/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_spec3_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:02:42,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:02:42,469 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 06:02:42,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:02:42,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:02:42,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:02:42,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:02:42,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:02:42,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:02:42,505 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:02:42,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:02:42,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:02:42,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:02:42,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:02:42,507 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:02:42,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:02:42,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:02:42,508 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:02:42,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:02:42,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:02:42,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:02:42,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:02:42,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:02:42,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:02:42,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:02:42,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:02:42,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:02:42,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:02:42,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:02:42,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:42,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:02:42,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:02:42,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:02:42,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:02:42,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:02:42,513 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:02:42,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:02:42,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:02:42,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:02:42,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:02:42,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:02:42,722 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:02:42,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c [2023-12-25 06:02:43,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:02:44,253 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:02:44,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c [2023-12-25 06:02:44,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435440872/8dd5ac1e3e774b148259ace63bdb3422/FLAG19249d5f3 [2023-12-25 06:02:44,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435440872/8dd5ac1e3e774b148259ace63bdb3422 [2023-12-25 06:02:44,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:02:44,289 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:02:44,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:44,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:02:44,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:02:44,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408102bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44, skipping insertion in model container [2023-12-25 06:02:44,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:44,519 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_spec3_product40.cil.c[3936,3949] [2023-12-25 06:02:44,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:44,631 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:02:44,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:44,659 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_spec3_product40.cil.c[3936,3949] [2023-12-25 06:02:44,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:44,693 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:02:44,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-25 06:02:44,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2023-12-25 06:02:44,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188] [2023-12-25 06:02:44,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226] [2023-12-25 06:02:44,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235] [2023-12-25 06:02:44,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332] [2023-12-25 06:02:44,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] [2023-12-25 06:02:44,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606] [2023-12-25 06:02:44,708 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_spec3_product40.cil.c[3936,3949] [2023-12-25 06:02:44,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:44,742 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:02:44,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44 WrapperNode [2023-12-25 06:02:44,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:44,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:44,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:02:44,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:02:44,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,774 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 192 [2023-12-25 06:02:44,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:44,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:02:44,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:02:44,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:02:44,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,797 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 06:02:44,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:02:44,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:02:44,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:02:44,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:02:44,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (1/1) ... [2023-12-25 06:02:44,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:44,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:02:44,957 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 06:02:44,959 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 06:02:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:02:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:02:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:02:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:02:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:02:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:02:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:02:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:02:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:02:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:02:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:02:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:02:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:02:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:02:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:02:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:02:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:02:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:02:45,065 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:02:45,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:02:45,356 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:02:45,421 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:02:45,421 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:02:45,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:45 BoogieIcfgContainer [2023-12-25 06:02:45,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:02:45,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:02:45,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:02:45,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:02:45,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:44" (1/3) ... [2023-12-25 06:02:45,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d48dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:45, skipping insertion in model container [2023-12-25 06:02:45,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:44" (2/3) ... [2023-12-25 06:02:45,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d48dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:45, skipping insertion in model container [2023-12-25 06:02:45,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:45" (3/3) ... [2023-12-25 06:02:45,427 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product40.cil.c [2023-12-25 06:02:45,440 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:02:45,441 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:02:45,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:02:45,492 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;@7ccd5d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:02:45,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:02:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:02:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:02:45,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:45,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:45,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:45,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash -126818733, now seen corresponding path program 1 times [2023-12-25 06:02:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:45,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809342102] [2023-12-25 06:02:45,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:45,526 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 06:02:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:45,541 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 06:02:45,577 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 06:02:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:45,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:02:45,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:45,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:45,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:45,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809342102] [2023-12-25 06:02:45,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809342102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:45,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:45,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:45,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795035649] [2023-12-25 06:02:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:45,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:02:45,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:45,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:02:45,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:45,706 INFO L87 Difference]: Start difference. First operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:45,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:45,783 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-25 06:02:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:02:45,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:02:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:45,791 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:02:45,791 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:02:45,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:45,796 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:45,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:02:45,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:02:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:02:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-25 06:02:45,844 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 17 [2023-12-25 06:02:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:45,845 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-25 06:02:45,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-25 06:02:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:02:45,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:45,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:45,862 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 06:02:46,051 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 06:02:46,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:46,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:46,054 INFO L85 PathProgramCache]: Analyzing trace with hash 416396112, now seen corresponding path program 1 times [2023-12-25 06:02:46,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:46,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554797905] [2023-12-25 06:02:46,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:46,055 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 06:02:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:46,097 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 06:02:46,119 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 06:02:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:46,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:46,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:46,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:46,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:46,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554797905] [2023-12-25 06:02:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554797905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:46,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895016247] [2023-12-25 06:02:46,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:46,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:46,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:46,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:46,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:46,153 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:46,185 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-25 06:02:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:46,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:02:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:46,188 INFO L225 Difference]: With dead ends: 108 [2023-12-25 06:02:46,188 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:02:46,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:46,189 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:46,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:02:46,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:02:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:02:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-25 06:02:46,196 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 18 [2023-12-25 06:02:46,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:46,197 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-25 06:02:46,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-25 06:02:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:02:46,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:46,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:46,221 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 06:02:46,400 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 06:02:46,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:46,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:46,401 INFO L85 PathProgramCache]: Analyzing trace with hash -960154706, now seen corresponding path program 1 times [2023-12-25 06:02:46,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:46,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768961329] [2023-12-25 06:02:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:46,401 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 06:02:46,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:46,406 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 06:02:46,408 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 06:02:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:46,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:46,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:46,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:46,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:46,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768961329] [2023-12-25 06:02:46,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768961329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:46,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:46,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:46,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786543146] [2023-12-25 06:02:46,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:46,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:46,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:46,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:46,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:46,471 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:46,522 INFO L93 Difference]: Finished difference Result 179 states and 246 transitions. [2023-12-25 06:02:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:46,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:02:46,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:46,525 INFO L225 Difference]: With dead ends: 179 [2023-12-25 06:02:46,525 INFO L226 Difference]: Without dead ends: 120 [2023-12-25 06:02:46,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:46,526 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 77 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:46,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 148 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:46,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-25 06:02:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-25 06:02:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 80 states have (on average 1.4625) internal successors, (117), 95 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-25 06:02:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-12-25 06:02:46,541 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 21 [2023-12-25 06:02:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:46,541 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-12-25 06:02:46,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-12-25 06:02:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:02:46,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:46,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:46,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:46,744 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 06:02:46,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:46,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1523841305, now seen corresponding path program 1 times [2023-12-25 06:02:46,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:46,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892351113] [2023-12-25 06:02:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:46,746 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 06:02:46,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:46,747 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 06:02:46,748 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 06:02:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:46,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:46,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:46,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:46,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:46,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892351113] [2023-12-25 06:02:46,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892351113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:46,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:46,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:46,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150001427] [2023-12-25 06:02:46,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:46,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:46,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:46,835 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:46,905 INFO L93 Difference]: Finished difference Result 339 states and 482 transitions. [2023-12-25 06:02:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:46,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-12-25 06:02:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:46,907 INFO L225 Difference]: With dead ends: 339 [2023-12-25 06:02:46,907 INFO L226 Difference]: Without dead ends: 224 [2023-12-25 06:02:46,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 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 06:02:46,909 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 52 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:46,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 195 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-12-25 06:02:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2023-12-25 06:02:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 151 states have (on average 1.423841059602649) internal successors, (215), 178 states have internal predecessors, (215), 44 states have call successors, (44), 28 states have call predecessors, (44), 26 states have return successors, (46), 28 states have call predecessors, (46), 44 states have call successors, (46) [2023-12-25 06:02:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 305 transitions. [2023-12-25 06:02:46,927 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 305 transitions. Word has length 24 [2023-12-25 06:02:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:46,927 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 305 transitions. [2023-12-25 06:02:46,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 305 transitions. [2023-12-25 06:02:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:02:46,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:46,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:46,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:47,132 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 06:02:47,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:47,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash -942400332, now seen corresponding path program 1 times [2023-12-25 06:02:47,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:47,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570587260] [2023-12-25 06:02:47,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:47,133 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 06:02:47,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:47,134 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 06:02:47,136 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 06:02:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:47,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:47,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:47,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:47,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:47,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570587260] [2023-12-25 06:02:47,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570587260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:47,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:47,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:47,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937453942] [2023-12-25 06:02:47,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:47,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:47,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:47,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:47,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:47,193 INFO L87 Difference]: Start difference. First operand 222 states and 305 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:47,252 INFO L93 Difference]: Finished difference Result 566 states and 792 transitions. [2023-12-25 06:02:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:47,253 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-12-25 06:02:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:47,255 INFO L225 Difference]: With dead ends: 566 [2023-12-25 06:02:47,255 INFO L226 Difference]: Without dead ends: 346 [2023-12-25 06:02:47,256 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 06:02:47,256 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 52 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:47,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 121 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:47,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-25 06:02:47,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2023-12-25 06:02:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 241 states have (on average 1.3651452282157677) internal successors, (329), 261 states have internal predecessors, (329), 51 states have call successors, (51), 47 states have call predecessors, (51), 45 states have return successors, (69), 46 states have call predecessors, (69), 51 states have call successors, (69) [2023-12-25 06:02:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 449 transitions. [2023-12-25 06:02:47,278 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 449 transitions. Word has length 26 [2023-12-25 06:02:47,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:47,278 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 449 transitions. [2023-12-25 06:02:47,278 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:02:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 449 transitions. [2023-12-25 06:02:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:02:47,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:47,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:47,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-25 06:02:47,481 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 06:02:47,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:47,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1145786369, now seen corresponding path program 1 times [2023-12-25 06:02:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:47,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287907049] [2023-12-25 06:02:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:47,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:02:47,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:47,484 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 06:02:47,486 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 06:02:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 06:02:47,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-25 06:02:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-25 06:02:47,641 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-25 06:02:47,642 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-25 06:02:47,642 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:02:47,669 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 (7)] Ended with exit code 0 [2023-12-25 06:02:47,846 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 06:02:47,849 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-25 06:02:47,851 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:47,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:47 BoogieIcfgContainer [2023-12-25 06:02:47,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:47,879 INFO L158 Benchmark]: Toolchain (without parser) took 3589.55ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 153.0MB in the beginning and 99.8MB in the end (delta: 53.2MB). Peak memory consumption was 95.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,879 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:47,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.22ms. Allocated memory is still 200.3MB. Free memory was 152.5MB in the beginning and 126.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.84ms. Allocated memory is still 200.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,880 INFO L158 Benchmark]: Boogie Preprocessor took 43.28ms. Allocated memory is still 200.3MB. Free memory was 124.7MB in the beginning and 122.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,880 INFO L158 Benchmark]: RCFGBuilder took 602.66ms. Allocated memory is still 200.3MB. Free memory was 122.1MB in the beginning and 92.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,880 INFO L158 Benchmark]: TraceAbstraction took 2455.09ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 91.7MB in the beginning and 99.8MB in the end (delta: -8.1MB). Peak memory consumption was 33.3MB. Max. memory is 8.0GB. [2023-12-25 06:02:47,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 451.22ms. Allocated memory is still 200.3MB. Free memory was 152.5MB in the beginning and 126.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.84ms. Allocated memory is still 200.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.28ms. Allocated memory is still 200.3MB. Free memory was 124.7MB in the beginning and 122.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 602.66ms. Allocated memory is still 200.3MB. Free memory was 122.1MB in the beginning and 92.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2455.09ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 91.7MB in the beginning and 99.8MB in the end (delta: -8.1MB). Peak memory consumption was 33.3MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226] - GenericResultAtLocation [Line: 235]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606] * 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 - CounterExampleResult [Line: 231]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L337] int pumpRunning = 0; [L338] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L539] int splverifierCounter ; [L540] int tmp ; [L541] int tmp___0 ; [L542] int tmp___1 ; [L543] int tmp___2 ; [L546] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L548] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L550] COND TRUE splverifierCounter < 4 [L556] tmp = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1] [L560] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2] [L566] tmp___0 = __VERIFIER_nondet_int() [L568] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, waterLevel=2] [L576] tmp___2 = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp___2)) [L584] tmp___1 = __VERIFIER_nondet_int() [L586] COND TRUE \read(tmp___1) [L588] CALL stopSystem() [L518] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] systemActive = 0 [L588] RET stopSystem() [L595] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L344] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L351] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L359] CALL __utac_acc__Specification3_spec__1() [L194] int tmp ; [L195] int tmp___0 ; [L196] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L206] CALL, EXPR getWaterLevel() [L310] int retValue_acc ; [L313] retValue_acc = waterLevel [L314] return (retValue_acc); [L206] RET, EXPR getWaterLevel() [L206] tmp___0 = getWaterLevel() [L208] COND TRUE tmp___0 == 2 [L210] CALL, EXPR isPumpRunning() [L451] int retValue_acc ; [L454] retValue_acc = pumpRunning [L455] return (retValue_acc); [L210] RET, EXPR isPumpRunning() [L210] tmp___1 = isPumpRunning() [L212] COND FALSE !(\read(tmp___1)) [L216] CALL __automaton_fail() [L231] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 672 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 370 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=5, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 4 NumberOfNonLiveVariables, 396 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-25 06:02:47,924 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...