/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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:41:01,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:41:01,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:41:01,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:41:01,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:41:01,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:41:01,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:41:01,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:41:01,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:41:01,282 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:41:01,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:41:01,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:41:01,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:41:01,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:41:01,284 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:41:01,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:41:01,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:41:01,285 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:41:01,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:41:01,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:41:01,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:41:01,287 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:41:01,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:41:01,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:41:01,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:41:01,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:41:01,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:41:01,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:41:01,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:41:01,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:01,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:41:01,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:41:01,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:41:01,290 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:41:01,290 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:41:01,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:41:01,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:41:01,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:41:01,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:41:01,520 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:41:01,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2023-12-16 17:41:02,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:41:02,706 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:41:02,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2023-12-16 17:41:02,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cbba3f1/678c2d1d943a4b3297f3f5c800ea36b5/FLAGca714b9d2 [2023-12-16 17:41:02,734 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cbba3f1/678c2d1d943a4b3297f3f5c800ea36b5 [2023-12-16 17:41:02,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:41:02,737 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:41:02,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:02,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:41:02,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:41:02,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:02" (1/1) ... [2023-12-16 17:41:02,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142acebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:02, skipping insertion in model container [2023-12-16 17:41:02,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:02" (1/1) ... [2023-12-16 17:41:02,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:02,978 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_product57.cil.c[13989,14002] [2023-12-16 17:41:03,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:03,023 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:41:03,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:03,062 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_product57.cil.c[13989,14002] [2023-12-16 17:41:03,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:03,073 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:41:03,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2023-12-16 17:41:03,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] [2023-12-16 17:41:03,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] [2023-12-16 17:41:03,127 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_product57.cil.c[13989,14002] [2023-12-16 17:41:03,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:03,150 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:41:03,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03 WrapperNode [2023-12-16 17:41:03,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:03,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:03,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:41:03,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:41:03,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,202 INFO L138 Inliner]: procedures = 58, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 213 [2023-12-16 17:41:03,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:03,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:41:03,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:41:03,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:41:03,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,239 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:41:03,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:41:03,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:41:03,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:41:03,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:41:03,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (1/1) ... [2023-12-16 17:41:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:41:03,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:41:03,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:41:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:41:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:41:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:41:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:41:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:41:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:41:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:41:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:41:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:41:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:41:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:41:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:41:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:41:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:41:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:41:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:41:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:41:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:41:03,388 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:41:03,389 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:41:03,617 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:41:03,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:41:03,708 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:41:03,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:03 BoogieIcfgContainer [2023-12-16 17:41:03,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:41:03,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:41:03,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:41:03,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:41:03,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:41:02" (1/3) ... [2023-12-16 17:41:03,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0eb2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:03, skipping insertion in model container [2023-12-16 17:41:03,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:03" (2/3) ... [2023-12-16 17:41:03,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0eb2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:03, skipping insertion in model container [2023-12-16 17:41:03,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:03" (3/3) ... [2023-12-16 17:41:03,714 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2023-12-16 17:41:03,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:41:03,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:41:03,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:41:03,772 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;@5285ccf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:41:03,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:41:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 59 states have internal predecessors, (79), 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) [2023-12-16 17:41:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:41:03,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:03,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:03,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:03,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1520007880, now seen corresponding path program 1 times [2023-12-16 17:41:03,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:03,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409149148] [2023-12-16 17:41:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:03,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:03,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:03,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:41:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:03,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:41:03,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:03,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:03,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:03,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409149148] [2023-12-16 17:41:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409149148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:03,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:03,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:03,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727939693] [2023-12-16 17:41:03,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:03,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:41:03,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:03,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:41:03,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:03,953 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 59 states have internal predecessors, (79), 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) [2023-12-16 17:41:04,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:04,009 INFO L93 Difference]: Finished difference Result 142 states and 207 transitions. [2023-12-16 17:41:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:41:04,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-16 17:41:04,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:04,019 INFO L225 Difference]: With dead ends: 142 [2023-12-16 17:41:04,019 INFO L226 Difference]: Without dead ends: 67 [2023-12-16 17:41:04,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:04,025 INFO L413 NwaCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:04,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:04,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-16 17:41:04,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-16 17:41:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.4375) internal successors, (69), 55 states have internal predecessors, (69), 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) [2023-12-16 17:41:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2023-12-16 17:41:04,067 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 17 [2023-12-16 17:41:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:04,068 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2023-12-16 17:41:04,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-12-16 17:41:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:41:04,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:04,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:04,083 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 [2023-12-16 17:41:04,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:04,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:04,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2068637019, now seen corresponding path program 1 times [2023-12-16 17:41:04,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:04,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527318581] [2023-12-16 17:41:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:04,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:04,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:04,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:41:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:04,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:04,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:04,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:04,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:04,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527318581] [2023-12-16 17:41:04,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527318581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:04,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797723636] [2023-12-16 17:41:04,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:04,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:04,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:04,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:04,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:04,358 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:04,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:04,406 INFO L93 Difference]: Finished difference Result 107 states and 147 transitions. [2023-12-16 17:41:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:04,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-16 17:41:04,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:04,409 INFO L225 Difference]: With dead ends: 107 [2023-12-16 17:41:04,409 INFO L226 Difference]: Without dead ends: 59 [2023-12-16 17:41:04,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:04,410 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 11 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:04,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 122 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:04,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-16 17:41:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-16 17:41:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 50 states have internal predecessors, (63), 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) [2023-12-16 17:41:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2023-12-16 17:41:04,422 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2023-12-16 17:41:04,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:04,423 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2023-12-16 17:41:04,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-12-16 17:41:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:41:04,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:04,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:04,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:04,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:04,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:04,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1950639704, now seen corresponding path program 1 times [2023-12-16 17:41:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:04,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428090032] [2023-12-16 17:41:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:04,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:04,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:04,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:41:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:04,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:04,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:04,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:04,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428090032] [2023-12-16 17:41:04,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428090032] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:04,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:04,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342516738] [2023-12-16 17:41:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:04,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:04,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:04,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:04,704 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:04,726 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2023-12-16 17:41:04,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:04,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-16 17:41:04,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:04,727 INFO L225 Difference]: With dead ends: 116 [2023-12-16 17:41:04,727 INFO L226 Difference]: Without dead ends: 59 [2023-12-16 17:41:04,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:04,728 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:04,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 66 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-16 17:41:04,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-16 17:41:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.441860465116279) internal successors, (62), 50 states have internal predecessors, (62), 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) [2023-12-16 17:41:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2023-12-16 17:41:04,734 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 21 [2023-12-16 17:41:04,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:04,734 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2023-12-16 17:41:04,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2023-12-16 17:41:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:41:04,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:04,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:04,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:04,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:04,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1311664536, now seen corresponding path program 1 times [2023-12-16 17:41:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188909156] [2023-12-16 17:41:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:04,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:04,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:04,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:04,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:41:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:04,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:04,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:05,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:05,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:05,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188909156] [2023-12-16 17:41:05,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188909156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:05,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:05,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:05,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205221404] [2023-12-16 17:41:05,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:05,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:05,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:05,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:05,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:05,018 INFO L87 Difference]: Start difference. First operand 59 states and 80 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) [2023-12-16 17:41:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:05,069 INFO L93 Difference]: Finished difference Result 156 states and 214 transitions. [2023-12-16 17:41:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:05,069 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 [2023-12-16 17:41:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:05,072 INFO L225 Difference]: With dead ends: 156 [2023-12-16 17:41:05,072 INFO L226 Difference]: Without dead ends: 99 [2023-12-16 17:41:05,076 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 [2023-12-16 17:41:05,077 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:05,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 123 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-12-16 17:41:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2023-12-16 17:41:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 79 states have internal predecessors, (99), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2023-12-16 17:41:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2023-12-16 17:41:05,099 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 26 [2023-12-16 17:41:05,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:05,099 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2023-12-16 17:41:05,099 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) [2023-12-16 17:41:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2023-12-16 17:41:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-16 17:41:05,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:05,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:05,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 17:41:05,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:05,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:05,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1735456463, now seen corresponding path program 1 times [2023-12-16 17:41:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492759279] [2023-12-16 17:41:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:05,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:05,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:05,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:05,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:41:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:05,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:41:05,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:05,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:05,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:05,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492759279] [2023-12-16 17:41:05,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492759279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:05,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:05,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:05,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014546172] [2023-12-16 17:41:05,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:05,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:05,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:05,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:05,435 INFO L87 Difference]: Start difference. First operand 97 states and 129 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:41:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:05,499 INFO L93 Difference]: Finished difference Result 269 states and 370 transitions. [2023-12-16 17:41:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:05,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-12-16 17:41:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:05,502 INFO L225 Difference]: With dead ends: 269 [2023-12-16 17:41:05,502 INFO L226 Difference]: Without dead ends: 174 [2023-12-16 17:41:05,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:41:05,503 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 26 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 187 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 [2023-12-16 17:41:05,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 187 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-16 17:41:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2023-12-16 17:41:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 137 states have internal predecessors, (170), 24 states have call successors, (24), 22 states have call predecessors, (24), 21 states have return successors, (33), 23 states have call predecessors, (33), 24 states have call successors, (33) [2023-12-16 17:41:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions. [2023-12-16 17:41:05,527 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 227 transitions. Word has length 36 [2023-12-16 17:41:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:05,527 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 227 transitions. [2023-12-16 17:41:05,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:41:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2023-12-16 17:41:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:41:05,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:05,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:05,532 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 [2023-12-16 17:41:05,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:05,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:05,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1821783627, now seen corresponding path program 1 times [2023-12-16 17:41:05,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:05,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714985239] [2023-12-16 17:41:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:05,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:05,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:05,732 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) [2023-12-16 17:41:05,743 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 [2023-12-16 17:41:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:05,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:41:05,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:05,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:05,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:05,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714985239] [2023-12-16 17:41:05,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714985239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:05,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:05,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:41:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626218843] [2023-12-16 17:41:05,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:05,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:41:05,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:05,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:41:05,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:05,833 INFO L87 Difference]: Start difference. First operand 172 states and 227 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:41:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:06,104 INFO L93 Difference]: Finished difference Result 498 states and 688 transitions. [2023-12-16 17:41:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 17:41:06,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2023-12-16 17:41:06,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:06,106 INFO L225 Difference]: With dead ends: 498 [2023-12-16 17:41:06,106 INFO L226 Difference]: Without dead ends: 403 [2023-12-16 17:41:06,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 17:41:06,107 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 224 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:06,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 273 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:41:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-12-16 17:41:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 386. [2023-12-16 17:41:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 284 states have (on average 1.3626760563380282) internal successors, (387), 311 states have internal predecessors, (387), 53 states have call successors, (53), 42 states have call predecessors, (53), 48 states have return successors, (78), 54 states have call predecessors, (78), 53 states have call successors, (78) [2023-12-16 17:41:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 518 transitions. [2023-12-16 17:41:06,130 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 518 transitions. Word has length 40 [2023-12-16 17:41:06,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:06,130 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 518 transitions. [2023-12-16 17:41:06,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:41:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 518 transitions. [2023-12-16 17:41:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:41:06,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:06,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:06,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:06,333 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 [2023-12-16 17:41:06,334 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:06,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:06,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1655535219, now seen corresponding path program 1 times [2023-12-16 17:41:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:06,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680149562] [2023-12-16 17:41:06,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:06,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:06,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 17:41:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:06,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:06,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:06,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:06,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:06,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680149562] [2023-12-16 17:41:06,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680149562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:06,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:06,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:06,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650109269] [2023-12-16 17:41:06,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:06,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:06,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:06,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:06,384 INFO L87 Difference]: Start difference. First operand 386 states and 518 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:06,445 INFO L93 Difference]: Finished difference Result 717 states and 995 transitions. [2023-12-16 17:41:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:41:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-12-16 17:41:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:06,447 INFO L225 Difference]: With dead ends: 717 [2023-12-16 17:41:06,447 INFO L226 Difference]: Without dead ends: 403 [2023-12-16 17:41:06,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:41:06,448 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 10 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:06,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 219 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-12-16 17:41:06,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 388. [2023-12-16 17:41:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 286 states have (on average 1.3566433566433567) internal successors, (388), 313 states have internal predecessors, (388), 53 states have call successors, (53), 42 states have call predecessors, (53), 48 states have return successors, (78), 54 states have call predecessors, (78), 53 states have call successors, (78) [2023-12-16 17:41:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 519 transitions. [2023-12-16 17:41:06,469 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 519 transitions. Word has length 40 [2023-12-16 17:41:06,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:06,469 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 519 transitions. [2023-12-16 17:41:06,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2023-12-16 17:41:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:41:06,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:06,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:06,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:06,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:06,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:06,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash -338609487, now seen corresponding path program 1 times [2023-12-16 17:41:06,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:06,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556105406] [2023-12-16 17:41:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:06,675 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:06,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 17:41:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:06,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:06,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:06,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:06,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:06,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556105406] [2023-12-16 17:41:06,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556105406] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:06,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:06,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:06,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396479221] [2023-12-16 17:41:06,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:06,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:06,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:06,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:06,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:06,716 INFO L87 Difference]: Start difference. First operand 388 states and 519 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:06,774 INFO L93 Difference]: Finished difference Result 804 states and 1106 transitions. [2023-12-16 17:41:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-12-16 17:41:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:06,777 INFO L225 Difference]: With dead ends: 804 [2023-12-16 17:41:06,777 INFO L226 Difference]: Without dead ends: 418 [2023-12-16 17:41:06,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:06,779 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 6 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:06,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 206 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-12-16 17:41:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 391. [2023-12-16 17:41:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 291 states have (on average 1.3470790378006874) internal successors, (392), 317 states have internal predecessors, (392), 52 states have call successors, (52), 41 states have call predecessors, (52), 47 states have return successors, (77), 53 states have call predecessors, (77), 52 states have call successors, (77) [2023-12-16 17:41:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 521 transitions. [2023-12-16 17:41:06,809 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 521 transitions. Word has length 40 [2023-12-16 17:41:06,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:06,810 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 521 transitions. [2023-12-16 17:41:06,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 521 transitions. [2023-12-16 17:41:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-16 17:41:06,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:06,811 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:06,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:07,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:07,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash -914265781, now seen corresponding path program 1 times [2023-12-16 17:41:07,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:07,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210252425] [2023-12-16 17:41:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:07,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:07,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:07,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 17:41:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:07,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:07,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:07,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:07,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:07,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210252425] [2023-12-16 17:41:07,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210252425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:07,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:07,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:07,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680692920] [2023-12-16 17:41:07,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:07,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:07,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:07,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:07,101 INFO L87 Difference]: Start difference. First operand 391 states and 521 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:07,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:07,158 INFO L93 Difference]: Finished difference Result 783 states and 1052 transitions. [2023-12-16 17:41:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-16 17:41:07,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:07,159 INFO L225 Difference]: With dead ends: 783 [2023-12-16 17:41:07,159 INFO L226 Difference]: Without dead ends: 394 [2023-12-16 17:41:07,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:41:07,162 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 47 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 239 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 [2023-12-16 17:41:07,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 239 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-16 17:41:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 375. [2023-12-16 17:41:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 280 states have (on average 1.292857142857143) internal successors, (362), 304 states have internal predecessors, (362), 48 states have call successors, (48), 39 states have call predecessors, (48), 46 states have return successors, (61), 49 states have call predecessors, (61), 48 states have call successors, (61) [2023-12-16 17:41:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 471 transitions. [2023-12-16 17:41:07,181 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 471 transitions. Word has length 43 [2023-12-16 17:41:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:07,182 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 471 transitions. [2023-12-16 17:41:07,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 471 transitions. [2023-12-16 17:41:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-16 17:41:07,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:07,183 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:07,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:07,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,385 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:07,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash -896017649, now seen corresponding path program 1 times [2023-12-16 17:41:07,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:07,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644225125] [2023-12-16 17:41:07,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:07,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:07,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:07,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:41:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:07,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:41:07,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:07,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:07,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:07,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644225125] [2023-12-16 17:41:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644225125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:07,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:07,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:41:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538816612] [2023-12-16 17:41:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:07,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:41:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:41:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:07,499 INFO L87 Difference]: Start difference. First operand 375 states and 471 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:07,604 INFO L93 Difference]: Finished difference Result 1099 states and 1404 transitions. [2023-12-16 17:41:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:41:07,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-16 17:41:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:07,608 INFO L225 Difference]: With dead ends: 1099 [2023-12-16 17:41:07,608 INFO L226 Difference]: Without dead ends: 726 [2023-12-16 17:41:07,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:07,609 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 47 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:07,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 274 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:41:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2023-12-16 17:41:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 724. [2023-12-16 17:41:07,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 540 states have (on average 1.275925925925926) internal successors, (689), 582 states have internal predecessors, (689), 94 states have call successors, (94), 77 states have call predecessors, (94), 89 states have return successors, (125), 95 states have call predecessors, (125), 94 states have call successors, (125) [2023-12-16 17:41:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 908 transitions. [2023-12-16 17:41:07,648 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 908 transitions. Word has length 43 [2023-12-16 17:41:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:07,648 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 908 transitions. [2023-12-16 17:41:07,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 908 transitions. [2023-12-16 17:41:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-16 17:41:07,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:07,650 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:07,654 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 (11)] Ended with exit code 0 [2023-12-16 17:41:07,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,852 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:07,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:07,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1798882645, now seen corresponding path program 1 times [2023-12-16 17:41:07,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:07,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708854771] [2023-12-16 17:41:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:07,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:07,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:07,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:07,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 17:41:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:07,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:41:07,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 17:41:07,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:07,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:07,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708854771] [2023-12-16 17:41:07,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708854771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:07,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:07,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:41:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147845203] [2023-12-16 17:41:07,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:07,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:41:07,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:07,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:41:07,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:07,949 INFO L87 Difference]: Start difference. First operand 724 states and 908 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:41:08,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:08,082 INFO L93 Difference]: Finished difference Result 1424 states and 1793 transitions. [2023-12-16 17:41:08,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:41:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2023-12-16 17:41:08,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:08,085 INFO L225 Difference]: With dead ends: 1424 [2023-12-16 17:41:08,085 INFO L226 Difference]: Without dead ends: 702 [2023-12-16 17:41:08,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:41:08,086 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:08,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 529 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:41:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-16 17:41:08,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2023-12-16 17:41:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 518 states have (on average 1.222007722007722) internal successors, (633), 560 states have internal predecessors, (633), 94 states have call successors, (94), 77 states have call predecessors, (94), 89 states have return successors, (118), 95 states have call predecessors, (118), 94 states have call successors, (118) [2023-12-16 17:41:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 845 transitions. [2023-12-16 17:41:08,116 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 845 transitions. Word has length 47 [2023-12-16 17:41:08,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:08,116 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 845 transitions. [2023-12-16 17:41:08,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:41:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 845 transitions. [2023-12-16 17:41:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 17:41:08,117 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:08,117 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:08,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:08,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:08,320 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:08,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash -756120796, now seen corresponding path program 1 times [2023-12-16 17:41:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:08,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796822754] [2023-12-16 17:41:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:08,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:08,322 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:08,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 17:41:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:08,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:08,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:41:08,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:08,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:08,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796822754] [2023-12-16 17:41:08,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796822754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:08,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:08,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:08,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030479330] [2023-12-16 17:41:08,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:08,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:08,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:08,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:08,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:08,389 INFO L87 Difference]: Start difference. First operand 702 states and 845 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:08,436 INFO L93 Difference]: Finished difference Result 1408 states and 1712 transitions. [2023-12-16 17:41:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:08,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2023-12-16 17:41:08,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:08,439 INFO L225 Difference]: With dead ends: 1408 [2023-12-16 17:41:08,439 INFO L226 Difference]: Without dead ends: 708 [2023-12-16 17:41:08,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:08,441 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:08,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 192 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2023-12-16 17:41:08,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 702. [2023-12-16 17:41:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 518 states have (on average 1.2104247104247103) internal successors, (627), 560 states have internal predecessors, (627), 94 states have call successors, (94), 77 states have call predecessors, (94), 89 states have return successors, (118), 95 states have call predecessors, (118), 94 states have call successors, (118) [2023-12-16 17:41:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 839 transitions. [2023-12-16 17:41:08,482 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 839 transitions. Word has length 64 [2023-12-16 17:41:08,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:08,482 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 839 transitions. [2023-12-16 17:41:08,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 839 transitions. [2023-12-16 17:41:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 17:41:08,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:08,483 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:08,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:08,685 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:08,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1172151906, now seen corresponding path program 1 times [2023-12-16 17:41:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940381155] [2023-12-16 17:41:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:08,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:08,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:08,687 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:08,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-16 17:41:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:08,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:08,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:41:08,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:08,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:08,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940381155] [2023-12-16 17:41:08,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940381155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:08,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:08,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:08,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928242273] [2023-12-16 17:41:08,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:08,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:08,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:08,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:08,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:08,741 INFO L87 Difference]: Start difference. First operand 702 states and 839 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:08,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:08,792 INFO L93 Difference]: Finished difference Result 1339 states and 1618 transitions. [2023-12-16 17:41:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2023-12-16 17:41:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:08,794 INFO L225 Difference]: With dead ends: 1339 [2023-12-16 17:41:08,794 INFO L226 Difference]: Without dead ends: 639 [2023-12-16 17:41:08,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:41:08,796 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:08,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 188 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-12-16 17:41:08,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 637. [2023-12-16 17:41:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 469 states have (on average 1.208955223880597) internal successors, (567), 505 states have internal predecessors, (567), 86 states have call successors, (86), 75 states have call predecessors, (86), 81 states have return successors, (102), 83 states have call predecessors, (102), 86 states have call successors, (102) [2023-12-16 17:41:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 755 transitions. [2023-12-16 17:41:08,821 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 755 transitions. Word has length 64 [2023-12-16 17:41:08,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:08,821 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 755 transitions. [2023-12-16 17:41:08,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:41:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 755 transitions. [2023-12-16 17:41:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 17:41:08,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:08,822 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:08,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:09,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:09,024 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:09,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1755578374, now seen corresponding path program 1 times [2023-12-16 17:41:09,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:09,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412644054] [2023-12-16 17:41:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:09,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:09,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:09,026 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:09,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-16 17:41:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:09,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:41:09,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 17:41:09,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:09,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412644054] [2023-12-16 17:41:09,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412644054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:09,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:09,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:41:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776431074] [2023-12-16 17:41:09,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:09,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:41:09,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:09,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:41:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:09,140 INFO L87 Difference]: Start difference. First operand 637 states and 755 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:41:09,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:09,240 INFO L93 Difference]: Finished difference Result 1272 states and 1521 transitions. [2023-12-16 17:41:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:41:09,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-16 17:41:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:09,243 INFO L225 Difference]: With dead ends: 1272 [2023-12-16 17:41:09,243 INFO L226 Difference]: Without dead ends: 637 [2023-12-16 17:41:09,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:41:09,245 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 38 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:09,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 266 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:41:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-12-16 17:41:09,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2023-12-16 17:41:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 469 states have (on average 1.1897654584221748) internal successors, (558), 505 states have internal predecessors, (558), 86 states have call successors, (86), 75 states have call predecessors, (86), 81 states have return successors, (102), 83 states have call predecessors, (102), 86 states have call successors, (102) [2023-12-16 17:41:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 746 transitions. [2023-12-16 17:41:09,301 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 746 transitions. Word has length 68 [2023-12-16 17:41:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:09,301 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 746 transitions. [2023-12-16 17:41:09,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:41:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 746 transitions. [2023-12-16 17:41:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 17:41:09,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:09,302 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:09,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:09,505 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:09,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:09,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2024386519, now seen corresponding path program 1 times [2023-12-16 17:41:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:09,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030318468] [2023-12-16 17:41:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:09,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:09,507 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:09,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-16 17:41:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:09,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:41:09,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:41:09,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:09,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030318468] [2023-12-16 17:41:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030318468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:09,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 17:41:09,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99411791] [2023-12-16 17:41:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 17:41:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:09,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 17:41:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:41:09,623 INFO L87 Difference]: Start difference. First operand 637 states and 746 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2023-12-16 17:41:09,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:09,994 INFO L93 Difference]: Finished difference Result 1566 states and 1866 transitions. [2023-12-16 17:41:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:41:09,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 69 [2023-12-16 17:41:09,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:09,999 INFO L225 Difference]: With dead ends: 1566 [2023-12-16 17:41:09,999 INFO L226 Difference]: Without dead ends: 1008 [2023-12-16 17:41:10,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:41:10,003 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 206 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:10,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 289 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 17:41:10,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2023-12-16 17:41:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 974. [2023-12-16 17:41:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 709 states have (on average 1.165021156558533) internal successors, (826), 758 states have internal predecessors, (826), 131 states have call successors, (131), 120 states have call predecessors, (131), 133 states have return successors, (154), 130 states have call predecessors, (154), 131 states have call successors, (154) [2023-12-16 17:41:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1111 transitions. [2023-12-16 17:41:10,048 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1111 transitions. Word has length 69 [2023-12-16 17:41:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:10,048 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1111 transitions. [2023-12-16 17:41:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2023-12-16 17:41:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1111 transitions. [2023-12-16 17:41:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 17:41:10,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:10,052 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:10,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:10,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:10,254 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:10,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1072235538, now seen corresponding path program 1 times [2023-12-16 17:41:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:10,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452082826] [2023-12-16 17:41:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:10,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:10,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:10,256 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:10,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-16 17:41:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:10,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:41:10,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 17:41:10,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:41:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:41:10,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452082826] [2023-12-16 17:41:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452082826] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:41:10,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:41:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2023-12-16 17:41:10,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551220791] [2023-12-16 17:41:10,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:41:10,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 17:41:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 17:41:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-16 17:41:10,577 INFO L87 Difference]: Start difference. First operand 974 states and 1111 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2023-12-16 17:41:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:11,146 INFO L93 Difference]: Finished difference Result 2513 states and 2974 transitions. [2023-12-16 17:41:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 17:41:11,146 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) Word has length 70 [2023-12-16 17:41:11,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:11,152 INFO L225 Difference]: With dead ends: 2513 [2023-12-16 17:41:11,152 INFO L226 Difference]: Without dead ends: 1618 [2023-12-16 17:41:11,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2023-12-16 17:41:11,154 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 440 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:11,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 422 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 17:41:11,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2023-12-16 17:41:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1538. [2023-12-16 17:41:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1117 states have (on average 1.1763652641002686) internal successors, (1314), 1194 states have internal predecessors, (1314), 203 states have call successors, (203), 196 states have call predecessors, (203), 217 states have return successors, (275), 204 states have call predecessors, (275), 203 states have call successors, (275) [2023-12-16 17:41:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1792 transitions. [2023-12-16 17:41:11,235 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1792 transitions. Word has length 70 [2023-12-16 17:41:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:11,236 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 1792 transitions. [2023-12-16 17:41:11,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2023-12-16 17:41:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1792 transitions. [2023-12-16 17:41:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 17:41:11,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:11,237 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:11,241 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 (17)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:11,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:11,441 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:11,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:11,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1659041552, now seen corresponding path program 1 times [2023-12-16 17:41:11,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:11,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648860535] [2023-12-16 17:41:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:11,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:11,443 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:11,444 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 (18)] Waiting until timeout for monitored process [2023-12-16 17:41:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:11,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:41:11,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 17:41:11,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:41:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:41:11,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:11,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648860535] [2023-12-16 17:41:11,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648860535] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:41:11,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:41:11,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-16 17:41:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045705127] [2023-12-16 17:41:11,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:41:11,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 17:41:11,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 17:41:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-16 17:41:11,728 INFO L87 Difference]: Start difference. First operand 1538 states and 1792 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 12 states have internal predecessors, (89), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-16 17:41:12,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:12,446 INFO L93 Difference]: Finished difference Result 4101 states and 5006 transitions. [2023-12-16 17:41:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-16 17:41:12,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 12 states have internal predecessors, (89), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 70 [2023-12-16 17:41:12,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:12,455 INFO L225 Difference]: With dead ends: 4101 [2023-12-16 17:41:12,456 INFO L226 Difference]: Without dead ends: 2642 [2023-12-16 17:41:12,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-12-16 17:41:12,459 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 552 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:12,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 467 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 17:41:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2023-12-16 17:41:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2314. [2023-12-16 17:41:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1688 states have (on average 1.191350710900474) internal successors, (2011), 1792 states have internal predecessors, (2011), 315 states have call successors, (315), 307 states have call predecessors, (315), 310 states have return successors, (471), 291 states have call predecessors, (471), 315 states have call successors, (471) [2023-12-16 17:41:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2797 transitions. [2023-12-16 17:41:12,586 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2797 transitions. Word has length 70 [2023-12-16 17:41:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:12,586 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 2797 transitions. [2023-12-16 17:41:12,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 12 states have internal predecessors, (89), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-16 17:41:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2797 transitions. [2023-12-16 17:41:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 17:41:12,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:12,590 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:12,594 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 (18)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:12,791 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:12,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash 498012632, now seen corresponding path program 1 times [2023-12-16 17:41:12,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:12,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717302241] [2023-12-16 17:41:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:12,793 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:12,822 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 (19)] Waiting until timeout for monitored process [2023-12-16 17:41:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:12,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:12,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-16 17:41:12,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:12,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717302241] [2023-12-16 17:41:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717302241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:12,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:12,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:41:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79802516] [2023-12-16 17:41:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:12,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:12,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:12,888 INFO L87 Difference]: Start difference. First operand 2314 states and 2797 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 17:41:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:12,952 INFO L93 Difference]: Finished difference Result 2559 states and 3073 transitions. [2023-12-16 17:41:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:12,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 172 [2023-12-16 17:41:12,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:12,953 INFO L225 Difference]: With dead ends: 2559 [2023-12-16 17:41:12,953 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:41:12,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:12,957 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:12,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 170 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:41:12,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:41:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:41:12,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2023-12-16 17:41:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:12,958 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:41:12,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 17:41:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:41:12,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:41:12,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:41:12,963 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 (19)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:13,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:13,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2023-12-16 17:41:14,263 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 450 461) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse7 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse7))) [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 450 461) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point L921(lines 896 925) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2023-12-16 17:41:14,263 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L902 garLoopResultBuilder]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2023-12-16 17:41:14,264 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 925) the Hoare annotation is: true [2023-12-16 17:41:14,264 INFO L902 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2023-12-16 17:41:14,264 INFO L902 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: true [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L902-1(line 902) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L582-1(lines 567 599) no Hoare annotation was computed. [2023-12-16 17:41:14,264 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse7 (and (= (_ bv1 32) ~pumpRunning~0) .cse8)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7 (and .cse8 .cse9)) (or .cse5 .cse0 .cse1 .cse6 .cse10) (or .cse5 .cse1 .cse2 .cse4 .cse7) (or .cse5 .cse0 .cse1 .cse4 .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse6)))) [2023-12-16 17:41:14,264 INFO L899 garLoopResultBuilder]: For program point L574-1(line 574) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (and (= ~waterLevel~0 (_ bv2 32)) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse5 .cse1 .cse8 .cse7) (or .cse5 .cse1 .cse2 .cse8 .cse6)))) [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 675 699) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 628 634) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L818-2(lines 818 822) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L430-2(lines 426 437) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 617 640) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse11)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (and .cse10 .cse11)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse9 (and (= (_ bv1 32) ~pumpRunning~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse1 .cse4 .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse7 .cse6) (or .cse5 .cse1 .cse7 .cse8 .cse9)))) [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L621-1(lines 620 639) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2023-12-16 17:41:14,265 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 470) the Hoare annotation is: true [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 462 470) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: false [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L977-2(lines 977 984) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 881) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2023-12-16 17:41:14,266 INFO L895 garLoopResultBuilder]: At program point L883(lines 840 885) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse6 .cse1 .cse7 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2023-12-16 17:41:14,266 INFO L895 garLoopResultBuilder]: At program point L876-2(lines 870 881) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2023-12-16 17:41:14,266 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L889(lines 830 893) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse6 .cse1 .cse7 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4 .cse5 .cse6))) [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 649 673) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 503 516) no Hoare annotation was computed. [2023-12-16 17:41:14,267 INFO L895 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-16 17:41:14,267 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L716-2(lines 709 725) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse6 .cse5))) [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 438 449) no Hoare annotation was computed. [2023-12-16 17:41:14,268 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 438 449) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse2 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse8 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse6) (or .cse2 .cse3 .cse7 .cse4 .cse8))) [2023-12-16 17:41:14,268 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2023-12-16 17:41:14,270 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:14,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:41:14,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:41:14 BoogieIcfgContainer [2023-12-16 17:41:14,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:41:14,282 INFO L158 Benchmark]: Toolchain (without parser) took 11544.63ms. Allocated memory was 186.6MB in the beginning and 375.4MB in the end (delta: 188.7MB). Free memory was 149.7MB in the beginning and 208.7MB in the end (delta: -59.1MB). Peak memory consumption was 130.7MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,282 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 186.6MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:41:14,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.85ms. Allocated memory is still 186.6MB. Free memory was 149.7MB in the beginning and 123.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.48ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,282 INFO L158 Benchmark]: Boogie Preprocessor took 54.88ms. Allocated memory is still 186.6MB. Free memory was 120.9MB in the beginning and 118.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,283 INFO L158 Benchmark]: RCFGBuilder took 450.26ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 118.2MB in the beginning and 231.1MB in the end (delta: -112.9MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,283 INFO L158 Benchmark]: TraceAbstraction took 10571.25ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 230.1MB in the beginning and 208.7MB in the end (delta: 21.4MB). Peak memory consumption was 136.7MB. Max. memory is 8.0GB. [2023-12-16 17:41:14,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 186.6MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 411.85ms. Allocated memory is still 186.6MB. Free memory was 149.7MB in the beginning and 123.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.48ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.88ms. Allocated memory is still 186.6MB. Free memory was 120.9MB in the beginning and 118.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 450.26ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 118.2MB in the beginning and 231.1MB in the end (delta: -112.9MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10571.25ms. Allocated memory was 260.0MB in the beginning and 375.4MB in the end (delta: 115.3MB). Free memory was 230.1MB in the beginning and 208.7MB in the end (delta: 21.4MB). Peak memory consumption was 136.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 828]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] * 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: 605]: 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1833 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1782 mSDsluCounter, 4314 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2984 mSDsCounter, 470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2891 IncrementalHoareTripleChecker+Invalid, 3361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 470 mSolverCounterUnsat, 1330 mSDtfsCounter, 2891 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1124 GetRequests, 1020 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2314occurred in iteration=17, InterpolantAutomatonStates: 127, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 534 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 2701 PreInvPairs, 2744 NumberOfFragments, 1444 HoareAnnotationTreeSize, 2701 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FormulaSimplificationsInter, 588 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1068 ConstructedInterpolants, 0 QuantifiedInterpolants, 2145 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2304 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 436/470 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: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 2) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (systemActive == 1)) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((1 == pumpRunning) && (waterLevel == 2)) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0))) || (((((systemActive == 1) && (waterLevel == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:41:14,306 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...