/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_spec4_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:03:46,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:03:46,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:03:46,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:03:46,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:03:46,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:03:46,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:03:46,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:03:46,871 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:03:46,875 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:03:46,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:03:46,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:03:46,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:03:46,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:03:46,878 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:03:46,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:03:46,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:03:46,879 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:03:46,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:03:46,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:03:46,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:03:46,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:03:46,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:03:46,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:03:46,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:03:46,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:03:46,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:03:46,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:03:46,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:03:46,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:03:46,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:03:46,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:03:46,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:03:46,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:03:46,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:46,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:03:46,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:03:46,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:03:46,885 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:03:46,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:03:46,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:03:46,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:03:46,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:03:46,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:03:46,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:03:46,886 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:03:46,886 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:03:47,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:03:47,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:03:47,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:03:47,177 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:03:47,177 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:03:47,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2023-12-25 06:03:48,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:03:48,636 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:03:48,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2023-12-25 06:03:48,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a626f5ec/20c92111484c49538b6ae173f246b19b/FLAGb140ae48d [2023-12-25 06:03:48,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a626f5ec/20c92111484c49538b6ae173f246b19b [2023-12-25 06:03:48,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:03:48,667 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:03:48,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:48,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:03:48,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:03:48,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:48" (1/1) ... [2023-12-25 06:03:48,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e7478f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:48, skipping insertion in model container [2023-12-25 06:03:48,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:48" (1/1) ... [2023-12-25 06:03:48,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:49,058 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_spec4_product54.cil.c[18533,18546] [2023-12-25 06:03:49,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:49,082 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:03:49,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:49,157 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_spec4_product54.cil.c[18533,18546] [2023-12-25 06:03:49,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:49,162 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:03:49,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] [2023-12-25 06:03:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] [2023-12-25 06:03:49,223 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_spec4_product54.cil.c[18533,18546] [2023-12-25 06:03:49,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:49,244 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:03:49,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49 WrapperNode [2023-12-25 06:03:49,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:49,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:49,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:03:49,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:03:49,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,292 INFO L138 Inliner]: procedures = 59, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 218 [2023-12-25 06:03:49,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:49,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:03:49,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:03:49,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:03:49,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,338 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:03:49,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:03:49,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:03:49,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:03:49,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:03:49,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (1/1) ... [2023-12-25 06:03:49,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:03:49,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:03:49,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:03:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:03:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:03:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:03:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:03:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:03:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:03:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:03:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:03:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:03:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:03:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-25 06:03:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:03:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:03:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:03:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:03:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:03:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:03:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:03:49,532 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:03:49,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:03:49,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:03:49,975 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:03:49,975 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:03:49,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:49 BoogieIcfgContainer [2023-12-25 06:03:49,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:03:49,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:03:49,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:03:49,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:03:49,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:48" (1/3) ... [2023-12-25 06:03:49,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3743cc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:49, skipping insertion in model container [2023-12-25 06:03:49,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:49" (2/3) ... [2023-12-25 06:03:49,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3743cc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:49, skipping insertion in model container [2023-12-25 06:03:49,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:49" (3/3) ... [2023-12-25 06:03:49,984 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2023-12-25 06:03:50,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:03:50,001 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:03:50,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:03:50,049 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;@1db70154, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:03:50,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:03:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 50 states have (on average 1.56) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:03:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-25 06:03:50,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash 203877967, now seen corresponding path program 1 times [2023-12-25 06:03:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282999145] [2023-12-25 06:03:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:50,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:03:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:50,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:03:50,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:50,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:50,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:50,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282999145] [2023-12-25 06:03:50,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282999145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:50,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11162687] [2023-12-25 06:03:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:50,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:03:50,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:50,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:03:50,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:50,270 INFO L87 Difference]: Start difference. First operand has 74 states, 50 states have (on average 1.56) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:50,335 INFO L93 Difference]: Finished difference Result 146 states and 213 transitions. [2023-12-25 06:03:50,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:03:50,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-25 06:03:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:50,346 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:03:50,346 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:03:50,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:50,353 INFO L413 NwaCegarLoop]: 85 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, 85 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:50,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:03:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:03:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.446808510638298) internal successors, (68), 56 states have internal predecessors, (68), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:03:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2023-12-25 06:03:50,399 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 12 [2023-12-25 06:03:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:50,400 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2023-12-25 06:03:50,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2023-12-25 06:03:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-25 06:03:50,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:50,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:50,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1934102543, now seen corresponding path program 1 times [2023-12-25 06:03:50,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632087392] [2023-12-25 06:03:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:50,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:50,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:03:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:50,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:50,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:50,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:50,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:50,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632087392] [2023-12-25 06:03:50,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632087392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:50,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:50,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:50,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404105423] [2023-12-25 06:03:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:50,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:50,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:50,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:50,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:50,692 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:50,746 INFO L93 Difference]: Finished difference Result 111 states and 153 transitions. [2023-12-25 06:03:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:50,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-25 06:03:50,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:50,751 INFO L225 Difference]: With dead ends: 111 [2023-12-25 06:03:50,751 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:03:50,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:50,753 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:50,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 129 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:50,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:03:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:03:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 51 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:03:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2023-12-25 06:03:50,763 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 13 [2023-12-25 06:03:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:50,763 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2023-12-25 06:03:50,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-12-25 06:03:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-25 06:03:50,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:50,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:50,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:50,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:50,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:50,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1234606452, now seen corresponding path program 1 times [2023-12-25 06:03:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:50,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559164923] [2023-12-25 06:03:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:50,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:50,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:50,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:03:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:51,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:51,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:51,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559164923] [2023-12-25 06:03:51,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559164923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:51,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:51,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:51,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490874543] [2023-12-25 06:03:51,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:51,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:51,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:51,037 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:51,070 INFO L93 Difference]: Finished difference Result 120 states and 167 transitions. [2023-12-25 06:03:51,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:51,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-25 06:03:51,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:51,071 INFO L225 Difference]: With dead ends: 120 [2023-12-25 06:03:51,071 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:03:51,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:51,073 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:51,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:03:51,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:03:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:03:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-25 06:03:51,083 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 16 [2023-12-25 06:03:51,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:51,084 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-25 06:03:51,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-25 06:03:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:03:51,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:51,085 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] [2023-12-25 06:03:51,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:51,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:51,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:51,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1838687577, now seen corresponding path program 1 times [2023-12-25 06:03:51,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:51,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406966638] [2023-12-25 06:03:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:51,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:51,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:51,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:51,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:03:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:51,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:51,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:51,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406966638] [2023-12-25 06:03:51,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406966638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:51,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844719349] [2023-12-25 06:03:51,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:51,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:51,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:51,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:51,412 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:51,480 INFO L93 Difference]: Finished difference Result 158 states and 221 transitions. [2023-12-25 06:03:51,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:51,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 22 [2023-12-25 06:03:51,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:51,482 INFO L225 Difference]: With dead ends: 158 [2023-12-25 06:03:51,482 INFO L226 Difference]: Without dead ends: 99 [2023-12-25 06:03:51,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:51,484 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:51,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 129 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:51,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-12-25 06:03:51,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2023-12-25 06:03:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2023-12-25 06:03:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2023-12-25 06:03:51,502 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 22 [2023-12-25 06:03:51,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:51,503 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2023-12-25 06:03:51,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2023-12-25 06:03:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:03:51,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:51,504 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] [2023-12-25 06:03:51,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-25 06:03:51,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:51,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:51,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:51,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1343042773, now seen corresponding path program 1 times [2023-12-25 06:03:51,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:51,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925473474] [2023-12-25 06:03:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:51,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:51,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:51,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:03:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:51,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:51,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:51,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:51,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:51,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925473474] [2023-12-25 06:03:51,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925473474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:51,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:51,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653028443] [2023-12-25 06:03:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:51,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:51,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:51,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:51,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:51,780 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:51,844 INFO L93 Difference]: Finished difference Result 201 states and 284 transitions. [2023-12-25 06:03:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-12-25 06:03:51,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:51,846 INFO L225 Difference]: With dead ends: 201 [2023-12-25 06:03:51,846 INFO L226 Difference]: Without dead ends: 106 [2023-12-25 06:03:51,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:51,847 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 7 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 203 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 [2023-12-25 06:03:51,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 203 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:51,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-25 06:03:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2023-12-25 06:03:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2023-12-25 06:03:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2023-12-25 06:03:51,861 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 132 transitions. Word has length 33 [2023-12-25 06:03:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:51,862 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 132 transitions. [2023-12-25 06:03:51,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 132 transitions. [2023-12-25 06:03:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:03:51,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:51,863 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] [2023-12-25 06:03:51,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:52,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,067 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:52,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1084877335, now seen corresponding path program 1 times [2023-12-25 06:03:52,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:52,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403793407] [2023-12-25 06:03:52,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:52,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:52,070 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:52,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:03:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:52,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:52,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:52,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:52,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:52,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403793407] [2023-12-25 06:03:52,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403793407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:52,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:52,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:52,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153759595] [2023-12-25 06:03:52,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:52,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:52,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:52,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:52,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:52,141 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:52,193 INFO L93 Difference]: Finished difference Result 198 states and 271 transitions. [2023-12-25 06:03:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-12-25 06:03:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:52,197 INFO L225 Difference]: With dead ends: 198 [2023-12-25 06:03:52,197 INFO L226 Difference]: Without dead ends: 101 [2023-12-25 06:03:52,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:52,200 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:52,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 210 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-25 06:03:52,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-25 06:03:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.36986301369863) internal successors, (100), 81 states have internal predecessors, (100), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2023-12-25 06:03:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 134 transitions. [2023-12-25 06:03:52,223 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 134 transitions. Word has length 33 [2023-12-25 06:03:52,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:52,224 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 134 transitions. [2023-12-25 06:03:52,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:52,224 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 134 transitions. [2023-12-25 06:03:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:03:52,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:52,230 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] [2023-12-25 06:03:52,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:52,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:52,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:52,437 INFO L85 PathProgramCache]: Analyzing trace with hash 331925523, now seen corresponding path program 1 times [2023-12-25 06:03:52,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:52,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677171302] [2023-12-25 06:03:52,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:52,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:52,439 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:52,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:03:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:52,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:52,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:52,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:52,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:52,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677171302] [2023-12-25 06:03:52,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677171302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:52,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:52,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:52,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192890952] [2023-12-25 06:03:52,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:52,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:52,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:52,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:52,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:52,518 INFO L87 Difference]: Start difference. First operand 101 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:52,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:52,563 INFO L93 Difference]: Finished difference Result 244 states and 326 transitions. [2023-12-25 06:03:52,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:52,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-12-25 06:03:52,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:52,565 INFO L225 Difference]: With dead ends: 244 [2023-12-25 06:03:52,565 INFO L226 Difference]: Without dead ends: 145 [2023-12-25 06:03:52,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:52,566 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 32 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:52,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 132 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-25 06:03:52,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2023-12-25 06:03:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 113 states have internal predecessors, (138), 20 states have call successors, (20), 19 states have call predecessors, (20), 18 states have return successors, (26), 17 states have call predecessors, (26), 20 states have call successors, (26) [2023-12-25 06:03:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 184 transitions. [2023-12-25 06:03:52,580 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 184 transitions. Word has length 33 [2023-12-25 06:03:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:52,580 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 184 transitions. [2023-12-25 06:03:52,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:03:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2023-12-25 06:03:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-25 06:03:52,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:52,582 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] [2023-12-25 06:03:52,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:52,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:52,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:52,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1241444683, now seen corresponding path program 1 times [2023-12-25 06:03:52,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:52,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334151008] [2023-12-25 06:03:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:52,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:52,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:52,788 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:52,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:03:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:52,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:52,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:52,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:52,914 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:52,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334151008] [2023-12-25 06:03:52,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334151008] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:52,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:52,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:52,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353179288] [2023-12-25 06:03:52,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:52,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:52,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:52,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:52,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:52,917 INFO L87 Difference]: Start difference. First operand 143 states and 184 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) [2023-12-25 06:03:52,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:52,986 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2023-12-25 06:03:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:52,987 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 [2023-12-25 06:03:52,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:52,988 INFO L225 Difference]: With dead ends: 283 [2023-12-25 06:03:52,988 INFO L226 Difference]: Without dead ends: 142 [2023-12-25 06:03:52,989 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 [2023-12-25 06:03:52,990 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 16 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:52,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 198 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:52,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-25 06:03:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-12-25 06:03:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 112 states have internal predecessors, (135), 20 states have call successors, (20), 19 states have call predecessors, (20), 18 states have return successors, (26), 17 states have call predecessors, (26), 20 states have call successors, (26) [2023-12-25 06:03:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 181 transitions. [2023-12-25 06:03:53,004 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 181 transitions. Word has length 36 [2023-12-25 06:03:53,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:53,005 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 181 transitions. [2023-12-25 06:03:53,005 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) [2023-12-25 06:03:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2023-12-25 06:03:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-25 06:03:53,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:53,006 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] [2023-12-25 06:03:53,015 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 [2023-12-25 06:03:53,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:53,210 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:53,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:53,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2107022893, now seen corresponding path program 1 times [2023-12-25 06:03:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:53,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499859886] [2023-12-25 06:03:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:53,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:53,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:53,213 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:53,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:03:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:53,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:53,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:53,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:53,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:53,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499859886] [2023-12-25 06:03:53,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499859886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:53,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:53,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:03:53,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697898411] [2023-12-25 06:03:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:53,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:03:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:53,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:03:53,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:03:53,387 INFO L87 Difference]: Start difference. First operand 142 states and 181 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:03:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:53,832 INFO L93 Difference]: Finished difference Result 443 states and 602 transitions. [2023-12-25 06:03:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 06:03:53,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-25 06:03:53,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:53,835 INFO L225 Difference]: With dead ends: 443 [2023-12-25 06:03:53,835 INFO L226 Difference]: Without dead ends: 344 [2023-12-25 06:03:53,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-25 06:03:53,837 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 193 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:53,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 264 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:03:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-25 06:03:53,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 332. [2023-12-25 06:03:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 240 states have (on average 1.3083333333333333) internal successors, (314), 263 states have internal predecessors, (314), 46 states have call successors, (46), 40 states have call predecessors, (46), 45 states have return successors, (66), 41 states have call predecessors, (66), 46 states have call successors, (66) [2023-12-25 06:03:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 426 transitions. [2023-12-25 06:03:53,866 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 426 transitions. Word has length 37 [2023-12-25 06:03:53,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:53,866 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 426 transitions. [2023-12-25 06:03:53,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-25 06:03:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 426 transitions. [2023-12-25 06:03:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-25 06:03:53,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:53,867 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:03:53,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:54,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:54,071 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:54,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:54,071 INFO L85 PathProgramCache]: Analyzing trace with hash 615617745, now seen corresponding path program 1 times [2023-12-25 06:03:54,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:54,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947990642] [2023-12-25 06:03:54,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:54,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:54,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:54,073 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:54,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:03:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:54,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-25 06:03:54,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-25 06:03:54,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:54,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:54,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947990642] [2023-12-25 06:03:54,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947990642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:54,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:54,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:54,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518391537] [2023-12-25 06:03:54,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:54,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:54,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:54,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:54,220 INFO L87 Difference]: Start difference. First operand 332 states and 426 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:54,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:54,332 INFO L93 Difference]: Finished difference Result 999 states and 1296 transitions. [2023-12-25 06:03:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:03:54,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-12-25 06:03:54,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:54,339 INFO L225 Difference]: With dead ends: 999 [2023-12-25 06:03:54,339 INFO L226 Difference]: Without dead ends: 669 [2023-12-25 06:03:54,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:54,341 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:54,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 211 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:54,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-12-25 06:03:54,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 657. [2023-12-25 06:03:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 477 states have (on average 1.2893081761006289) internal successors, (615), 519 states have internal predecessors, (615), 89 states have call successors, (89), 80 states have call predecessors, (89), 90 states have return successors, (136), 82 states have call predecessors, (136), 89 states have call successors, (136) [2023-12-25 06:03:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 840 transitions. [2023-12-25 06:03:54,411 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 840 transitions. Word has length 59 [2023-12-25 06:03:54,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:54,411 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 840 transitions. [2023-12-25 06:03:54,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 840 transitions. [2023-12-25 06:03:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-25 06:03:54,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:54,413 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:54,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:54,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:54,620 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:54,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:54,620 INFO L85 PathProgramCache]: Analyzing trace with hash -733213355, now seen corresponding path program 1 times [2023-12-25 06:03:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137952852] [2023-12-25 06:03:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:54,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:54,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:54,622 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:54,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:03:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:54,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:54,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:03:54,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:03:54,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:54,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137952852] [2023-12-25 06:03:54,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137952852] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:54,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-25 06:03:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775880150] [2023-12-25 06:03:54,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:55,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 06:03:55,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:55,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 06:03:55,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-12-25 06:03:55,008 INFO L87 Difference]: Start difference. First operand 657 states and 840 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-25 06:03:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:55,884 INFO L93 Difference]: Finished difference Result 1833 states and 2544 transitions. [2023-12-25 06:03:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-25 06:03:55,885 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 63 [2023-12-25 06:03:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:55,892 INFO L225 Difference]: With dead ends: 1833 [2023-12-25 06:03:55,892 INFO L226 Difference]: Without dead ends: 1256 [2023-12-25 06:03:55,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2023-12-25 06:03:55,896 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 398 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:55,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 437 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:03:55,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2023-12-25 06:03:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1220. [2023-12-25 06:03:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 881 states have (on average 1.2803632236095346) internal successors, (1128), 956 states have internal predecessors, (1128), 166 states have call successors, (166), 150 states have call predecessors, (166), 172 states have return successors, (363), 158 states have call predecessors, (363), 166 states have call successors, (363) [2023-12-25 06:03:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1657 transitions. [2023-12-25 06:03:55,999 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1657 transitions. Word has length 63 [2023-12-25 06:03:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:56,000 INFO L495 AbstractCegarLoop]: Abstraction has 1220 states and 1657 transitions. [2023-12-25 06:03:56,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-25 06:03:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1657 transitions. [2023-12-25 06:03:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-25 06:03:56,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:56,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:56,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:56,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:56,206 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:56,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -450217152, now seen corresponding path program 1 times [2023-12-25 06:03:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:56,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137616310] [2023-12-25 06:03:56,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:56,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:56,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:56,209 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) [2023-12-25 06:03:56,209 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 [2023-12-25 06:03:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:56,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:56,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-25 06:03:56,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-25 06:03:56,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:56,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137616310] [2023-12-25 06:03:56,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137616310] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:56,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:56,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2023-12-25 06:03:56,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881091762] [2023-12-25 06:03:56,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:56,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-25 06:03:56,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-25 06:03:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-25 06:03:56,836 INFO L87 Difference]: Start difference. First operand 1220 states and 1657 transitions. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2023-12-25 06:03:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:57,683 INFO L93 Difference]: Finished difference Result 2525 states and 3595 transitions. [2023-12-25 06:03:57,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:03:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) Word has length 98 [2023-12-25 06:03:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:57,692 INFO L225 Difference]: With dead ends: 2525 [2023-12-25 06:03:57,692 INFO L226 Difference]: Without dead ends: 1385 [2023-12-25 06:03:57,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2023-12-25 06:03:57,699 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 475 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:57,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 541 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:03:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2023-12-25 06:03:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1265. [2023-12-25 06:03:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 913 states have (on average 1.2475355969331874) internal successors, (1139), 985 states have internal predecessors, (1139), 175 states have call successors, (175), 160 states have call predecessors, (175), 176 states have return successors, (250), 160 states have call predecessors, (250), 175 states have call successors, (250) [2023-12-25 06:03:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1564 transitions. [2023-12-25 06:03:57,812 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1564 transitions. Word has length 98 [2023-12-25 06:03:57,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:57,814 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1564 transitions. [2023-12-25 06:03:57,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2023-12-25 06:03:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1564 transitions. [2023-12-25 06:03:57,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-25 06:03:57,821 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:57,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:57,830 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 [2023-12-25 06:03:58,030 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 [2023-12-25 06:03:58,031 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:58,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1795362302, now seen corresponding path program 1 times [2023-12-25 06:03:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:58,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091848165] [2023-12-25 06:03:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:58,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:58,053 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) [2023-12-25 06:03:58,054 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 [2023-12-25 06:03:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:58,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:58,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-25 06:03:58,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:58,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:58,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091848165] [2023-12-25 06:03:58,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091848165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:58,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:58,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107903205] [2023-12-25 06:03:58,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:58,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:58,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:58,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:58,140 INFO L87 Difference]: Start difference. First operand 1265 states and 1564 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:03:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:58,197 INFO L93 Difference]: Finished difference Result 1540 states and 1899 transitions. [2023-12-25 06:03:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2023-12-25 06:03:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:58,200 INFO L225 Difference]: With dead ends: 1540 [2023-12-25 06:03:58,200 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:03:58,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:58,203 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:58,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:58,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:03:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:03:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:03:58,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2023-12-25 06:03:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:58,205 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:03:58,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 06:03:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:03:58,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:03:58,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:03:58,214 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 [2023-12-25 06:03:58,411 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 [2023-12-25 06:03:58,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:03:59,348 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2023-12-25 06:03:59,349 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 259) the Hoare annotation is: true [2023-12-25 06:03:59,349 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2023-12-25 06:03:59,349 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2023-12-25 06:03:59,349 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 893) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-25 06:03:59,349 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 882 893) no Hoare annotation was computed. [2023-12-25 06:03:59,349 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 882 893) no Hoare annotation was computed. [2023-12-25 06:03:59,349 INFO L899 garLoopResultBuilder]: For program point L417(lines 392 421) no Hoare annotation was computed. [2023-12-25 06:03:59,349 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 392 421) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L413(line 413) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L902 garLoopResultBuilder]: At program point L406-1(lines 406 410) the Hoare annotation is: true [2023-12-25 06:03:59,350 INFO L902 garLoopResultBuilder]: At program point L402-2(lines 402 416) the Hoare annotation is: true [2023-12-25 06:03:59,350 INFO L902 garLoopResultBuilder]: At program point L398(line 398) the Hoare annotation is: true [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L398-1(line 398) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 392 421) the Hoare annotation is: true [2023-12-25 06:03:59,350 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= ~waterLevel~0 (_ bv1 32)) .cse7)) (.cse0 (not .cse5)) (.cse2 (not .cse6)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= ~waterLevel~0 (_ bv2 32)) .cse5 .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse4 .cse3)))) [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 219 243) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 138 157) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2023-12-25 06:03:59,350 INFO L899 garLoopResultBuilder]: For program point L862-2(lines 858 869) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 158) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) .cse0) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse3 .cse1 .cse2 .cse0) (or .cse3 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 383) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 386) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L373-1(lines 365 389) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 146 152) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2023-12-25 06:03:59,351 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse0 (and (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-25 06:03:59,352 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2023-12-25 06:03:59,352 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse2 .cse0 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-25 06:03:59,352 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-25 06:03:59,352 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-12-25 06:03:59,352 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:03:59,352 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:03:59,352 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2023-12-25 06:03:59,352 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:03:59,352 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 483) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L476-2(lines 476 483) no Hoare annotation was computed. [2023-12-25 06:03:59,353 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-12-25 06:03:59,353 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-25 06:03:59,353 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 167 191) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 935 948) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 167 191) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2)))) [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 870 881) no Hoare annotation was computed. [2023-12-25 06:03:59,354 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 870 881) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point L874-1(lines 870 881) no Hoare annotation was computed. [2023-12-25 06:03:59,355 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2023-12-25 06:03:59,355 INFO L895 garLoopResultBuilder]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or (= (_ bv1 32) |processEnvironment__wrappee__lowWaterSensor_~tmp~2#1|) .cse0 .cse2) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-25 06:03:59,355 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 217) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 193 217) no Hoare annotation was computed. [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2023-12-25 06:03:59,355 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2023-12-25 06:03:59,356 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2023-12-25 06:03:59,356 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2023-12-25 06:03:59,361 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:59,362 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:03:59,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:59 BoogieIcfgContainer [2023-12-25 06:03:59,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:03:59,374 INFO L158 Benchmark]: Toolchain (without parser) took 10706.51ms. Allocated memory was 200.3MB in the beginning and 383.8MB in the end (delta: 183.5MB). Free memory was 151.9MB in the beginning and 132.0MB in the end (delta: 20.0MB). Peak memory consumption was 204.9MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,374 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 200.3MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:03:59,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.11ms. Allocated memory is still 200.3MB. Free memory was 151.6MB in the beginning and 125.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.42ms. Allocated memory is still 200.3MB. Free memory was 125.1MB in the beginning and 122.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,375 INFO L158 Benchmark]: Boogie Preprocessor took 74.42ms. Allocated memory is still 200.3MB. Free memory was 122.9MB in the beginning and 120.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,376 INFO L158 Benchmark]: RCFGBuilder took 607.79ms. Allocated memory was 200.3MB in the beginning and 319.8MB in the end (delta: 119.5MB). Free memory was 120.3MB in the beginning and 270.4MB in the end (delta: -150.0MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,376 INFO L158 Benchmark]: TraceAbstraction took 9395.16ms. Allocated memory was 319.8MB in the beginning and 383.8MB in the end (delta: 64.0MB). Free memory was 269.9MB in the beginning and 132.0MB in the end (delta: 137.9MB). Peak memory consumption was 201.9MB. Max. memory is 8.0GB. [2023-12-25 06:03:59,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 200.3MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 575.11ms. Allocated memory is still 200.3MB. Free memory was 151.6MB in the beginning and 125.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.42ms. Allocated memory is still 200.3MB. Free memory was 125.1MB in the beginning and 122.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.42ms. Allocated memory is still 200.3MB. Free memory was 122.9MB in the beginning and 120.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 607.79ms. Allocated memory was 200.3MB in the beginning and 319.8MB in the end (delta: 119.5MB). Free memory was 120.3MB in the beginning and 270.4MB in the end (delta: -150.0MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. * TraceAbstraction took 9395.16ms. Allocated memory was 319.8MB in the beginning and 383.8MB in the end (delta: 64.0MB). Free memory was 269.9MB in the beginning and 132.0MB in the end (delta: 137.9MB). Peak memory consumption was 201.9MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 362]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] - GenericResultAtLocation [Line: 390]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] - GenericResultAtLocation [Line: 489]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] - GenericResultAtLocation [Line: 958]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] - GenericResultAtLocation [Line: 967]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] * 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: 963]: 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 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1342 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1302 mSDsluCounter, 2781 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1846 mSDsCounter, 466 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2643 IncrementalHoareTripleChecker+Invalid, 3109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 466 mSolverCounterUnsat, 935 mSDtfsCounter, 2643 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 661 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1265occurred in iteration=12, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 191 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 1442 PreInvPairs, 1487 NumberOfFragments, 620 HoareAnnotationTreeSize, 1442 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FormulaSimplificationsInter, 1560 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 1658 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1447 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 175/207 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: 65]: Loop Invariant Derived loop invariant: ((((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0)) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:03:59,426 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...