/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:04:29,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:04:29,927 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 06:04:29,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:04:29,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:04:29,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:04:29,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:04:29,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:04:29,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:04:29,944 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:04:29,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:04:29,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:04:29,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:04:29,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:04:29,946 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:04:29,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:04:29,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:04:29,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:04:29,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:04:29,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:04:29,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:04:29,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:04:29,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:04:29,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:04:29,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:04:29,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:04:29,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:04:29,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:04:29,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:04:29,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:29,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:04:29,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:04:29,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:04:29,955 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:04:29,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:04:29,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:04:29,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:04:29,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:04:29,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:04:29,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:04:29,956 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:04:29,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:04:30,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:04:30,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:04:30,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:04:30,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:04:30,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:04:30,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2023-12-25 06:04:31,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:04:31,679 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:04:31,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2023-12-25 06:04:31,688 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81096f63/a5f5392a8aae4172aa256f684de4f804/FLAG2ff1e0e2c [2023-12-25 06:04:31,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81096f63/a5f5392a8aae4172aa256f684de4f804 [2023-12-25 06:04:31,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:04:31,705 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:04:31,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:31,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:04:31,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:04:31,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:31" (1/1) ... [2023-12-25 06:04:31,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f795166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:31, skipping insertion in model container [2023-12-25 06:04:31,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:31" (1/1) ... [2023-12-25 06:04:31,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:31,883 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_product35.cil.c[1605,1618] [2023-12-25 06:04:31,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:31,997 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:04:32,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:32,004 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_product35.cil.c[1605,1618] [2023-12-25 06:04:32,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:32,042 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:04:32,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-25 06:04:32,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] [2023-12-25 06:04:32,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] [2023-12-25 06:04:32,053 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_product35.cil.c[1605,1618] [2023-12-25 06:04:32,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:32,099 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:04:32,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32 WrapperNode [2023-12-25 06:04:32,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:32,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:32,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:04:32,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:04:32,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,135 INFO L138 Inliner]: procedures = 57, calls = 98, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 172 [2023-12-25 06:04:32,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:32,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:04:32,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:04:32,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:04:32,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,162 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 06:04:32,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:04:32,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:04:32,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:04:32,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:04:32,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (1/1) ... [2023-12-25 06:04:32,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:32,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:04:32,218 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 06:04:32,223 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 06:04:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:04:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:04:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:04:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:04:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:04:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:04:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:04:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:04:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:04:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:04:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:04:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:04:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:04:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:04:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:04:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:04:32,302 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:04:32,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:04:32,496 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:04:32,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:04:32,568 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:04:32,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:32 BoogieIcfgContainer [2023-12-25 06:04:32,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:04:32,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:04:32,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:04:32,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:04:32,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:04:31" (1/3) ... [2023-12-25 06:04:32,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43346769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:32, skipping insertion in model container [2023-12-25 06:04:32,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:32" (2/3) ... [2023-12-25 06:04:32,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43346769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:32, skipping insertion in model container [2023-12-25 06:04:32,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:32" (3/3) ... [2023-12-25 06:04:32,574 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2023-12-25 06:04:32,588 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:04:32,589 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:04:32,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:04:32,631 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;@adfd47e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:04:32,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:04:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 52 states have internal predecessors, (71), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 06:04:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:04:32,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:32,644 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 06:04:32,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:32,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:32,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1725021989, now seen corresponding path program 1 times [2023-12-25 06:04:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:32,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92015281] [2023-12-25 06:04:32,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:32,697 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 06:04:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:32,700 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 06:04:32,701 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 06:04:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:32,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:04:32,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:32,843 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 06:04:32,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:32,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:32,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92015281] [2023-12-25 06:04:32,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92015281] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:32,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:32,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257688220] [2023-12-25 06:04:32,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:04:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:32,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:04:32,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:32,906 INFO L87 Difference]: Start difference. First operand has 64 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 52 states have internal predecessors, (71), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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 06:04:32,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:32,976 INFO L93 Difference]: Finished difference Result 126 states and 183 transitions. [2023-12-25 06:04:32,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:04:32,978 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 06:04:32,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:32,983 INFO L225 Difference]: With dead ends: 126 [2023-12-25 06:04:32,984 INFO L226 Difference]: Without dead ends: 59 [2023-12-25 06:04:33,002 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 06:04:33,004 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:33,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:33,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-25 06:04:33,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-25 06:04:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 48 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-25 06:04:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2023-12-25 06:04:33,072 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 22 [2023-12-25 06:04:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:33,072 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2023-12-25 06:04:33,073 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 06:04:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2023-12-25 06:04:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:04:33,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:33,075 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 06:04:33,078 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 06:04:33,277 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 06:04:33,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:33,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2102393361, now seen corresponding path program 1 times [2023-12-25 06:04:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:33,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109024540] [2023-12-25 06:04:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:33,279 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 06:04:33,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:33,289 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 06:04:33,308 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 06:04:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:33,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:33,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:33,371 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 06:04:33,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:33,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:33,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109024540] [2023-12-25 06:04:33,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109024540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:33,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:33,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:33,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033803463] [2023-12-25 06:04:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:33,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:33,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:33,374 INFO L87 Difference]: Start difference. First operand 59 states and 80 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 06:04:33,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:33,403 INFO L93 Difference]: Finished difference Result 89 states and 120 transitions. [2023-12-25 06:04:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:33,404 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 06:04:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:33,405 INFO L225 Difference]: With dead ends: 89 [2023-12-25 06:04:33,405 INFO L226 Difference]: Without dead ends: 51 [2023-12-25 06:04:33,405 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 06:04:33,406 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:33,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 101 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:33,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-25 06:04:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-25 06:04:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 43 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 06:04:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-12-25 06:04:33,412 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 69 transitions. Word has length 23 [2023-12-25 06:04:33,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:33,412 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-12-25 06:04:33,412 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 06:04:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-12-25 06:04:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:33,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:33,413 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 06:04:33,428 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 06:04:33,615 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 06:04:33,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:33,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash 611933001, now seen corresponding path program 1 times [2023-12-25 06:04:33,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:33,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422616212] [2023-12-25 06:04:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:33,617 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 06:04:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:33,619 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 06:04:33,621 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 06:04:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:33,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:33,748 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 06:04:33,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:33,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422616212] [2023-12-25 06:04:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422616212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:33,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390825162] [2023-12-25 06:04:33,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:33,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:33,750 INFO L87 Difference]: Start difference. First operand 51 states and 69 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 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 06:04:33,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:33,803 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2023-12-25 06:04:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:33,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 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 06:04:33,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:33,806 INFO L225 Difference]: With dead ends: 149 [2023-12-25 06:04:33,806 INFO L226 Difference]: Without dead ends: 100 [2023-12-25 06:04:33,807 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 06:04:33,807 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 51 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:33,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 124 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-25 06:04:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-12-25 06:04:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 80 states have internal predecessors, (103), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:04:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions. [2023-12-25 06:04:33,821 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 26 [2023-12-25 06:04:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:33,822 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions. [2023-12-25 06:04:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 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 06:04:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2023-12-25 06:04:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-25 06:04:33,823 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:33,823 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 06:04:33,826 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 (4)] Ended with exit code 0 [2023-12-25 06:04:34,025 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 06:04:34,026 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:34,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:34,026 INFO L85 PathProgramCache]: Analyzing trace with hash 782732798, now seen corresponding path program 1 times [2023-12-25 06:04:34,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:34,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075777465] [2023-12-25 06:04:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:34,027 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 06:04:34,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:34,028 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 06:04:34,033 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 06:04:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:34,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:34,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:34,083 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 06:04:34,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:34,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:34,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075777465] [2023-12-25 06:04:34,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075777465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:34,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:34,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:34,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071363493] [2023-12-25 06:04:34,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:34,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:34,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:34,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:34,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:34,085 INFO L87 Difference]: Start difference. First operand 96 states and 131 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:34,120 INFO L93 Difference]: Finished difference Result 265 states and 366 transitions. [2023-12-25 06:04:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-25 06:04:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:34,121 INFO L225 Difference]: With dead ends: 265 [2023-12-25 06:04:34,121 INFO L226 Difference]: Without dead ends: 171 [2023-12-25 06:04:34,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 06:04:34,123 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 51 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:34,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 108 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-25 06:04:34,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2023-12-25 06:04:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 135 states have internal predecessors, (175), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-12-25 06:04:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 227 transitions. [2023-12-25 06:04:34,141 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 227 transitions. Word has length 29 [2023-12-25 06:04:34,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:34,141 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 227 transitions. [2023-12-25 06:04:34,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 227 transitions. [2023-12-25 06:04:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-25 06:04:34,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:34,142 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 06:04:34,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-25 06:04:34,343 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 06:04:34,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:34,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:34,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1078250247, now seen corresponding path program 1 times [2023-12-25 06:04:34,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:34,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049970733] [2023-12-25 06:04:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:34,345 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 06:04:34,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:34,346 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 06:04:34,351 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 06:04:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:34,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:34,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:34,440 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 06:04:34,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:34,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:34,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049970733] [2023-12-25 06:04:34,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049970733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:34,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:34,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:04:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107011961] [2023-12-25 06:04:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:34,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:34,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:34,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:34,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:34,442 INFO L87 Difference]: Start difference. First operand 169 states and 227 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 06:04:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:34,529 INFO L93 Difference]: Finished difference Result 338 states and 456 transitions. [2023-12-25 06:04:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:04:34,529 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 06:04:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:34,530 INFO L225 Difference]: With dead ends: 338 [2023-12-25 06:04:34,531 INFO L226 Difference]: Without dead ends: 171 [2023-12-25 06:04:34,531 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 06:04:34,532 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:34,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 254 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:34,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-25 06:04:34,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2023-12-25 06:04:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 122 states have (on average 1.3852459016393444) internal successors, (169), 133 states have internal predecessors, (169), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-12-25 06:04:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2023-12-25 06:04:34,545 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 29 [2023-12-25 06:04:34,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:34,546 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2023-12-25 06:04:34,546 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 06:04:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2023-12-25 06:04:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:04:34,547 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:34,547 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] [2023-12-25 06:04:34,569 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 06:04:34,750 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 06:04:34,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:34,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash 465688280, now seen corresponding path program 1 times [2023-12-25 06:04:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:34,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799245158] [2023-12-25 06:04:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:34,751 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 06:04:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:34,753 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 06:04:34,760 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 06:04:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:34,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:34,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:34,806 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 06:04:34,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:34,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:34,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799245158] [2023-12-25 06:04:34,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799245158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:34,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:34,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:34,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977000477] [2023-12-25 06:04:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:34,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:34,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:34,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:34,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:34,808 INFO L87 Difference]: Start difference. First operand 167 states and 221 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 06:04:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:34,851 INFO L93 Difference]: Finished difference Result 336 states and 450 transitions. [2023-12-25 06:04:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:34,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 33 [2023-12-25 06:04:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:34,853 INFO L225 Difference]: With dead ends: 336 [2023-12-25 06:04:34,853 INFO L226 Difference]: Without dead ends: 171 [2023-12-25 06:04:34,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 06:04:34,854 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:34,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 167 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-25 06:04:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-12-25 06:04:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 126 states have (on average 1.373015873015873) internal successors, (173), 137 states have internal predecessors, (173), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-12-25 06:04:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 225 transitions. [2023-12-25 06:04:34,864 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 225 transitions. Word has length 33 [2023-12-25 06:04:34,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:34,865 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 225 transitions. [2023-12-25 06:04:34,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 06:04:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 225 transitions. [2023-12-25 06:04:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:04:34,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:34,866 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] [2023-12-25 06:04:34,874 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 06:04:35,069 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 06:04:35,070 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:35,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash -121117734, now seen corresponding path program 1 times [2023-12-25 06:04:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587596202] [2023-12-25 06:04:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:35,071 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 06:04:35,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:35,072 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 06:04:35,074 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 06:04:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:35,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:35,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:35,165 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 06:04:35,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:35,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:35,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587596202] [2023-12-25 06:04:35,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587596202] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:35,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:35,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:35,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009096820] [2023-12-25 06:04:35,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:35,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:35,167 INFO L87 Difference]: Start difference. First operand 171 states and 225 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 06:04:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:35,240 INFO L93 Difference]: Finished difference Result 366 states and 492 transitions. [2023-12-25 06:04:35,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:35,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 33 [2023-12-25 06:04:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:35,245 INFO L225 Difference]: With dead ends: 366 [2023-12-25 06:04:35,245 INFO L226 Difference]: Without dead ends: 197 [2023-12-25 06:04:35,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 06:04:35,247 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 12 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:35,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 182 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-25 06:04:35,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 175. [2023-12-25 06:04:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 130 states have (on average 1.3615384615384616) internal successors, (177), 141 states have internal predecessors, (177), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-12-25 06:04:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 229 transitions. [2023-12-25 06:04:35,258 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 229 transitions. Word has length 33 [2023-12-25 06:04:35,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:35,258 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 229 transitions. [2023-12-25 06:04:35,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 06:04:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2023-12-25 06:04:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:04:35,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:35,259 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] [2023-12-25 06:04:35,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:35,462 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 06:04:35,468 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:35,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:35,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1400981412, now seen corresponding path program 1 times [2023-12-25 06:04:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:35,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511333962] [2023-12-25 06:04:35,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:35,469 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 06:04:35,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:35,472 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 06:04:35,522 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 06:04:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:35,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:35,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:35,564 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 06:04:35,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:35,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:35,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511333962] [2023-12-25 06:04:35,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511333962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:35,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:35,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:35,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860941052] [2023-12-25 06:04:35,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:35,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:35,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:35,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:35,566 INFO L87 Difference]: Start difference. First operand 175 states and 229 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:04:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:35,605 INFO L93 Difference]: Finished difference Result 428 states and 563 transitions. [2023-12-25 06:04:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:35,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 33 [2023-12-25 06:04:35,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:35,607 INFO L225 Difference]: With dead ends: 428 [2023-12-25 06:04:35,607 INFO L226 Difference]: Without dead ends: 255 [2023-12-25 06:04:35,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 06:04:35,608 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 32 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 111 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 06:04:35,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 111 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-25 06:04:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2023-12-25 06:04:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 190 states have (on average 1.3157894736842106) internal successors, (250), 203 states have internal predecessors, (250), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2023-12-25 06:04:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 326 transitions. [2023-12-25 06:04:35,622 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 326 transitions. Word has length 33 [2023-12-25 06:04:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:35,622 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 326 transitions. [2023-12-25 06:04:35,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 06:04:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 326 transitions. [2023-12-25 06:04:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-25 06:04:35,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:35,623 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] [2023-12-25 06:04:35,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-25 06:04:35,825 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 06:04:35,825 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:35,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1367248330, now seen corresponding path program 1 times [2023-12-25 06:04:35,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:35,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609293114] [2023-12-25 06:04:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:35,826 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 06:04:35,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:35,827 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 06:04:35,851 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 06:04:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:35,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:04:35,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:35,985 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 06:04:35,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:35,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609293114] [2023-12-25 06:04:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609293114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202395549] [2023-12-25 06:04:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:35,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:04:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:35,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:04:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:04:35,987 INFO L87 Difference]: Start difference. First operand 255 states and 326 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:04:36,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:36,402 INFO L93 Difference]: Finished difference Result 850 states and 1127 transitions. [2023-12-25 06:04:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:04:36,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 37 [2023-12-25 06:04:36,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:36,406 INFO L225 Difference]: With dead ends: 850 [2023-12-25 06:04:36,406 INFO L226 Difference]: Without dead ends: 677 [2023-12-25 06:04:36,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 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 06:04:36,407 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 178 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:36,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 353 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:04:36,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-12-25 06:04:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 645. [2023-12-25 06:04:36,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 484 states have (on average 1.2933884297520661) internal successors, (626), 521 states have internal predecessors, (626), 88 states have call successors, (88), 66 states have call predecessors, (88), 72 states have return successors, (108), 84 states have call predecessors, (108), 88 states have call successors, (108) [2023-12-25 06:04:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 822 transitions. [2023-12-25 06:04:36,469 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 822 transitions. Word has length 37 [2023-12-25 06:04:36,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:36,469 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 822 transitions. [2023-12-25 06:04:36,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:04:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 822 transitions. [2023-12-25 06:04:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-25 06:04:36,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:36,471 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-25 06:04:36,486 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 06:04:36,674 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 06:04:36,674 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:36,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1119034255, now seen corresponding path program 1 times [2023-12-25 06:04:36,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:36,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372416935] [2023-12-25 06:04:36,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:36,675 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 06:04:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:36,677 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 06:04:36,680 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 06:04:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:36,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:36,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 06:04:36,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:36,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:36,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372416935] [2023-12-25 06:04:36,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372416935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:36,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:36,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:36,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490449663] [2023-12-25 06:04:36,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:36,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:36,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:36,785 INFO L87 Difference]: Start difference. First operand 645 states and 822 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:04:36,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:36,836 INFO L93 Difference]: Finished difference Result 783 states and 999 transitions. [2023-12-25 06:04:36,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:36,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2023-12-25 06:04:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:36,838 INFO L225 Difference]: With dead ends: 783 [2023-12-25 06:04:36,838 INFO L226 Difference]: Without dead ends: 319 [2023-12-25 06:04:36,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 06:04:36,839 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 33 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:36,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 142 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:36,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-12-25 06:04:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2023-12-25 06:04:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 238 states have (on average 1.2478991596638656) internal successors, (297), 257 states have internal predecessors, (297), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2023-12-25 06:04:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 395 transitions. [2023-12-25 06:04:36,862 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 395 transitions. Word has length 61 [2023-12-25 06:04:36,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:36,862 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 395 transitions. [2023-12-25 06:04:36,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:04:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 395 transitions. [2023-12-25 06:04:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-25 06:04:36,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:36,863 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:36,866 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 06:04:37,066 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 06:04:37,067 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:37,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:37,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2108259256, now seen corresponding path program 1 times [2023-12-25 06:04:37,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:37,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635857117] [2023-12-25 06:04:37,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:37,068 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 06:04:37,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:37,069 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 06:04:37,071 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 06:04:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:37,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:37,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:37,166 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 06:04:37,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:37,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635857117] [2023-12-25 06:04:37,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635857117] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:37,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:37,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-25 06:04:37,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249710944] [2023-12-25 06:04:37,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:37,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 06:04:37,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:37,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 06:04:37,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:04:37,272 INFO L87 Difference]: Start difference. First operand 319 states and 395 transitions. Second operand has 10 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-25 06:04:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:37,450 INFO L93 Difference]: Finished difference Result 516 states and 660 transitions. [2023-12-25 06:04:37,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:04:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 63 [2023-12-25 06:04:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:37,451 INFO L225 Difference]: With dead ends: 516 [2023-12-25 06:04:37,451 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:04:37,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:37,453 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 124 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:37,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 451 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:04:37,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:04:37,454 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 06:04:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:04:37,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2023-12-25 06:04:37,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:37,454 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:04:37,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-25 06:04:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:04:37,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:04:37,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:04:37,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:37,660 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 06:04:37,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:04:38,732 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2023-12-25 06:04:38,733 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2023-12-25 06:04:38,733 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2023-12-25 06:04:38,733 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 665 676) the Hoare annotation is: true [2023-12-25 06:04:38,733 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2023-12-25 06:04:38,733 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse5 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2023-12-25 06:04:38,733 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2023-12-25 06:04:38,733 INFO L899 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2023-12-25 06:04:38,733 INFO L899 garLoopResultBuilder]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 718 731) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 792) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 797) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L895 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or (and .cse4 .cse6) .cse1 .cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse7) (or .cse7 .cse8 (and .cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse7 .cse8))) [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 754) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L899 garLoopResultBuilder]: For program point L748-2(lines 744 766) no Hoare annotation was computed. [2023-12-25 06:04:38,734 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 741 767) the Hoare annotation is: (let ((.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) .cse0) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (and .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse4) .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse6 .cse1 .cse2 (and .cse7 .cse0)) (or .cse6 .cse1 .cse5 (and .cse3 .cse7)) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) (and .cse0 .cse4)))) [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L645-2(lines 641 652) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L895 garLoopResultBuilder]: At program point L922(line 922) the Hoare annotation is: (let ((.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) .cse0) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (and .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse4) .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse6 .cse1 .cse2 (and .cse7 .cse0)) (or .cse6 .cse1 .cse5 (and .cse3 .cse7)) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) (and .cse0 .cse4)))) [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L922-1(line 922) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse2)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse5 .cse0 .cse6) (or .cse0 .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse5 .cse0 .cse1 (and (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4))))) [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 949) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 952) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L935-1(lines 927 955) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L86(lines 61 90) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-25 06:04:38,735 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2023-12-25 06:04:38,736 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 61 90) the Hoare annotation is: true [2023-12-25 06:04:38,736 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2023-12-25 06:04:38,736 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 158) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:04:38,736 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 902) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-12-25 06:04:38,736 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 902) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point L628(lines 567 632) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 653 664) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or .cse0 .cse1 .cse4 .cse2) (or .cse2 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse3 .cse5) (or .cse4 (not (= ~systemActive~0 (_ bv0 32))) .cse5))) [2023-12-25 06:04:38,737 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 828 836) no Hoare annotation was computed. [2023-12-25 06:04:38,737 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 828 836) the Hoare annotation is: true [2023-12-25 06:04:38,739 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:38,744 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:04:38,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:04:38 BoogieIcfgContainer [2023-12-25 06:04:38,755 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:04:38,755 INFO L158 Benchmark]: Toolchain (without parser) took 7049.95ms. Allocated memory was 225.4MB in the beginning and 273.7MB in the end (delta: 48.2MB). Free memory was 179.8MB in the beginning and 133.6MB in the end (delta: 46.2MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,755 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 168.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:04:38,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.44ms. Allocated memory is still 225.4MB. Free memory was 179.8MB in the beginning and 153.3MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.16ms. Allocated memory is still 225.4MB. Free memory was 153.3MB in the beginning and 151.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,756 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 225.4MB. Free memory was 151.2MB in the beginning and 149.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,756 INFO L158 Benchmark]: RCFGBuilder took 389.56ms. Allocated memory is still 225.4MB. Free memory was 149.1MB in the beginning and 121.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,757 INFO L158 Benchmark]: TraceAbstraction took 6184.87ms. Allocated memory was 225.4MB in the beginning and 273.7MB in the end (delta: 48.2MB). Free memory was 120.2MB in the beginning and 133.6MB in the end (delta: -13.4MB). Peak memory consumption was 65.3MB. Max. memory is 8.0GB. [2023-12-25 06:04:38,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 168.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 394.44ms. Allocated memory is still 225.4MB. Free memory was 179.8MB in the beginning and 153.3MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.16ms. Allocated memory is still 225.4MB. Free memory was 153.3MB in the beginning and 151.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 225.4MB. Free memory was 151.2MB in the beginning and 149.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 389.56ms. Allocated memory is still 225.4MB. Free memory was 149.1MB in the beginning and 121.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 6184.87ms. Allocated memory was 225.4MB in the beginning and 273.7MB in the end (delta: 48.2MB). Free memory was 120.2MB in the beginning and 133.6MB in the end (delta: -13.4MB). Peak memory consumption was 65.3MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 164]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] - GenericResultAtLocation [Line: 732]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 2065 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1292 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 764 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 773 mSDtfsCounter, 764 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 455 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=9, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 64 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 519 PreInvPairs, 578 NumberOfFragments, 810 HoareAnnotationTreeSize, 519 FormulaSimplifications, 150 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FormulaSimplificationsInter, 1488 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1125 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 76/85 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: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((1 == pumpRunning) && (systemActive == 1)) && (switchedOnBeforeTS == 1)) && (splverifierCounter == 0)) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((1 == pumpRunning) && (waterLevel == 2)) && (systemActive == 1)) && (splverifierCounter == 0))) || (((systemActive == 0) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) RESULT: Ultimate proved your program to be correct! [2023-12-25 06:04:38,783 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...