3) ... [2023-12-25 06:04:35,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195763e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:35, skipping insertion in model container [2023-12-25 06:04:35,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:35" (3/3) ... [2023-12-25 06:04:35,951 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2023-12-25 06:04:35,971 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:04:35,971 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:04:36,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:04:36,023 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;@73b14495, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:04:36,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:04:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:04:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:04:36,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:36,035 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:36,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:36,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash -559003011, now seen corresponding path program 1 times [2023-12-25 06:04:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116210366] [2023-12-25 06:04:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:36,051 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 06:04:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:36,054 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 06:04:36,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:04:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:36,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:04:36,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:36,145 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:36,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:36,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116210366] [2023-12-25 06:04:36,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116210366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:36,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:36,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:36,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034544936] [2023-12-25 06:04:36,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:36,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:04:36,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:36,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:04:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:36,188 INFO L87 Difference]: Start difference. First operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:36,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:36,254 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2023-12-25 06:04:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:04:36,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-25 06:04:36,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:36,265 INFO L225 Difference]: With dead ends: 148 [2023-12-25 06:04:36,265 INFO L226 Difference]: Without dead ends: 70 [2023-12-25 06:04:36,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 06:04:36,273 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:36,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:36,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-25 06:04:36,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-25 06:04:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:04:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2023-12-25 06:04:36,321 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 22 [2023-12-25 06:04:36,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:36,322 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2023-12-25 06:04:36,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2023-12-25 06:04:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:04:36,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:36,326 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:36,329 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 06:04:36,531 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 06:04:36,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:36,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1472764956, now seen corresponding path program 1 times [2023-12-25 06:04:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:36,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16150029] [2023-12-25 06:04:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:36,535 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 06:04:36,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:36,537 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 06:04:36,578 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 06:04:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:36,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:36,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:36,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:36,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:36,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16150029] [2023-12-25 06:04:36,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16150029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:36,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:36,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:36,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602130462] [2023-12-25 06:04:36,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:36,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:36,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:36,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:36,639 INFO L87 Difference]: Start difference. First operand 70 states and 95 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:36,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:36,689 INFO L93 Difference]: Finished difference Result 110 states and 148 transitions. [2023-12-25 06:04:36,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:36,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-25 06:04:36,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:36,692 INFO L225 Difference]: With dead ends: 110 [2023-12-25 06:04:36,692 INFO L226 Difference]: Without dead ends: 62 [2023-12-25 06:04:36,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 06:04:36,694 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:36,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 126 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:36,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-25 06:04:36,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-25 06:04:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.441860465116279) internal successors, (62), 51 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:04:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2023-12-25 06:04:36,704 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 23 [2023-12-25 06:04:36,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:36,709 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2023-12-25 06:04:36,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2023-12-25 06:04:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:36,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:36,710 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:04:36,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:36,912 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 06:04:36,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:36,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:36,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1962258660, now seen corresponding path program 1 times [2023-12-25 06:04:36,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:36,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439629408] [2023-12-25 06:04:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:36,915 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 06:04:36,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:36,921 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 06:04:36,922 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 06:04:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:36,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:36,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:36,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:36,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:37,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439629408] [2023-12-25 06:04:37,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439629408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:37,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:37,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:37,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267974808] [2023-12-25 06:04:37,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:37,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:37,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:37,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:37,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:37,001 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:37,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:37,076 INFO L93 Difference]: Finished difference Result 182 states and 249 transitions. [2023-12-25 06:04:37,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:37,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-25 06:04:37,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:37,081 INFO L225 Difference]: With dead ends: 182 [2023-12-25 06:04:37,081 INFO L226 Difference]: Without dead ends: 122 [2023-12-25 06:04:37,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 06:04:37,087 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:37,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 152 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:37,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-25 06:04:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2023-12-25 06:04:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.451219512195122) internal successors, (119), 97 states have internal predecessors, (119), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-25 06:04:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 163 transitions. [2023-12-25 06:04:37,103 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 163 transitions. Word has length 26 [2023-12-25 06:04:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:37,103 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 163 transitions. [2023-12-25 06:04:37,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2023-12-25 06:04:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-25 06:04:37,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:37,104 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:37,111 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 06:04:37,307 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 06:04:37,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:37,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:37,308 INFO L85 PathProgramCache]: Analyzing trace with hash 647764494, now seen corresponding path program 1 times [2023-12-25 06:04:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:37,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922135024] [2023-12-25 06:04:37,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:37,308 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 06:04:37,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:37,309 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 06:04:37,311 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 06:04:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:37,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:37,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:04:37,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:37,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:37,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922135024] [2023-12-25 06:04:37,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922135024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:37,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:37,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:04:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199486403] [2023-12-25 06:04:37,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:37,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:37,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:37,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:37,415 INFO L87 Difference]: Start difference. First operand 119 states and 163 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:37,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:37,520 INFO L93 Difference]: Finished difference Result 320 states and 445 transitions. [2023-12-25 06:04:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:04:37,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-25 06:04:37,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:37,522 INFO L225 Difference]: With dead ends: 320 [2023-12-25 06:04:37,522 INFO L226 Difference]: Without dead ends: 203 [2023-12-25 06:04:37,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:04:37,523 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 41 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:37,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 295 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-25 06:04:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2023-12-25 06:04:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 154 states have internal predecessors, (191), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-12-25 06:04:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2023-12-25 06:04:37,543 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 29 [2023-12-25 06:04:37,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:37,543 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2023-12-25 06:04:37,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2023-12-25 06:04:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-25 06:04:37,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:37,545 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:04:37,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:37,748 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 06:04:37,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:37,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:37,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2086249014, now seen corresponding path program 1 times [2023-12-25 06:04:37,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:37,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012897626] [2023-12-25 06:04:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:37,750 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 06:04:37,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:37,751 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 06:04:37,752 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 06:04:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:37,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:37,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:37,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:37,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:37,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012897626] [2023-12-25 06:04:37,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012897626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:37,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:37,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:37,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74480857] [2023-12-25 06:04:37,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:37,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:37,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:37,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:37,900 INFO L87 Difference]: Start difference. First operand 198 states and 263 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:37,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:37,989 INFO L93 Difference]: Finished difference Result 560 states and 766 transitions. [2023-12-25 06:04:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:37,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-12-25 06:04:37,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:37,994 INFO L225 Difference]: With dead ends: 560 [2023-12-25 06:04:37,995 INFO L226 Difference]: Without dead ends: 364 [2023-12-25 06:04:37,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 06:04:37,996 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 45 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:37,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 134 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-12-25 06:04:38,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2023-12-25 06:04:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 255 states have (on average 1.3450980392156864) internal successors, (343), 275 states have internal predecessors, (343), 57 states have call successors, (57), 47 states have call predecessors, (57), 45 states have return successors, (75), 52 states have call predecessors, (75), 57 states have call successors, (75) [2023-12-25 06:04:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 475 transitions. [2023-12-25 06:04:38,086 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 475 transitions. Word has length 38 [2023-12-25 06:04:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:38,086 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 475 transitions. [2023-12-25 06:04:38,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 475 transitions. [2023-12-25 06:04:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-25 06:04:38,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:38,091 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:04:38,115 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 06:04:38,293 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 06:04:38,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:38,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash -620370380, now seen corresponding path program 1 times [2023-12-25 06:04:38,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:38,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078890145] [2023-12-25 06:04:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:38,295 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 06:04:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:38,297 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 06:04:38,299 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 06:04:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:38,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:38,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:38,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:38,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:38,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078890145] [2023-12-25 06:04:38,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078890145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:38,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:38,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:38,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895621402] [2023-12-25 06:04:38,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:38,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:38,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:38,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:38,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:38,360 INFO L87 Difference]: Start difference. First operand 358 states and 475 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:38,422 INFO L93 Difference]: Finished difference Result 722 states and 976 transitions. [2023-12-25 06:04:38,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:38,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-12-25 06:04:38,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:38,424 INFO L225 Difference]: With dead ends: 722 [2023-12-25 06:04:38,424 INFO L226 Difference]: Without dead ends: 366 [2023-12-25 06:04:38,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 06:04:38,428 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 2 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:38,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 213 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-12-25 06:04:38,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2023-12-25 06:04:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 263 states have (on average 1.3346007604562737) internal successors, (351), 283 states have internal predecessors, (351), 57 states have call successors, (57), 47 states have call predecessors, (57), 45 states have return successors, (75), 52 states have call predecessors, (75), 57 states have call successors, (75) [2023-12-25 06:04:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 483 transitions. [2023-12-25 06:04:38,450 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 483 transitions. Word has length 38 [2023-12-25 06:04:38,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:38,450 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 483 transitions. [2023-12-25 06:04:38,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 483 transitions. [2023-12-25 06:04:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-25 06:04:38,451 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:38,451 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:04:38,458 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 06:04:38,654 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 06:04:38,654 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:38,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1900234058, now seen corresponding path program 1 times [2023-12-25 06:04:38,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:38,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376387164] [2023-12-25 06:04:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:38,655 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 06:04:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:38,656 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 06:04:38,657 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 06:04:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:38,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:38,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:38,742 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:38,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:38,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376387164] [2023-12-25 06:04:38,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376387164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:38,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:38,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:38,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500126456] [2023-12-25 06:04:38,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:38,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:38,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:38,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:38,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:38,743 INFO L87 Difference]: Start difference. First operand 366 states and 483 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:38,802 INFO L93 Difference]: Finished difference Result 670 states and 901 transitions. [2023-12-25 06:04:38,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:38,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-12-25 06:04:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:38,805 INFO L225 Difference]: With dead ends: 670 [2023-12-25 06:04:38,805 INFO L226 Difference]: Without dead ends: 306 [2023-12-25 06:04:38,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 06:04:38,807 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 6 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:38,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 206 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-12-25 06:04:38,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 296. [2023-12-25 06:04:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 213 states have (on average 1.3051643192488263) internal successors, (278), 230 states have internal predecessors, (278), 46 states have call successors, (46), 38 states have call predecessors, (46), 36 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2023-12-25 06:04:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 378 transitions. [2023-12-25 06:04:38,841 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 378 transitions. Word has length 38 [2023-12-25 06:04:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:38,842 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 378 transitions. [2023-12-25 06:04:38,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:04:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 378 transitions. [2023-12-25 06:04:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-25 06:04:38,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:38,850 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:04:38,855 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 06:04:39,052 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 06:04:39,053 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:39,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:39,053 INFO L85 PathProgramCache]: Analyzing trace with hash 928377310, now seen corresponding path program 1 times [2023-12-25 06:04:39,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:39,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46040431] [2023-12-25 06:04:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:39,054 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 06:04:39,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:39,055 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 06:04:39,085 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 06:04:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:39,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:04:39,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:39,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:39,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:39,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46040431] [2023-12-25 06:04:39,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46040431] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:39,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:39,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:39,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975989691] [2023-12-25 06:04:39,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:39,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:04:39,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:39,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:04:39,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:04:39,192 INFO L87 Difference]: Start difference. First operand 296 states and 378 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-25 06:04:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:39,558 INFO L93 Difference]: Finished difference Result 950 states and 1273 transitions. [2023-12-25 06:04:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:04:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2023-12-25 06:04:39,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:39,562 INFO L225 Difference]: With dead ends: 950 [2023-12-25 06:04:39,562 INFO L226 Difference]: Without dead ends: 746 [2023-12-25 06:04:39,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:39,565 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 202 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:39,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 339 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:04:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2023-12-25 06:04:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 710. [2023-12-25 06:04:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 507 states have (on average 1.291913214990138) internal successors, (655), 553 states have internal predecessors, (655), 111 states have call successors, (111), 83 states have call predecessors, (111), 91 states have return successors, (143), 101 states have call predecessors, (143), 111 states have call successors, (143) [2023-12-25 06:04:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 909 transitions. [2023-12-25 06:04:39,636 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 909 transitions. Word has length 42 [2023-12-25 06:04:39,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:39,636 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 909 transitions. [2023-12-25 06:04:39,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-25 06:04:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 909 transitions. [2023-12-25 06:04:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-25 06:04:39,638 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:39,639 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-25 06:04:39,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:39,841 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 06:04:39,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:39,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:39,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1194786365, now seen corresponding path program 1 times [2023-12-25 06:04:39,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:39,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898997843] [2023-12-25 06:04:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:39,843 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 06:04:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:39,844 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 06:04:39,873 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 06:04:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:39,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:39,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:39,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:39,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:39,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898997843] [2023-12-25 06:04:39,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898997843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:39,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:39,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:39,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418676222] [2023-12-25 06:04:39,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:39,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:39,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:39,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:39,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:39,945 INFO L87 Difference]: Start difference. First operand 710 states and 909 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:04:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:40,011 INFO L93 Difference]: Finished difference Result 1543 states and 1989 transitions. [2023-12-25 06:04:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:40,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2023-12-25 06:04:40,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:40,016 INFO L225 Difference]: With dead ends: 1543 [2023-12-25 06:04:40,016 INFO L226 Difference]: Without dead ends: 835 [2023-12-25 06:04:40,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 06:04:40,020 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 46 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:40,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 108 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:40,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2023-12-25 06:04:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 827. [2023-12-25 06:04:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 591 states have (on average 1.2859560067681894) internal successors, (760), 644 states have internal predecessors, (760), 129 states have call successors, (129), 98 states have call predecessors, (129), 106 states have return successors, (167), 118 states have call predecessors, (167), 129 states have call successors, (167) [2023-12-25 06:04:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1056 transitions. [2023-12-25 06:04:40,076 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1056 transitions. Word has length 67 [2023-12-25 06:04:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:40,076 INFO L495 AbstractCegarLoop]: Abstraction has 827 states and 1056 transitions. [2023-12-25 06:04:40,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:04:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1056 transitions. [2023-12-25 06:04:40,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-25 06:04:40,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:40,079 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:40,084 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 06:04:40,282 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 06:04:40,283 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:40,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1805836942, now seen corresponding path program 1 times [2023-12-25 06:04:40,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:40,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305687113] [2023-12-25 06:04:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:40,284 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 06:04:40,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:40,285 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 06:04:40,312 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 06:04:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:40,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:40,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:40,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-25 06:04:40,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:40,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305687113] [2023-12-25 06:04:40,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305687113] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:40,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:40,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-25 06:04:40,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810602601] [2023-12-25 06:04:40,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:40,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 06:04:40,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:40,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 06:04:40,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:04:40,536 INFO L87 Difference]: Start difference. First operand 827 states and 1056 transitions. Second operand has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (14), 4 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-12-25 06:04:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:40,952 INFO L93 Difference]: Finished difference Result 1896 states and 2517 transitions. [2023-12-25 06:04:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 06:04:40,952 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (14), 4 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 74 [2023-12-25 06:04:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:40,957 INFO L225 Difference]: With dead ends: 1896 [2023-12-25 06:04:40,957 INFO L226 Difference]: Without dead ends: 1184 [2023-12-25 06:04:40,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-12-25 06:04:40,960 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 170 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:40,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 711 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:04:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2023-12-25 06:04:41,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1047. [2023-12-25 06:04:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 741 states have (on average 1.2645074224021593) internal successors, (937), 810 states have internal predecessors, (937), 165 states have call successors, (165), 134 states have call predecessors, (165), 140 states have return successors, (212), 149 states have call predecessors, (212), 165 states have call successors, (212) [2023-12-25 06:04:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1314 transitions. [2023-12-25 06:04:41,040 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1314 transitions. Word has length 74 [2023-12-25 06:04:41,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:41,041 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1314 transitions. [2023-12-25 06:04:41,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (14), 4 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-12-25 06:04:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1314 transitions. [2023-12-25 06:04:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-25 06:04:41,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:41,043 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:41,048 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 06:04:41,246 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 06:04:41,246 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:41,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1259341293, now seen corresponding path program 1 times [2023-12-25 06:04:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:41,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773280858] [2023-12-25 06:04:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:41,248 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 06:04:41,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:41,249 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 06:04:41,273 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 06:04:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:41,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:04:41,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 101 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 06:04:41,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 62 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 06:04:41,753 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:41,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773280858] [2023-12-25 06:04:41,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773280858] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:41,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:41,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-25 06:04:41,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160941315] [2023-12-25 06:04:41,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:41,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-25 06:04:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:41,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-25 06:04:41,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-12-25 06:04:41,755 INFO L87 Difference]: Start difference. First operand 1047 states and 1314 transitions. Second operand has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 16 states have internal predecessors, (126), 10 states have call successors, (22), 5 states have call predecessors, (22), 8 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) [2023-12-25 06:04:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:42,715 INFO L93 Difference]: Finished difference Result 3568 states and 4784 transitions. [2023-12-25 06:04:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-25 06:04:42,716 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 16 states have internal predecessors, (126), 10 states have call successors, (22), 5 states have call predecessors, (22), 8 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) Word has length 132 [2023-12-25 06:04:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:42,727 INFO L225 Difference]: With dead ends: 3568 [2023-12-25 06:04:42,727 INFO L226 Difference]: Without dead ends: 2523 [2023-12-25 06:04:42,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2023-12-25 06:04:42,732 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 694 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:42,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 568 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:04:42,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2023-12-25 06:04:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2389. [2023-12-25 06:04:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 1666 states have (on average 1.2593037214885954) internal successors, (2098), 1848 states have internal predecessors, (2098), 381 states have call successors, (381), 320 states have call predecessors, (381), 341 states have return successors, (565), 337 states have call predecessors, (565), 381 states have call successors, (565) [2023-12-25 06:04:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3044 transitions. [2023-12-25 06:04:42,916 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3044 transitions. Word has length 132 [2023-12-25 06:04:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:42,916 INFO L495 AbstractCegarLoop]: Abstraction has 2389 states and 3044 transitions. [2023-12-25 06:04:42,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 16 states have internal predecessors, (126), 10 states have call successors, (22), 5 states have call predecessors, (22), 8 states have return successors, (24), 8 states have call predecessors, (24), 10 states have call successors, (24) [2023-12-25 06:04:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3044 transitions. [2023-12-25 06:04:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-25 06:04:42,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:42,920 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:04:42,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-25 06:04:43,123 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 06:04:43,124 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:43,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:43,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1172588503, now seen corresponding path program 1 times [2023-12-25 06:04:43,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:43,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230586308] [2023-12-25 06:04:43,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:43,125 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 06:04:43,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:43,126 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 06:04:43,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 06:04:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:43,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-25 06:04:43,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 137 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-25 06:04:43,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 84 proven. 39 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-25 06:04:43,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:43,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230586308] [2023-12-25 06:04:43,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230586308] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:43,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:43,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-25 06:04:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83449176] [2023-12-25 06:04:43,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:43,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:04:43,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:43,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:04:43,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:43,542 INFO L87 Difference]: Start difference. First operand 2389 states and 3044 transitions. Second operand has 14 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (25), 4 states have call predecessors, (25), 10 states have return successors, (27), 8 states have call predecessors, (27), 6 states have call successors, (27) [2023-12-25 06:04:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:44,085 INFO L93 Difference]: Finished difference Result 4753 states and 6117 transitions. [2023-12-25 06:04:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 06:04:44,086 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (25), 4 states have call predecessors, (25), 10 states have return successors, (27), 8 states have call predecessors, (27), 6 states have call successors, (27) Word has length 142 [2023-12-25 06:04:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:44,098 INFO L225 Difference]: With dead ends: 4753 [2023-12-25 06:04:44,098 INFO L226 Difference]: Without dead ends: 2479 [2023-12-25 06:04:44,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-12-25 06:04:44,106 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 166 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:44,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 419 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:04:44,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2023-12-25 06:04:44,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2295. [2023-12-25 06:04:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 1605 states have (on average 1.2517133956386293) internal successors, (2009), 1769 states have internal predecessors, (2009), 349 states have call successors, (349), 309 states have call predecessors, (349), 340 states have return successors, (507), 323 states have call predecessors, (507), 349 states have call successors, (507) [2023-12-25 06:04:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2865 transitions. [2023-12-25 06:04:44,279 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2865 transitions. Word has length 142 [2023-12-25 06:04:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:44,280 INFO L495 AbstractCegarLoop]: Abstraction has 2295 states and 2865 transitions. [2023-12-25 06:04:44,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (25), 4 states have call predecessors, (25), 10 states have return successors, (27), 8 states have call predecessors, (27), 6 states have call successors, (27) [2023-12-25 06:04:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2865 transitions. [2023-12-25 06:04:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-25 06:04:44,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:44,285 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:04:44,290 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 06:04:44,488 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 06:04:44,488 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:44,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 168599018, now seen corresponding path program 1 times [2023-12-25 06:04:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:44,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714216398] [2023-12-25 06:04:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:44,489 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 06:04:44,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:44,490 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 06:04:44,548 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 06:04:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:44,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-25 06:04:44,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-25 06:04:44,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:44,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:44,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714216398] [2023-12-25 06:04:44,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714216398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:44,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:44,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407130744] [2023-12-25 06:04:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:44,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:44,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:44,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:44,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:44,727 INFO L87 Difference]: Start difference. First operand 2295 states and 2865 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 06:04:45,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:45,027 INFO L93 Difference]: Finished difference Result 6699 states and 8469 transitions. [2023-12-25 06:04:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:45,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 143 [2023-12-25 06:04:45,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:45,047 INFO L225 Difference]: With dead ends: 6699 [2023-12-25 06:04:45,047 INFO L226 Difference]: Without dead ends: 4406 [2023-12-25 06:04:45,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:45,054 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 25 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:45,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 188 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:45,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2023-12-25 06:04:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 4316. [2023-12-25 06:04:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 3027 states have (on average 1.231252064750578) internal successors, (3727), 3330 states have internal predecessors, (3727), 642 states have call successors, (642), 582 states have call predecessors, (642), 646 states have return successors, (958), 604 states have call predecessors, (958), 642 states have call successors, (958) [2023-12-25 06:04:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 5327 transitions. [2023-12-25 06:04:45,384 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 5327 transitions. Word has length 143 [2023-12-25 06:04:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:45,384 INFO L495 AbstractCegarLoop]: Abstraction has 4316 states and 5327 transitions. [2023-12-25 06:04:45,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 06:04:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 5327 transitions. [2023-12-25 06:04:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-25 06:04:45,390 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:45,390 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 06:04:45,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:45,593 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 06:04:45,594 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:45,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:45,594 INFO L85 PathProgramCache]: Analyzing trace with hash 396465478, now seen corresponding path program 1 times [2023-12-25 06:04:45,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:45,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082537607] [2023-12-25 06:04:45,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:45,595 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 06:04:45,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:45,596 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:45,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 06:04:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:45,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-25 06:04:45,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-25 06:04:45,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:45,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:45,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082537607] [2023-12-25 06:04:45,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082537607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:45,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:45,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:45,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814310798] [2023-12-25 06:04:45,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:45,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:45,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:45,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:45,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:45,730 INFO L87 Difference]: Start difference. First operand 4316 states and 5327 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 06:04:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:46,021 INFO L93 Difference]: Finished difference Result 8326 states and 10315 transitions. [2023-12-25 06:04:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:46,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 147 [2023-12-25 06:04:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:46,038 INFO L225 Difference]: With dead ends: 8326 [2023-12-25 06:04:46,039 INFO L226 Difference]: Without dead ends: 4012 [2023-12-25 06:04:46,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:46,051 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 37 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:46,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 233 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2023-12-25 06:04:46,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 3948. [2023-12-25 06:04:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2799 states have (on average 1.2172204358699537) internal successors, (3407), 3050 states have internal predecessors, (3407), 574 states have call successors, (574), 526 states have call predecessors, (574), 574 states have return successors, (778), 544 states have call predecessors, (778), 574 states have call successors, (778) [2023-12-25 06:04:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4759 transitions. [2023-12-25 06:04:46,374 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4759 transitions. Word has length 147 [2023-12-25 06:04:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:46,374 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 4759 transitions. [2023-12-25 06:04:46,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 06:04:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4759 transitions. [2023-12-25 06:04:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-25 06:04:46,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:46,379 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 06:04:46,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:46,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:46,583 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:46,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:46,583 INFO L85 PathProgramCache]: Analyzing trace with hash -969959922, now seen corresponding path program 2 times [2023-12-25 06:04:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:46,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065663089] [2023-12-25 06:04:46,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 06:04:46,584 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 06:04:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:46,585 INFO L229 MonitoredProcess]: Starting monitored process 16 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 06:04:46,614 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 (16)] Waiting until timeout for monitored process [2023-12-25 06:04:46,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 06:04:46,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 06:04:46,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-25 06:04:46,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 51 proven. 73 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-25 06:04:46,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 26 proven. 92 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-25 06:04:47,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:47,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065663089] [2023-12-25 06:04:47,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065663089] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:47,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:47,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2023-12-25 06:04:47,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321799612] [2023-12-25 06:04:47,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:47,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-25 06:04:47,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:47,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-25 06:04:47,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-12-25 06:04:47,415 INFO L87 Difference]: Start difference. First operand 3948 states and 4759 transitions. Second operand has 17 states, 17 states have (on average 9.470588235294118) internal successors, (161), 17 states have internal predecessors, (161), 14 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) [2023-12-25 06:04:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:48,217 INFO L93 Difference]: Finished difference Result 6360 states and 7914 transitions. [2023-12-25 06:04:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 06:04:48,218 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.470588235294118) internal successors, (161), 17 states have internal predecessors, (161), 14 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) Word has length 147 [2023-12-25 06:04:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:48,230 INFO L225 Difference]: With dead ends: 6360 [2023-12-25 06:04:48,231 INFO L226 Difference]: Without dead ends: 3206 [2023-12-25 06:04:48,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-25 06:04:48,242 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 652 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:48,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 648 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 06:04:48,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2023-12-25 06:04:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2880. [2023-12-25 06:04:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2063 states have (on average 1.1783809985458071) internal successors, (2431), 2201 states have internal predecessors, (2431), 425 states have call successors, (425), 389 states have call predecessors, (425), 391 states have return successors, (467), 384 states have call predecessors, (467), 425 states have call successors, (467) [2023-12-25 06:04:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3323 transitions. [2023-12-25 06:04:48,529 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3323 transitions. Word has length 147 [2023-12-25 06:04:48,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:48,529 INFO L495 AbstractCegarLoop]: Abstraction has 2880 states and 3323 transitions. [2023-12-25 06:04:48,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.470588235294118) internal successors, (161), 17 states have internal predecessors, (161), 14 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) [2023-12-25 06:04:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3323 transitions. [2023-12-25 06:04:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-25 06:04:48,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:48,536 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 06:04:48,541 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 (16)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:48,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 06:04:48,740 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:48,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:48,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2138570203, now seen corresponding path program 1 times [2023-12-25 06:04:48,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534357879] [2023-12-25 06:04:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:48,741 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 06:04:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:48,769 INFO L229 MonitoredProcess]: Starting monitored process 17 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 06:04:48,816 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 (17)] Waiting until timeout for monitored process [2023-12-25 06:04:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:48,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-25 06:04:48,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 122 proven. 60 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-25 06:04:49,077 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 78 proven. 101 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-25 06:04:49,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:49,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534357879] [2023-12-25 06:04:49,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534357879] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:49,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:49,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2023-12-25 06:04:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116070056] [2023-12-25 06:04:49,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:49,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-25 06:04:49,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-25 06:04:49,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2023-12-25 06:04:49,538 INFO L87 Difference]: Start difference. First operand 2880 states and 3323 transitions. Second operand has 22 states, 22 states have (on average 7.863636363636363) internal successors, (173), 21 states have internal predecessors, (173), 14 states have call successors, (32), 7 states have call predecessors, (32), 13 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35) [2023-12-25 06:04:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:50,243 INFO L93 Difference]: Finished difference Result 4560 states and 5305 transitions. [2023-12-25 06:04:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 06:04:50,244 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.863636363636363) internal successors, (173), 21 states have internal predecessors, (173), 14 states have call successors, (32), 7 states have call predecessors, (32), 13 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35) Word has length 177 [2023-12-25 06:04:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:50,245 INFO L225 Difference]: With dead ends: 4560 [2023-12-25 06:04:50,245 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:04:50,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2023-12-25 06:04:50,253 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 663 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:50,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 527 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:04:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:04:50,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:04:50,253 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 06:04:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:04:50,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2023-12-25 06:04:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:50,254 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:04:50,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.863636363636363) internal successors, (173), 21 states have internal predecessors, (173), 14 states have call successors, (32), 7 states have call predecessors, (32), 13 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35) [2023-12-25 06:04:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:04:50,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:04:50,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:04:50,263 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 (17)] Ended with exit code 0 [2023-12-25 06:04:50,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 06:04:50,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:05:04,770 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2023-12-25 06:05:04,771 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 160 167) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= |old(~pumpRunning~0)| (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not .cse10)) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (and .cse6 .cse10 (not .cse0))) (.cse5 (= ~waterLevel~0 (_ bv3 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse3) (or .cse6 .cse0 .cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse8 .cse3) (or .cse0 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5)))) [2023-12-25 06:05:04,771 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2023-12-25 06:05:04,771 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2023-12-25 06:05:04,771 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2023-12-25 06:05:04,786 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 937) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse6 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse7 (and .cse1 (not .cse0))) (.cse5 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse10 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse8 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv0 32)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2) (or .cse0 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse6 .cse2 .cse4 .cse7) (or .cse5 .cse6 .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse10 .cse2) (or .cse5 .cse3 .cse8 .cse9) (or .cse0 .cse10 .cse8 .cse9 .cse4) (or .cse0 .cse10 .cse2 .cse4 .cse7) (or .cse5 .cse10 .cse8 .cse9)))) [2023-12-25 06:05:04,786 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 926 937) no Hoare annotation was computed. [2023-12-25 06:05:04,786 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2023-12-25 06:05:04,786 INFO L902 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2023-12-25 06:05:04,786 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2023-12-25 06:05:04,786 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2023-12-25 06:05:04,786 INFO L899 garLoopResultBuilder]: For program point L782(lines 757 786) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 786) the Hoare annotation is: true [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L902 garLoopResultBuilder]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2023-12-25 06:05:04,787 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse22 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse25 (not .cse0)) (.cse15 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse24 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse26 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse21 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse14 (and .cse12 .cse20 .cse21)) (.cse9 (and .cse26 .cse21)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse18 (and .cse11 .cse26)) (.cse7 (not .cse20)) (.cse19 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse10 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse24)) (.cse6 (not .cse15)) (.cse13 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse16 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse17 (and .cse23 .cse25)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse22))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 (and .cse11 .cse2 .cse12) .cse8 .cse4 .cse5) (or .cse13 .cse10 .cse14 .cse7 .cse15 .cse8) (or .cse6 .cse13 .cse0 .cse16 .cse3 .cse17 .cse4) (or .cse10 .cse14 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse18) (or .cse13 .cse7 .cse15 .cse1 .cse3 (and .cse19 .cse20 .cse21)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse16 .cse1 .cse3 (and .cse11 .cse22 .cse19 .cse23 .cse24 .cse25) .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse10 .cse7 .cse2 .cse3 .cse5) (or .cse6 .cse0 .cse3 .cse4 .cse18) (or (and .cse19 .cse21) .cse7 .cse1 .cse8) (or .cse13 (and .cse11 .cse19 .cse23 .cse25) .cse0 .cse16 .cse1 .cse8 .cse4) (or .cse13 .cse0 .cse10 .cse16 .cse3 .cse4 (and .cse11 .cse22 .cse12 .cse23 .cse24 .cse25)) (or .cse6 .cse13 .cse0 .cse16 .cse17 .cse8 .cse4))))) [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2023-12-25 06:05:04,787 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2023-12-25 06:05:04,788 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse9 (= |timeShift_processEnvironment_~tmp~1#1| (_ bv0 32)))) (let ((.cse14 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv0 32)) .cse9)) (.cse3 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse12 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse2 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse11 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not .cse13)) (.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 (and .cse7 .cse8 .cse9 (= ~waterLevel~0 (_ bv1 32))) .cse10 .cse5) (or .cse11 .cse12 .cse10) (or .cse0 .cse2 .cse11 .cse13 .cse10) (or .cse11 .cse12 .cse4) (or .cse1 .cse2 .cse10 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) .cse14) (or .cse0 .cse1 .cse3 .cse12 .cse10 .cse5 .cse14) (or .cse0 .cse1 .cse3 .cse12 .cse4 .cse5) (or .cse6 .cse11 .cse10) (or .cse0 .cse2 .cse11 .cse13 .cse4) (or .cse6 .cse11 .cse4) (or .cse6 .cse1 .cse4 .cse5)))) [2023-12-25 06:05:04,788 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 92) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse22 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse25 (not .cse0)) (.cse15 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse24 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse26 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse21 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse14 (and .cse12 .cse20 .cse21)) (.cse9 (and .cse26 .cse21)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse18 (and .cse11 .cse26)) (.cse7 (not .cse20)) (.cse19 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse10 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse24)) (.cse6 (not .cse15)) (.cse13 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse16 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse17 (and .cse23 .cse25)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse22))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 (and .cse11 .cse2 .cse12) .cse8 .cse4 .cse5) (or .cse13 .cse10 .cse14 .cse7 .cse15 .cse8) (or .cse6 .cse13 .cse0 .cse16 .cse3 .cse17 .cse4) (or .cse10 .cse14 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse18) (or .cse13 .cse7 .cse15 .cse1 .cse3 (and .cse19 .cse20 .cse21)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse16 .cse1 .cse3 (and .cse11 .cse22 .cse19 .cse23 .cse24 .cse25) .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse10 .cse7 .cse2 .cse3 .cse5) (or .cse6 .cse0 .cse3 .cse4 .cse18) (or (and .cse19 .cse21) .cse7 .cse1 .cse8) (or .cse13 (and .cse11 .cse19 .cse23 .cse25) .cse0 .cse16 .cse1 .cse8 .cse4) (or .cse13 .cse0 .cse10 .cse16 .cse3 .cse4 (and .cse11 .cse22 .cse12 .cse23 .cse24 .cse25)) (or .cse6 .cse13 .cse0 .cse16 .cse17 .cse8 .cse4))))) [2023-12-25 06:05:04,788 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse14 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= |timeShift_processEnvironment_~tmp~1#1| (_ bv1 32))) (.cse7 (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (let ((.cse13 (and .cse5 .cse6 .cse7 (= ~waterLevel~0 (_ bv0 32)))) (.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse11 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse4 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse0 (not .cse14)) (.cse12 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 (and .cse5 .cse6 .cse7 (= ~waterLevel~0 (_ bv1 32))) .cse8 .cse3) (or .cse9 .cse1 .cse10 .cse11 .cse2 .cse3) (or .cse12 .cse11 .cse2) (or .cse9 .cse13 .cse1 .cse4 .cse10 .cse8 .cse3) (or .cse9 .cse4 .cse12 .cse14 .cse2) (or .cse13 .cse1 .cse10 .cse11 .cse8 .cse3) (or .cse12 .cse11 .cse8) (or .cse0 .cse12 .cse2) (or .cse9 .cse4 .cse12 .cse14 .cse8) (or .cse0 .cse12 .cse8)))) [2023-12-25 06:05:04,789 INFO L895 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse19 (= (_ bv1 32) ~pumpRunning~0)) (.cse15 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse20 (= (_ bv0 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|)) (.cse21 (= ~waterLevel~0 (_ bv0 32))) (.cse22 (= (_ bv0 32) |old(~waterLevel~0)|)) (.cse16 (= ~waterLevel~0 (_ bv1 32))) (.cse17 (= (_ bv1 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|)) (.cse18 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (and .cse16 .cse17 .cse18)) (.cse12 (and .cse20 .cse21 .cse22 .cse18)) (.cse0 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse11 (not .cse22)) (.cse10 (and .cse19 .cse20 .cse15 .cse21)) (.cse7 (= ~systemActive~0 (_ bv0 32))) (.cse13 (and .cse20 .cse15 .cse21 .cse18)) (.cse8 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse14 (not .cse2)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse6 .cse4) (or .cse0 .cse7 .cse8 .cse3 .cse5 .cse9 .cse10) (or .cse0 .cse11 .cse12 .cse1 .cse2 .cse5) (or .cse0 .cse11 .cse12 .cse1 .cse2 .cse6) (or .cse0 .cse7 .cse11 .cse13 .cse8 .cse6 .cse9) (or .cse14 .cse7 .cse6 (and .cse15 .cse16 .cse17 .cse18) .cse9) (or .cse7 .cse11 .cse5 .cse9 .cse10 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse14 .cse7 .cse5 (and .cse19 .cse15 .cse16 .cse17) .cse9) (or .cse7 .cse13 .cse8 .cse3 .cse6 .cse9) (or .cse14 .cse1 .cse5) (or .cse14 .cse1 .cse6)))) [2023-12-25 06:05:04,792 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2023-12-25 06:05:04,792 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse14 (not .cse6)) (.cse15 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse14 .cse15)) (.cse12 (and (= ~waterLevel~0 (_ bv2 32)) .cse14 .cse15)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse8 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse13 (and (= ~waterLevel~0 (_ bv0 32)) .cse14 .cse15)) (.cse7 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not .cse2)) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse6 .cse4 .cse10) (or .cse6 .cse7 .cse4 .cse10 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse3 .cse9 .cse5) (or .cse0 .cse6 .cse8 .cse3 .cse4 .cse10) (or .cse11 .cse0 .cse12 .cse1 .cse9) (or .cse0 .cse13 .cse7 .cse1 .cse2 .cse4) (or .cse11 .cse12 .cse1 .cse4) (or .cse0 .cse6 .cse8 .cse3 .cse9 .cse10) (or .cse0 .cse13 .cse7 .cse1 .cse2 .cse9) (or .cse11 .cse6 .cse9 .cse10))))) [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L906-2(lines 902 913) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L333(lines 270 337) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L300-1(lines 300 306) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2023-12-25 06:05:04,793 INFO L895 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L842-2(lines 842 849) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 310 325) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse8 .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse9 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse0 .cse9 .cse8 .cse6 .cse3 .cse4) (and .cse2 .cse9 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse9 .cse3 .cse4))) [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 (not (= ~switchedOnBeforeTS~0 (_ bv0 32))) .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse8 .cse3 .cse4))) [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 329) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse3 .cse4) (and .cse0 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4))) [2023-12-25 06:05:04,794 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse3 .cse7 .cse8) (or .cse0 .cse9 .cse1 .cse4) (or .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse8) (or .cse5 .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse9 .cse1 .cse3))) [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2023-12-25 06:05:04,794 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 125) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse5 .cse8 .cse3) (or .cse0 .cse1 .cse9 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4) (or .cse6 .cse0 .cse7 .cse9 .cse5 .cse8) (or .cse0 .cse10 .cse1 .cse5 .cse4) (or .cse0 .cse10 .cse1 .cse2 .cse4))) [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 979 992) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse8 (and .cse4 .cse5)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse12 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse13 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse10 (and (not .cse0) .cse4 .cse5)) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse8) (or .cse0 .cse1 .cse9 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse9 .cse8) (or .cse3 .cse0 .cse1 .cse9 .cse6) (or .cse0 .cse10 .cse11 .cse1 .cse2) (or .cse0 .cse12 .cse7 .cse9 .cse13) (or .cse0 .cse12 .cse9 .cse13 .cse6) (or .cse0 .cse10 .cse11 .cse1 .cse9)))) [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 914 925) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 925) the Hoare annotation is: (let ((.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse10 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse9 .cse4) (or .cse10 .cse11 .cse6 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse6 .cse8) (or .cse10 .cse11 .cse0 .cse8 .cse5) (or .cse6 .cse1 .cse8 .cse2) (or .cse10 .cse11 .cse0 .cse4 .cse5))) [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2023-12-25 06:05:04,795 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-12-25 06:05:04,797 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:04,799 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:05:04,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:05:04 BoogieIcfgContainer [2023-12-25 06:05:04,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:05:04,808 INFO L158 Benchmark]: Toolchain (without parser) took 29878.13ms. Allocated memory was 253.8MB in the beginning and 1.1GB in the end (delta: 824.2MB). Free memory was 204.3MB in the beginning and 433.0MB in the end (delta: -228.7MB). Peak memory consumption was 651.9MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,808 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:05:04,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.31ms. Allocated memory is still 253.8MB. Free memory was 204.1MB in the beginning and 177.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.93ms. Allocated memory is still 253.8MB. Free memory was 177.9MB in the beginning and 175.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,809 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 253.8MB. Free memory was 175.4MB in the beginning and 172.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,809 INFO L158 Benchmark]: RCFGBuilder took 456.78ms. Allocated memory is still 253.8MB. Free memory was 172.9MB in the beginning and 221.6MB in the end (delta: -48.7MB). Peak memory consumption was 32.9MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,809 INFO L158 Benchmark]: TraceAbstraction took 28861.21ms. Allocated memory was 253.8MB in the beginning and 1.1GB in the end (delta: 824.2MB). Free memory was 220.5MB in the beginning and 433.0MB in the end (delta: -212.5MB). Peak memory consumption was 667.2MB. Max. memory is 8.0GB. [2023-12-25 06:05:04,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.31ms. Allocated memory is still 253.8MB. Free memory was 204.1MB in the beginning and 177.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.93ms. Allocated memory is still 253.8MB. Free memory was 177.9MB in the beginning and 175.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 253.8MB. Free memory was 175.4MB in the beginning and 172.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 456.78ms. Allocated memory is still 253.8MB. Free memory was 172.9MB in the beginning and 221.6MB in the end (delta: -48.7MB). Peak memory consumption was 32.9MB. Max. memory is 8.0GB. * TraceAbstraction took 28861.21ms. Allocated memory was 253.8MB in the beginning and 1.1GB in the end (delta: 824.2MB). Free memory was 220.5MB in the beginning and 433.0MB in the end (delta: -212.5MB). Peak memory consumption was 667.2MB. 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: 266]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] - GenericResultAtLocation [Line: 338]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] - GenericResultAtLocation [Line: 704]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] - GenericResultAtLocation [Line: 864]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] * 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: 860]: 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, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.8s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2897 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2836 mSDsluCounter, 4952 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3500 mSDsCounter, 1075 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4217 IncrementalHoareTripleChecker+Invalid, 5292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1075 mSolverCounterUnsat, 1452 mSDtfsCounter, 4217 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2028 GetRequests, 1871 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4316occurred in iteration=13, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 1003 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 6296 PreInvPairs, 6775 NumberOfFragments, 3910 HoareAnnotationTreeSize, 6296 FormulaSimplifications, 28946 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 24 FormulaSimplificationsInter, 54150 FormulaSimplificationTreeSizeReductionInter, 12.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1285 NumberOfCodeBlocks, 1285 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1936 ConstructedInterpolants, 0 QuantifiedInterpolants, 5201 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2789 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 1592/2020 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: 280]: Loop Invariant Derived loop invariant: ((((((((((((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && !((systemActive == 0))) && (splverifierCounter == 0)) || ((((waterLevel == 1) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 1)) && !((systemActive == 0))) && (splverifierCounter == 0))) || ((((waterLevel == 2) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 0) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 1)) && !((systemActive == 0))) && (splverifierCounter == 0))) || ((((waterLevel == 2) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 0)) && !((systemActive == 0))) && (splverifierCounter == 0))) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:05:04,830 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...