/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:39:51,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:39:51,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:39:51,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:39:51,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:39:51,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:39:51,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:39:51,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:39:51,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:39:51,203 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:39:51,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:39:51,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:39:51,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:39:51,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:39:51,205 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:39:51,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:39:51,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:39:51,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:39:51,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:39:51,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:39:51,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:39:51,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:39:51,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:39:51,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:39:51,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:39:51,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:39:51,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:39:51,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:39:51,211 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:39:51,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:39:51,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:39:51,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:39:51,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:39:51,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:39:51,444 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:39:51,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2023-12-16 17:39:52,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:39:52,792 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:39:52,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2023-12-16 17:39:52,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be20aa559/10a510cc57ad4483868fa5ab6b56b1bf/FLAG616ab7e7f [2023-12-16 17:39:52,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be20aa559/10a510cc57ad4483868fa5ab6b56b1bf [2023-12-16 17:39:52,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:39:52,850 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:39:52,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:39:52,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:39:52,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:39:52,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:39:52" (1/1) ... [2023-12-16 17:39:52,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cac6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:52, skipping insertion in model container [2023-12-16 17:39:52,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:39:52" (1/1) ... [2023-12-16 17:39:52,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:39:53,084 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2023-12-16 17:39:53,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:53,164 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:39:53,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:39:53,203 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2023-12-16 17:39:53,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:53,238 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:39:53,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-16 17:39:53,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [155] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [255] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [433] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [523] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [532] [2023-12-16 17:39:53,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [571] [2023-12-16 17:39:53,258 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2023-12-16 17:39:53,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:39:53,286 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:39:53,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53 WrapperNode [2023-12-16 17:39:53,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:39:53,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:39:53,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:39:53,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:39:53,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,330 INFO L138 Inliner]: procedures = 56, calls = 96, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 159 [2023-12-16 17:39:53,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:39:53,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:39:53,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:39:53,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:39:53,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,353 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]. [2023-12-16 17:39:53,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:39:53,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:39:53,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:39:53,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:39:53,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (1/1) ... [2023-12-16 17:39:53,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:39:53,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:39:53,412 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) [2023-12-16 17:39:53,432 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 [2023-12-16 17:39:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:39:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:39:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:39:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:39:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:39:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:39:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:39:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:39:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:39:53,545 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:39:53,547 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:39:53,738 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:39:53,845 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:39:53,845 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:39:53,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:39:53 BoogieIcfgContainer [2023-12-16 17:39:53,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:39:53,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:39:53,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:39:53,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:39:53,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:39:52" (1/3) ... [2023-12-16 17:39:53,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f44771f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:39:53, skipping insertion in model container [2023-12-16 17:39:53,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:39:53" (2/3) ... [2023-12-16 17:39:53,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f44771f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:39:53, skipping insertion in model container [2023-12-16 17:39:53,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:39:53" (3/3) ... [2023-12-16 17:39:53,877 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2023-12-16 17:39:53,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:39:53,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:39:53,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:39:53,949 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;@efd1735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:39:53,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:39:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 46 states have internal predecessors, (63), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-16 17:39:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:39:53,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:53,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:53,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:53,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:53,963 INFO L85 PathProgramCache]: Analyzing trace with hash -283361529, now seen corresponding path program 1 times [2023-12-16 17:39:53,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:53,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448307195] [2023-12-16 17:39:53,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:53,983 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 [2023-12-16 17:39:53,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:53,985 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) [2023-12-16 17:39:53,987 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 [2023-12-16 17:39:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:54,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:39:54,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:54,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:54,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:54,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448307195] [2023-12-16 17:39:54,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448307195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:54,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:54,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:39:54,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933077824] [2023-12-16 17:39:54,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:54,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:39:54,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:54,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:39:54,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:39:54,201 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 46 states have internal predecessors, (63), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:54,273 INFO L93 Difference]: Finished difference Result 112 states and 163 transitions. [2023-12-16 17:39:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:39:54,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-16 17:39:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:54,288 INFO L225 Difference]: With dead ends: 112 [2023-12-16 17:39:54,288 INFO L226 Difference]: Without dead ends: 52 [2023-12-16 17:39:54,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:39:54,292 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:54,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:39:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-16 17:39:54,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-16 17:39:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 42 states have internal predecessors, (53), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 17:39:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2023-12-16 17:39:54,366 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 17 [2023-12-16 17:39:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:54,380 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 70 transitions. [2023-12-16 17:39:54,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-12-16 17:39:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:39:54,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:54,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:54,396 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 [2023-12-16 17:39:54,587 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 [2023-12-16 17:39:54,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:54,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:54,588 INFO L85 PathProgramCache]: Analyzing trace with hash 662220507, now seen corresponding path program 1 times [2023-12-16 17:39:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540430971] [2023-12-16 17:39:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:54,589 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 [2023-12-16 17:39:54,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:54,592 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) [2023-12-16 17:39:54,625 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 [2023-12-16 17:39:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:54,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:39:54,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:54,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:54,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:54,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540430971] [2023-12-16 17:39:54,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540430971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:54,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:54,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:39:54,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212426466] [2023-12-16 17:39:54,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:54,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:39:54,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:54,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:39:54,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:54,667 INFO L87 Difference]: Start difference. First operand 52 states and 70 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:54,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:54,701 INFO L93 Difference]: Finished difference Result 77 states and 103 transitions. [2023-12-16 17:39:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:39:54,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-16 17:39:54,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:54,702 INFO L225 Difference]: With dead ends: 77 [2023-12-16 17:39:54,702 INFO L226 Difference]: Without dead ends: 44 [2023-12-16 17:39:54,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:54,703 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 86 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 [2023-12-16 17:39:54,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-16 17:39:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-16 17:39:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.46875) internal successors, (47), 37 states have internal predecessors, (47), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-16 17:39:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2023-12-16 17:39:54,708 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 18 [2023-12-16 17:39:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:54,708 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2023-12-16 17:39:54,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2023-12-16 17:39:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:39:54,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:54,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:54,714 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 [2023-12-16 17:39:54,911 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 [2023-12-16 17:39:54,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:54,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 806899730, now seen corresponding path program 1 times [2023-12-16 17:39:54,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:54,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88662968] [2023-12-16 17:39:54,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:54,913 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 [2023-12-16 17:39:54,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:54,928 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) [2023-12-16 17:39:54,939 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 [2023-12-16 17:39:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:54,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:39:54,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:55,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:55,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:55,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88662968] [2023-12-16 17:39:55,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88662968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:55,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:55,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:39:55,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099972934] [2023-12-16 17:39:55,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:55,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:39:55,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:39:55,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:55,016 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:55,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:55,046 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2023-12-16 17:39:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:39:55,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-16 17:39:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:55,047 INFO L225 Difference]: With dead ends: 86 [2023-12-16 17:39:55,047 INFO L226 Difference]: Without dead ends: 44 [2023-12-16 17:39:55,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:39:55,048 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:55,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 48 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-16 17:39:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-16 17:39:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.4375) internal successors, (46), 37 states have internal predecessors, (46), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-16 17:39:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-12-16 17:39:55,053 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 21 [2023-12-16 17:39:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:55,053 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-12-16 17:39:55,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:39:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-12-16 17:39:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:39:55,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:55,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:55,059 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 [2023-12-16 17:39:55,256 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 [2023-12-16 17:39:55,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:55,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash -960926020, now seen corresponding path program 1 times [2023-12-16 17:39:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:55,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545635525] [2023-12-16 17:39:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:55,258 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 [2023-12-16 17:39:55,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:55,259 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) [2023-12-16 17:39:55,274 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 [2023-12-16 17:39:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:55,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:39:55,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:55,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:55,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545635525] [2023-12-16 17:39:55,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545635525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:55,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:55,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:39:55,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373992407] [2023-12-16 17:39:55,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:55,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:39:55,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:55,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:39:55,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:39:55,416 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 17:39:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:55,493 INFO L93 Difference]: Finished difference Result 125 states and 169 transitions. [2023-12-16 17:39:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:39:55,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 26 [2023-12-16 17:39:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:55,494 INFO L225 Difference]: With dead ends: 125 [2023-12-16 17:39:55,495 INFO L226 Difference]: Without dead ends: 83 [2023-12-16 17:39:55,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:39:55,496 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 30 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:55,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 224 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:39:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-16 17:39:55,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2023-12-16 17:39:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 68 states have internal predecessors, (83), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2023-12-16 17:39:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 108 transitions. [2023-12-16 17:39:55,514 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 108 transitions. Word has length 26 [2023-12-16 17:39:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:55,514 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 108 transitions. [2023-12-16 17:39:55,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 17:39:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-12-16 17:39:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-16 17:39:55,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:39:55,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:39:55,523 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 [2023-12-16 17:39:55,725 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 [2023-12-16 17:39:55,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:39:55,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:39:55,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1927217024, now seen corresponding path program 1 times [2023-12-16 17:39:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:39:55,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803931490] [2023-12-16 17:39:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:39:55,727 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 [2023-12-16 17:39:55,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:39:55,728 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) [2023-12-16 17:39:55,753 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 [2023-12-16 17:39:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:39:55,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:39:55,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:39:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:39:55,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:39:55,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:39:55,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803931490] [2023-12-16 17:39:55,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803931490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:39:55,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:39:55,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:39:55,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124416044] [2023-12-16 17:39:55,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:39:55,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:39:55,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:39:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:39:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:39:55,824 INFO L87 Difference]: Start difference. First operand 82 states and 108 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:39:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:39:55,855 INFO L93 Difference]: Finished difference Result 148 states and 194 transitions. [2023-12-16 17:39:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:39:55,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2023-12-16 17:39:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:39:55,858 INFO L225 Difference]: With dead ends: 148 [2023-12-16 17:39:55,858 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:39:55,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:39:55,859 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:39:55,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:39:55,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:39:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:39:55,860 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) [2023-12-16 17:39:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:39:55,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-12-16 17:39:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:39:55,861 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:39:55,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:39:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:39:55,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:39:55,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:39:55,868 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 (6)] Ended with exit code 0 [2023-12-16 17:39:56,065 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 [2023-12-16 17:39:56,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:39:56,220 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2023-12-16 17:39:56,220 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2023-12-16 17:39:56,220 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 461 472) no Hoare annotation was computed. [2023-12-16 17:39:56,220 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 472) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 461 472) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 473 481) the Hoare annotation is: true [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 473 481) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 270 289) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L895 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L895 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L441-2(lines 437 448) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-12-16 17:39:56,221 INFO L895 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,221 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 564) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 290) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 567) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 320) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 528) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2023-12-16 17:39:56,222 INFO L899 garLoopResultBuilder]: For program point L423-2(lines 423 427) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-16 17:39:56,223 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2023-12-16 17:39:56,223 INFO L899 garLoopResultBuilder]: For program point L250(lines 191 254) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,224 INFO L895 garLoopResultBuilder]: At program point L247(lines 200 248) the Hoare annotation is: false [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L202(lines 201 246) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 242) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,224 INFO L895 garLoopResultBuilder]: At program point L244(lines 201 246) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 217) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-12-16 17:39:56,224 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-12-16 17:39:56,225 INFO L895 garLoopResultBuilder]: At program point L237-2(lines 231 242) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-16 17:39:56,225 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 449 460) no Hoare annotation was computed. [2023-12-16 17:39:56,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-12-16 17:39:56,225 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-12-16 17:39:56,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 17:39:56,228 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:39:56,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:39:56 BoogieIcfgContainer [2023-12-16 17:39:56,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:39:56,235 INFO L158 Benchmark]: Toolchain (without parser) took 3385.10ms. Allocated memory is still 323.0MB. Free memory was 282.0MB in the beginning and 187.6MB in the end (delta: 94.3MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,235 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:39:56,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.30ms. Allocated memory is still 323.0MB. Free memory was 281.6MB in the beginning and 256.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.79ms. Allocated memory is still 323.0MB. Free memory was 256.0MB in the beginning and 253.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,236 INFO L158 Benchmark]: Boogie Preprocessor took 32.60ms. Allocated memory is still 323.0MB. Free memory was 253.9MB in the beginning and 251.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,236 INFO L158 Benchmark]: RCFGBuilder took 481.59ms. Allocated memory is still 323.0MB. Free memory was 251.6MB in the beginning and 223.9MB in the end (delta: 27.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,236 INFO L158 Benchmark]: TraceAbstraction took 2387.55ms. Allocated memory is still 323.0MB. Free memory was 223.3MB in the beginning and 187.6MB in the end (delta: 35.6MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-16 17:39:56,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.30ms. Allocated memory is still 323.0MB. Free memory was 281.6MB in the beginning and 256.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.79ms. Allocated memory is still 323.0MB. Free memory was 256.0MB in the beginning and 253.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.60ms. Allocated memory is still 323.0MB. Free memory was 253.9MB in the beginning and 251.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 481.59ms. Allocated memory is still 323.0MB. Free memory was 251.6MB in the beginning and 223.9MB in the end (delta: 27.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2387.55ms. Allocated memory is still 323.0MB. Free memory was 223.3MB in the beginning and 187.6MB in the end (delta: 35.6MB). Peak memory consumption was 36.7MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [155] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] - GenericResultAtLocation [Line: 255]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [255] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [433] - GenericResultAtLocation [Line: 523]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [523] - GenericResultAtLocation [Line: 532]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [532] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [571] * 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: 528]: 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 7 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 487 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 243 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 93 PreInvPairs, 105 NumberOfFragments, 109 HoareAnnotationTreeSize, 93 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FormulaSimplificationsInter, 295 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 5 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((systemActive == 1) && (splverifierCounter == 0)) && (0 == pumpRunning)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:39:56,251 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...