/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:21,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:21,772 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 06:01:21,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:21,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:21,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:21,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:21,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:21,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:21,824 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:21,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:21,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:21,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:21,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:21,827 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:21,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:21,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:21,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:21,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:21,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:21,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:21,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:21,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:21,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:21,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:21,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:21,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:21,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:21,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:21,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:21,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:21,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:21,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:21,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:21,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:21,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:21,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:21,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:21,833 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:21,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:21,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:21,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:21,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:21,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:21,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:21,836 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:21,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:22,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:22,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:22,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:22,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:22,291 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:22,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2023-12-25 06:01:23,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:24,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:24,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2023-12-25 06:01:24,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acffc4320/f383d2966e5943c9ab9d0ceb43c09765/FLAGe90634ed9 [2023-12-25 06:01:24,212 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acffc4320/f383d2966e5943c9ab9d0ceb43c09765 [2023-12-25 06:01:24,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:24,216 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:24,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:24,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:24,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:24,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6416ee18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24, skipping insertion in model container [2023-12-25 06:01:24,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:24,508 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c[13819,13832] [2023-12-25 06:01:24,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:24,551 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:01:24,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:24,607 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c[13819,13832] [2023-12-25 06:01:24,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:24,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:01:24,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-25 06:01:24,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2023-12-25 06:01:24,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2023-12-25 06:01:24,685 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c[13819,13832] [2023-12-25 06:01:24,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:24,718 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:01:24,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24 WrapperNode [2023-12-25 06:01:24,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:24,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:24,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:01:24,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:01:24,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,757 INFO L138 Inliner]: procedures = 55, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 153 [2023-12-25 06:01:24,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:24,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:01:24,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:01:24,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:01:24,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,798 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 06:01:24,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:01:24,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:01:24,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:01:24,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:01:24,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (1/1) ... [2023-12-25 06:01:24,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:24,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:01:24,845 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 06:01:24,867 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 06:01:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:01:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:01:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:01:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:01:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:01:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:01:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:01:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:01:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:01:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:01:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:01:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:01:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:01:24,876 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:01:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:01:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:01:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:01:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:01:24,954 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:01:24,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:01:25,236 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:01:25,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:01:25,293 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:01:25,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:25 BoogieIcfgContainer [2023-12-25 06:01:25,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:01:25,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:01:25,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:01:25,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:01:25,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:24" (1/3) ... [2023-12-25 06:01:25,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a805e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:25, skipping insertion in model container [2023-12-25 06:01:25,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:24" (2/3) ... [2023-12-25 06:01:25,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a805e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:25, skipping insertion in model container [2023-12-25 06:01:25,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:25" (3/3) ... [2023-12-25 06:01:25,300 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2023-12-25 06:01:25,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:01:25,315 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:01:25,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:01:25,362 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;@438e0962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:01:25,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:01:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-25 06:01:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:01:25,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:25,375 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 06:01:25,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:25,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2028122174, now seen corresponding path program 1 times [2023-12-25 06:01:25,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:25,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5571593] [2023-12-25 06:01:25,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:25,400 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 06:01:25,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:25,403 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 06:01:25,407 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 06:01:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:25,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:01:25,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:25,490 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 06:01:25,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:25,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5571593] [2023-12-25 06:01:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5571593] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:25,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:25,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:25,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204347464] [2023-12-25 06:01:25,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:25,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:01:25,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:25,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:01:25,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:25,525 INFO L87 Difference]: Start difference. First operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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 06:01:25,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:25,584 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-12-25 06:01:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:01:25,586 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 06:01:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:25,593 INFO L225 Difference]: With dead ends: 124 [2023-12-25 06:01:25,594 INFO L226 Difference]: Without dead ends: 58 [2023-12-25 06:01:25,597 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 06:01:25,600 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:25,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-25 06:01:25,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-12-25 06:01:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:01:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-12-25 06:01:25,641 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-12-25 06:01:25,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:25,642 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-12-25 06:01:25,643 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 06:01:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-12-25 06:01:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:01:25,645 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:25,646 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 06:01:25,654 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 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:25,852 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 06:01:25,853 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:25,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:25,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1740677726, now seen corresponding path program 1 times [2023-12-25 06:01:25,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:25,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251007216] [2023-12-25 06:01:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:25,855 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 06:01:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:25,856 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 06:01:25,880 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 06:01:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:25,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:25,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:25,929 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 06:01:25,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:25,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:25,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251007216] [2023-12-25 06:01:25,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251007216] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:25,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:25,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945910104] [2023-12-25 06:01:25,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:25,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:25,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:25,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:25,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:25,933 INFO L87 Difference]: Start difference. First operand 58 states and 78 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 06:01:25,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:25,969 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-12-25 06:01:25,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:25,969 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 06:01:25,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:25,970 INFO L225 Difference]: With dead ends: 86 [2023-12-25 06:01:25,971 INFO L226 Difference]: Without dead ends: 50 [2023-12-25 06:01:25,971 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 06:01:25,972 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 98 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 06:01:25,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-25 06:01:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-25 06:01:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-25 06:01:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-12-25 06:01:25,980 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-12-25 06:01:25,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:25,980 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-12-25 06:01:25,980 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 06:01:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-12-25 06:01:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:01:25,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:25,981 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 06:01:25,999 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 06:01:26,184 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 06:01:26,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:26,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2053871398, now seen corresponding path program 1 times [2023-12-25 06:01:26,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:26,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778631109] [2023-12-25 06:01:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:26,186 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 06:01:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:26,188 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 06:01:26,190 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 06:01:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:26,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:26,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:26,250 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 06:01:26,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:26,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:26,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778631109] [2023-12-25 06:01:26,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778631109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:26,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:26,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:26,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384853926] [2023-12-25 06:01:26,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:26,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:26,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:26,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:26,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:26,252 INFO L87 Difference]: Start difference. First operand 50 states and 67 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 06:01:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:26,293 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-25 06:01:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:26,293 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 06:01:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:26,295 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:01:26,295 INFO L226 Difference]: Without dead ends: 98 [2023-12-25 06:01:26,295 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 06:01:26,296 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 61 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:26,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 123 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:26,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-25 06:01:26,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-12-25 06:01:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:01:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2023-12-25 06:01:26,313 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21 [2023-12-25 06:01:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:26,313 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2023-12-25 06:01:26,314 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 06:01:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2023-12-25 06:01:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-25 06:01:26,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:26,315 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 06:01:26,324 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 06:01:26,536 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 06:01:26,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:26,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:26,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1009288342, now seen corresponding path program 1 times [2023-12-25 06:01:26,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:26,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174412466] [2023-12-25 06:01:26,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:26,538 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 06:01:26,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:26,539 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 06:01:26,546 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 06:01:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:26,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:26,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:26,725 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 06:01:26,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:26,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:26,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174412466] [2023-12-25 06:01:26,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174412466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:26,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:26,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982887540] [2023-12-25 06:01:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:26,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:26,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:26,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:26,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:26,733 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 06:01:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:26,891 INFO L93 Difference]: Finished difference Result 277 states and 382 transitions. [2023-12-25 06:01:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:01:26,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 06:01:26,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:26,895 INFO L225 Difference]: With dead ends: 277 [2023-12-25 06:01:26,895 INFO L226 Difference]: Without dead ends: 184 [2023-12-25 06:01:26,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 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 06:01:26,896 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:26,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 251 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-25 06:01:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2023-12-25 06:01:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 121 states have (on average 1.4132231404958677) internal successors, (171), 142 states have internal predecessors, (171), 36 states have call successors, (36), 24 states have call predecessors, (36), 24 states have return successors, (38), 26 states have call predecessors, (38), 36 states have call successors, (38) [2023-12-25 06:01:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 245 transitions. [2023-12-25 06:01:26,919 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 245 transitions. Word has length 24 [2023-12-25 06:01:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:26,920 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 245 transitions. [2023-12-25 06:01:26,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 06:01:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 245 transitions. [2023-12-25 06:01:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:01:26,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:26,922 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 06:01:26,931 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 06:01:27,124 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 06:01:27,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:27,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:27,125 INFO L85 PathProgramCache]: Analyzing trace with hash -26641702, now seen corresponding path program 1 times [2023-12-25 06:01:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:27,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896661161] [2023-12-25 06:01:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:27,126 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 06:01:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:27,129 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 06:01:27,164 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 06:01:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:27,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:27,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:27,258 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 06:01:27,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:27,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:27,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896661161] [2023-12-25 06:01:27,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896661161] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:27,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:27,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:27,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122040212] [2023-12-25 06:01:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:27,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:27,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:27,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:27,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:27,268 INFO L87 Difference]: Start difference. First operand 182 states and 245 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (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 06:01:27,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:27,316 INFO L93 Difference]: Finished difference Result 320 states and 429 transitions. [2023-12-25 06:01:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:27,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (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 28 [2023-12-25 06:01:27,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:27,317 INFO L225 Difference]: With dead ends: 320 [2023-12-25 06:01:27,317 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:01:27,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 06:01:27,323 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 22 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:27,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:01:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:01:27,325 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 06:01:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:01:27,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-12-25 06:01:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:27,326 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:01:27,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (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 06:01:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:01:27,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:01:27,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:01:27,343 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 06:01:27,533 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 06:01:27,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:01:27,738 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2023-12-25 06:01:27,738 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 838) the Hoare annotation is: true [2023-12-25 06:01:27,738 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2023-12-25 06:01:27,738 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2023-12-25 06:01:27,738 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2023-12-25 06:01:27,738 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 552 563) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 552 563) no Hoare annotation was computed. [2023-12-25 06:01:27,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 564 572) the Hoare annotation is: true [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 564 572) no Hoare annotation was computed. [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point L770-1(lines 769 788) no Hoare annotation was computed. [2023-12-25 06:01:27,739 INFO L895 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-25 06:01:27,739 INFO L895 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 682) no Hoare annotation was computed. [2023-12-25 06:01:27,739 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 685) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 660 688) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L532-2(lines 528 539) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L895 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 679) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 789) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed. [2023-12-25 06:01:27,740 INFO L895 garLoopResultBuilder]: At program point L666(line 666) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point L666-1(line 666) no Hoare annotation was computed. [2023-12-25 06:01:27,741 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (not (= |old(~pumpRunning~0)| (_ bv0 32))) [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 789) no Hoare annotation was computed. [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 610) no Hoare annotation was computed. [2023-12-25 06:01:27,741 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-25 06:01:27,741 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-25 06:01:27,741 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-25 06:01:27,741 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 905) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L899-1(lines 899 905) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L755(lines 692 759) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2023-12-25 06:01:27,742 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,742 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L895 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L895 garLoopResultBuilder]: At program point L901(line 901) the Hoare annotation is: false [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L895 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-12-25 06:01:27,743 INFO L895 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:27,743 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-12-25 06:01:27,744 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2023-12-25 06:01:27,744 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2023-12-25 06:01:27,744 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 540 551) no Hoare annotation was computed. [2023-12-25 06:01:27,744 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 540 551) no Hoare annotation was computed. [2023-12-25 06:01:27,744 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 540 551) the Hoare annotation is: true [2023-12-25 06:01:27,746 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-25 06:01:27,747 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:01:27,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:01:27 BoogieIcfgContainer [2023-12-25 06:01:27,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:01:27,757 INFO L158 Benchmark]: Toolchain (without parser) took 3541.00ms. Allocated memory was 160.4MB in the beginning and 269.5MB in the end (delta: 109.1MB). Free memory was 107.7MB in the beginning and 103.1MB in the end (delta: 4.7MB). Peak memory consumption was 114.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,757 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 160.4MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:01:27,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.88ms. Allocated memory is still 160.4MB. Free memory was 107.4MB in the beginning and 81.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 160.4MB. Free memory was 81.9MB in the beginning and 80.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,758 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 160.4MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,758 INFO L158 Benchmark]: RCFGBuilder took 485.45ms. Allocated memory was 160.4MB in the beginning and 269.5MB in the end (delta: 109.1MB). Free memory was 77.7MB in the beginning and 222.6MB in the end (delta: -144.9MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,758 INFO L158 Benchmark]: TraceAbstraction took 2460.89ms. Allocated memory is still 269.5MB. Free memory was 222.1MB in the beginning and 103.1MB in the end (delta: 119.0MB). Peak memory consumption was 118.5MB. Max. memory is 8.0GB. [2023-12-25 06:01:27,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 160.4MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 501.88ms. Allocated memory is still 160.4MB. Free memory was 107.4MB in the beginning and 81.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 160.4MB. Free memory was 81.9MB in the beginning and 80.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 160.4MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 485.45ms. Allocated memory was 160.4MB in the beginning and 269.5MB in the end (delta: 109.1MB). Free memory was 77.7MB in the beginning and 222.6MB in the end (delta: -144.9MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2460.89ms. Allocated memory is still 269.5MB. Free memory was 222.1MB in the beginning and 103.1MB in the end (delta: 119.0MB). Peak memory consumption was 118.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521] - GenericResultAtLocation [Line: 605]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605] - GenericResultAtLocation [Line: 614]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * 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: 610]: 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 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 608 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 323 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 285 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 195 PreInvPairs, 219 NumberOfFragments, 86 HoareAnnotationTreeSize, 195 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FormulaSimplificationsInter, 609 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 5 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0) && (0 == pumpRunning)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:01:27,790 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...