/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:04:41,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:04:41,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:04:41,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:04:41,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:04:41,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:04:41,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:04:41,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:04:41,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:04:41,361 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:04:41,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:04:41,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:04:41,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:04:41,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:04:41,363 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:04:41,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:04:41,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:04:41,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:04:41,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:04:41,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:04:41,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:04:41,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:04:41,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:04:41,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:04:41,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:04:41,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:04:41,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:04:41,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:04:41,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:04:41,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:41,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:04:41,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:04:41,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:04:41,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:04:41,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:04:41,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:04:41,370 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:04:41,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:04:41,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:04:41,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:04:41,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:04:41,606 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:04:41,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-25 06:04:42,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:04:43,043 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:04:43,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-25 06:04:43,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071529898/2b4731d3180846faad831a9422d1e632/FLAG3d2f4ea44 [2023-12-25 06:04:43,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071529898/2b4731d3180846faad831a9422d1e632 [2023-12-25 06:04:43,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:04:43,083 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:04:43,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:43,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:04:43,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:04:43,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385c8ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43, skipping insertion in model container [2023-12-25 06:04:43,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:43,306 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-25 06:04:43,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:43,379 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:04:43,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:43,439 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-25 06:04:43,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:43,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:04:43,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-25 06:04:43,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-12-25 06:04:43,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2023-12-25 06:04:43,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] [2023-12-25 06:04:43,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] [2023-12-25 06:04:43,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] [2023-12-25 06:04:43,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] [2023-12-25 06:04:43,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] [2023-12-25 06:04:43,520 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2023-12-25 06:04:43,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:43,543 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:04:43,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43 WrapperNode [2023-12-25 06:04:43,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:43,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:43,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:04:43,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:04:43,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,591 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 204 [2023-12-25 06:04:43,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:43,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:04:43,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:04:43,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:04:43,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,649 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:04:43,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:04:43,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:04:43,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:04:43,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:04:43,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (1/1) ... [2023-12-25 06:04:43,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:43,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:04:43,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:04:43,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:04:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:04:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:04:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:04:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:04:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:04:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:04:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:04:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:04:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:04:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:04:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:04:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:04:43,816 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:04:43,818 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:04:44,044 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:04:44,133 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:04:44,134 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:04:44,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:44 BoogieIcfgContainer [2023-12-25 06:04:44,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:04:44,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:04:44,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:04:44,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:04:44,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:04:43" (1/3) ... [2023-12-25 06:04:44,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07d4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:44, skipping insertion in model container [2023-12-25 06:04:44,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:43" (2/3) ... [2023-12-25 06:04:44,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07d4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:44, skipping insertion in model container [2023-12-25 06:04:44,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:44" (3/3) ... [2023-12-25 06:04:44,140 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2023-12-25 06:04:44,175 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:04:44,176 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:04:44,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:04:44,225 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;@c1452d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:04:44,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:04:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 06:04:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:04:44,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:44,238 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:44,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:44,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash -449197899, now seen corresponding path program 1 times [2023-12-25 06:04:44,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:44,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511510575] [2023-12-25 06:04:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:44,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:44,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:44,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:44,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:04:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:44,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:04:44,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:44,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:44,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:44,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511510575] [2023-12-25 06:04:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511510575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:44,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685285814] [2023-12-25 06:04:44,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:44,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:04:44,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:44,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:04:44,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:44,426 INFO L87 Difference]: Start difference. First operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:44,488 INFO L93 Difference]: Finished difference Result 164 states and 233 transitions. [2023-12-25 06:04:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:04:44,491 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-25 06:04:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:44,498 INFO L225 Difference]: With dead ends: 164 [2023-12-25 06:04:44,499 INFO L226 Difference]: Without dead ends: 78 [2023-12-25 06:04:44,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:44,505 INFO L413 NwaCegarLoop]: 95 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, 95 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 06:04:44,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-25 06:04:44,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-25 06:04:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 61 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:04:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2023-12-25 06:04:44,547 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 22 [2023-12-25 06:04:44,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:44,547 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2023-12-25 06:04:44,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2023-12-25 06:04:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:04:44,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:44,551 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:44,556 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 06:04:44,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:44,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:44,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash -202773606, now seen corresponding path program 1 times [2023-12-25 06:04:44,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:44,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204776337] [2023-12-25 06:04:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:44,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:44,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:44,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:44,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:04:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:44,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:44,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:44,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:44,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:44,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204776337] [2023-12-25 06:04:44,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204776337] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:44,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:44,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:44,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381382337] [2023-12-25 06:04:44,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:44,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:44,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:44,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:44,885 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:44,943 INFO L93 Difference]: Finished difference Result 126 states and 168 transitions. [2023-12-25 06:04:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:44,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-25 06:04:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:44,945 INFO L225 Difference]: With dead ends: 126 [2023-12-25 06:04:44,945 INFO L226 Difference]: Without dead ends: 70 [2023-12-25 06:04:44,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:44,947 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:44,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-25 06:04:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-25 06:04:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 06:04:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2023-12-25 06:04:44,956 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2023-12-25 06:04:44,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:44,956 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2023-12-25 06:04:44,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-12-25 06:04:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:44,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:44,958 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:44,965 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 (3)] Ended with exit code 0 [2023-12-25 06:04:45,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:45,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:45,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:45,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1368182408, now seen corresponding path program 1 times [2023-12-25 06:04:45,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:45,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945902183] [2023-12-25 06:04:45,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:45,171 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:45,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:04:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:45,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:45,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:45,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:45,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:45,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945902183] [2023-12-25 06:04:45,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945902183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:45,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:45,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:45,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376982868] [2023-12-25 06:04:45,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:45,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:45,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:45,287 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:45,392 INFO L93 Difference]: Finished difference Result 206 states and 279 transitions. [2023-12-25 06:04:45,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:45,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-25 06:04:45,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:45,401 INFO L225 Difference]: With dead ends: 206 [2023-12-25 06:04:45,401 INFO L226 Difference]: Without dead ends: 138 [2023-12-25 06:04:45,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:45,403 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 83 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:45,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 171 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:45,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-25 06:04:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2023-12-25 06:04:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 92 states have (on average 1.423913043478261) internal successors, (131), 107 states have internal predecessors, (131), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-25 06:04:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 183 transitions. [2023-12-25 06:04:45,439 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 183 transitions. Word has length 26 [2023-12-25 06:04:45,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:45,459 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 183 transitions. [2023-12-25 06:04:45,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-12-25 06:04:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-25 06:04:45,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:45,467 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:45,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-25 06:04:45,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:45,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:45,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 36370968, now seen corresponding path program 1 times [2023-12-25 06:04:45,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:45,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812622274] [2023-12-25 06:04:45,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:45,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:45,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:45,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:04:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:45,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:45,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:04:45,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:45,997 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:45,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812622274] [2023-12-25 06:04:45,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812622274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:45,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:45,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:04:45,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105374189] [2023-12-25 06:04:45,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:46,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:46,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:46,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:46,004 INFO L87 Difference]: Start difference. First operand 135 states and 183 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:46,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:46,297 INFO L93 Difference]: Finished difference Result 358 states and 489 transitions. [2023-12-25 06:04:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:04:46,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-25 06:04:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:46,303 INFO L225 Difference]: With dead ends: 358 [2023-12-25 06:04:46,304 INFO L226 Difference]: Without dead ends: 225 [2023-12-25 06:04:46,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:04:46,311 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 48 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:46,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 349 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:04:46,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-12-25 06:04:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 220. [2023-12-25 06:04:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 170 states have internal predecessors, (207), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-25 06:04:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 287 transitions. [2023-12-25 06:04:46,389 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 287 transitions. Word has length 29 [2023-12-25 06:04:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:46,389 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 287 transitions. [2023-12-25 06:04:46,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 287 transitions. [2023-12-25 06:04:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-25 06:04:46,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:46,392 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:46,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-25 06:04:46,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:46,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:46,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1201233109, now seen corresponding path program 1 times [2023-12-25 06:04:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:46,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152653355] [2023-12-25 06:04:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:46,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:46,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:46,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:04:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:46,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:46,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:46,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:46,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152653355] [2023-12-25 06:04:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152653355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:46,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:46,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:46,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111895100] [2023-12-25 06:04:46,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:46,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:46,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:46,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:46,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:46,767 INFO L87 Difference]: Start difference. First operand 220 states and 287 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:46,857 INFO L93 Difference]: Finished difference Result 446 states and 600 transitions. [2023-12-25 06:04:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:46,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-25 06:04:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:46,860 INFO L225 Difference]: With dead ends: 446 [2023-12-25 06:04:46,860 INFO L226 Difference]: Without dead ends: 228 [2023-12-25 06:04:46,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:46,862 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:46,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 237 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:46,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-25 06:04:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2023-12-25 06:04:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 174 states have internal predecessors, (211), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-25 06:04:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 291 transitions. [2023-12-25 06:04:46,924 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 291 transitions. Word has length 44 [2023-12-25 06:04:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:46,925 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 291 transitions. [2023-12-25 06:04:46,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 291 transitions. [2023-12-25 06:04:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-25 06:04:46,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:46,926 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:46,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:47,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:47,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:47,131 INFO L85 PathProgramCache]: Analyzing trace with hash -778531283, now seen corresponding path program 1 times [2023-12-25 06:04:47,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:47,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446751377] [2023-12-25 06:04:47,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:47,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:47,133 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:47,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:04:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:47,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:47,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:47,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:47,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:47,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446751377] [2023-12-25 06:04:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446751377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:47,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:04:47,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409044813] [2023-12-25 06:04:47,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:47,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:04:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:47,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:04:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:04:47,245 INFO L87 Difference]: Start difference. First operand 224 states and 291 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:47,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:47,346 INFO L93 Difference]: Finished difference Result 460 states and 616 transitions. [2023-12-25 06:04:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:04:47,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-25 06:04:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:47,350 INFO L225 Difference]: With dead ends: 460 [2023-12-25 06:04:47,350 INFO L226 Difference]: Without dead ends: 238 [2023-12-25 06:04:47,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:04:47,352 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 6 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:47,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 243 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-25 06:04:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2023-12-25 06:04:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 178 states have internal predecessors, (215), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-25 06:04:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 295 transitions. [2023-12-25 06:04:47,396 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 295 transitions. Word has length 44 [2023-12-25 06:04:47,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:47,397 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 295 transitions. [2023-12-25 06:04:47,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 295 transitions. [2023-12-25 06:04:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-25 06:04:47,399 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:47,399 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:47,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:47,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,603 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:47,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1710997679, now seen corresponding path program 1 times [2023-12-25 06:04:47,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323099296] [2023-12-25 06:04:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:47,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:47,605 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:47,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:04:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:47,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:04:47,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:47,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:47,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:47,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323099296] [2023-12-25 06:04:47,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323099296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:47,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:47,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371477496] [2023-12-25 06:04:47,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:47,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:47,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:47,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:47,688 INFO L87 Difference]: Start difference. First operand 228 states and 295 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:47,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:47,755 INFO L93 Difference]: Finished difference Result 544 states and 709 transitions. [2023-12-25 06:04:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:47,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-25 06:04:47,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:47,758 INFO L225 Difference]: With dead ends: 544 [2023-12-25 06:04:47,758 INFO L226 Difference]: Without dead ends: 318 [2023-12-25 06:04:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:47,759 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 34 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 157 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 06:04:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 157 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:47,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-12-25 06:04:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2023-12-25 06:04:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.2951541850220265) internal successors, (294), 246 states have internal predecessors, (294), 50 states have call successors, (50), 42 states have call predecessors, (50), 40 states have return successors, (58), 45 states have call predecessors, (58), 50 states have call successors, (58) [2023-12-25 06:04:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2023-12-25 06:04:47,774 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 44 [2023-12-25 06:04:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:47,775 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2023-12-25 06:04:47,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:04:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2023-12-25 06:04:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-25 06:04:47,776 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:47,776 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:47,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:47,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,979 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:47,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:47,980 INFO L85 PathProgramCache]: Analyzing trace with hash -733397867, now seen corresponding path program 1 times [2023-12-25 06:04:47,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:47,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640501221] [2023-12-25 06:04:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:47,995 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:48,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:04:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:48,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:04:48,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:48,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:48,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:48,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640501221] [2023-12-25 06:04:48,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640501221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:48,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:48,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:48,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717152110] [2023-12-25 06:04:48,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:48,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:04:48,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:48,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:04:48,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:04:48,183 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:04:48,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:48,637 INFO L93 Difference]: Finished difference Result 1020 states and 1351 transitions. [2023-12-25 06:04:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:04:48,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 48 [2023-12-25 06:04:48,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:48,658 INFO L225 Difference]: With dead ends: 1020 [2023-12-25 06:04:48,658 INFO L226 Difference]: Without dead ends: 794 [2023-12-25 06:04:48,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:48,661 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 216 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:48,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 374 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:04:48,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2023-12-25 06:04:48,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 758. [2023-12-25 06:04:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 537 states have (on average 1.2830540037243947) internal successors, (689), 587 states have internal predecessors, (689), 121 states have call successors, (121), 91 states have call predecessors, (121), 99 states have return successors, (153), 111 states have call predecessors, (153), 121 states have call successors, (153) [2023-12-25 06:04:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 963 transitions. [2023-12-25 06:04:48,730 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 963 transitions. Word has length 48 [2023-12-25 06:04:48,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:48,731 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 963 transitions. [2023-12-25 06:04:48,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:04:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 963 transitions. [2023-12-25 06:04:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-25 06:04:48,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:48,732 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1] [2023-12-25 06:04:48,752 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 06:04:48,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:48,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:48,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2067267942, now seen corresponding path program 1 times [2023-12-25 06:04:48,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:48,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139312034] [2023-12-25 06:04:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:48,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:48,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:48,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:04:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:48,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:48,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:49,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:49,041 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:49,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139312034] [2023-12-25 06:04:49,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139312034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:49,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:49,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:49,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859927819] [2023-12-25 06:04:49,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:49,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:49,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:49,043 INFO L87 Difference]: Start difference. First operand 758 states and 963 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:04:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:49,117 INFO L93 Difference]: Finished difference Result 1639 states and 2097 transitions. [2023-12-25 06:04:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:49,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 73 [2023-12-25 06:04:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:49,122 INFO L225 Difference]: With dead ends: 1639 [2023-12-25 06:04:49,122 INFO L226 Difference]: Without dead ends: 883 [2023-12-25 06:04:49,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:49,124 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 50 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:49,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 118 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-12-25 06:04:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 875. [2023-12-25 06:04:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 621 states have (on average 1.2785829307568437) internal successors, (794), 678 states have internal predecessors, (794), 139 states have call successors, (139), 106 states have call predecessors, (139), 114 states have return successors, (177), 128 states have call predecessors, (177), 139 states have call successors, (177) [2023-12-25 06:04:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1110 transitions. [2023-12-25 06:04:49,177 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1110 transitions. Word has length 73 [2023-12-25 06:04:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:49,177 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1110 transitions. [2023-12-25 06:04:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:04:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1110 transitions. [2023-12-25 06:04:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 06:04:49,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:49,179 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:49,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:49,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:49,382 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:49,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:49,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1943847318, now seen corresponding path program 1 times [2023-12-25 06:04:49,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:49,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889315078] [2023-12-25 06:04:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:49,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:49,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:49,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:49,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:04:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:49,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:04:49,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:49,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-25 06:04:49,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:49,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889315078] [2023-12-25 06:04:49,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889315078] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:49,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:49,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-25 06:04:49,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823445320] [2023-12-25 06:04:49,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:49,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 06:04:49,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:49,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 06:04:49,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:04:49,672 INFO L87 Difference]: Start difference. First operand 875 states and 1110 transitions. Second operand has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-25 06:04:50,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:50,173 INFO L93 Difference]: Finished difference Result 1992 states and 2625 transitions. [2023-12-25 06:04:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 06:04:50,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 84 [2023-12-25 06:04:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:50,179 INFO L225 Difference]: With dead ends: 1992 [2023-12-25 06:04:50,179 INFO L226 Difference]: Without dead ends: 1232 [2023-12-25 06:04:50,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-12-25 06:04:50,182 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 185 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:50,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 780 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:04:50,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2023-12-25 06:04:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1095. [2023-12-25 06:04:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 771 states have (on average 1.2594033722438391) internal successors, (971), 844 states have internal predecessors, (971), 175 states have call successors, (175), 142 states have call predecessors, (175), 148 states have return successors, (222), 159 states have call predecessors, (222), 175 states have call successors, (222) [2023-12-25 06:04:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1368 transitions. [2023-12-25 06:04:50,260 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1368 transitions. Word has length 84 [2023-12-25 06:04:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:50,261 INFO L495 AbstractCegarLoop]: Abstraction has 1095 states and 1368 transitions. [2023-12-25 06:04:50,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-25 06:04:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1368 transitions. [2023-12-25 06:04:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-25 06:04:50,264 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:50,264 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:50,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:50,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:50,468 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:50,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:50,469 INFO L85 PathProgramCache]: Analyzing trace with hash -842030118, now seen corresponding path program 1 times [2023-12-25 06:04:50,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:50,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022330366] [2023-12-25 06:04:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:50,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:50,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:50,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:50,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:04:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:50,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:04:50,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-25 06:04:50,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 62 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-25 06:04:51,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:51,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022330366] [2023-12-25 06:04:51,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022330366] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:51,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:51,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-25 06:04:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633170007] [2023-12-25 06:04:51,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:51,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-25 06:04:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-25 06:04:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-12-25 06:04:51,231 INFO L87 Difference]: Start difference. First operand 1095 states and 1368 transitions. Second operand has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) [2023-12-25 06:04:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:52,473 INFO L93 Difference]: Finished difference Result 3730 states and 4964 transitions. [2023-12-25 06:04:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-25 06:04:52,475 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) Word has length 152 [2023-12-25 06:04:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:52,505 INFO L225 Difference]: With dead ends: 3730 [2023-12-25 06:04:52,505 INFO L226 Difference]: Without dead ends: 2637 [2023-12-25 06:04:52,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2023-12-25 06:04:52,525 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 995 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:52,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 749 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 06:04:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2023-12-25 06:04:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2503. [2023-12-25 06:04:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1738 states have (on average 1.2543153049482163) internal successors, (2180), 1930 states have internal predecessors, (2180), 403 states have call successors, (403), 340 states have call predecessors, (403), 361 states have return successors, (587), 359 states have call predecessors, (587), 403 states have call successors, (587) [2023-12-25 06:04:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3170 transitions. [2023-12-25 06:04:52,929 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3170 transitions. Word has length 152 [2023-12-25 06:04:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:52,930 INFO L495 AbstractCegarLoop]: Abstraction has 2503 states and 3170 transitions. [2023-12-25 06:04:52,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 16 states have internal predecessors, (138), 10 states have call successors, (28), 5 states have call predecessors, (28), 8 states have return successors, (30), 8 states have call predecessors, (30), 10 states have call successors, (30) [2023-12-25 06:04:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3170 transitions. [2023-12-25 06:04:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-25 06:04:52,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:52,935 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:52,955 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 (12)] Ended with exit code 0 [2023-12-25 06:04:53,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:53,139 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:53,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2016032994, now seen corresponding path program 1 times [2023-12-25 06:04:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:53,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882329649] [2023-12-25 06:04:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:53,156 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 06:04:53,158 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 06:04:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:53,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-25 06:04:53,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 151 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-25 06:04:53,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-25 06:04:53,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:53,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882329649] [2023-12-25 06:04:53,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882329649] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:53,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-25 06:04:53,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616191707] [2023-12-25 06:04:53,718 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:53,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:04:53,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:04:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:04:53,719 INFO L87 Difference]: Start difference. First operand 2503 states and 3170 transitions. Second operand has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) [2023-12-25 06:04:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:54,271 INFO L93 Difference]: Finished difference Result 4981 states and 6369 transitions. [2023-12-25 06:04:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 06:04:54,271 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) Word has length 162 [2023-12-25 06:04:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:54,282 INFO L225 Difference]: With dead ends: 4981 [2023-12-25 06:04:54,283 INFO L226 Difference]: Without dead ends: 2593 [2023-12-25 06:04:54,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-12-25 06:04:54,288 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 183 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:54,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 418 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:04:54,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2023-12-25 06:04:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2409. [2023-12-25 06:04:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1677 states have (on average 1.2468694096601074) internal successors, (2091), 1851 states have internal predecessors, (2091), 371 states have call successors, (371), 329 states have call predecessors, (371), 360 states have return successors, (529), 345 states have call predecessors, (529), 371 states have call successors, (529) [2023-12-25 06:04:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 2991 transitions. [2023-12-25 06:04:54,515 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 2991 transitions. Word has length 162 [2023-12-25 06:04:54,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:54,516 INFO L495 AbstractCegarLoop]: Abstraction has 2409 states and 2991 transitions. [2023-12-25 06:04:54,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (31), 4 states have call predecessors, (31), 10 states have return successors, (33), 8 states have call predecessors, (33), 6 states have call successors, (33) [2023-12-25 06:04:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2991 transitions. [2023-12-25 06:04:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 06:04:54,520 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:54,520 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:54,526 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 06:04:54,723 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 06:04:54,724 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:54,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1818775323, now seen corresponding path program 1 times [2023-12-25 06:04:54,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:54,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881881358] [2023-12-25 06:04:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:54,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:54,726 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 06:04:54,728 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 06:04:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:54,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:04:54,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-25 06:04:54,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:54,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:54,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881881358] [2023-12-25 06:04:54,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881881358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:54,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:04:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092663776] [2023-12-25 06:04:54,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:54,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:54,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:54,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:54,984 INFO L87 Difference]: Start difference. First operand 2409 states and 2991 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 06:04:55,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:55,406 INFO L93 Difference]: Finished difference Result 7041 states and 8847 transitions. [2023-12-25 06:04:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:04:55,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 163 [2023-12-25 06:04:55,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:55,430 INFO L225 Difference]: With dead ends: 7041 [2023-12-25 06:04:55,431 INFO L226 Difference]: Without dead ends: 4634 [2023-12-25 06:04:55,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:55,440 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 26 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:55,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 322 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:55,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4634 states. [2023-12-25 06:04:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4634 to 4544. [2023-12-25 06:04:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4544 states, 3171 states have (on average 1.227057710501419) internal successors, (3891), 3494 states have internal predecessors, (3891), 686 states have call successors, (686), 622 states have call predecessors, (686), 686 states have return successors, (1002), 648 states have call predecessors, (1002), 686 states have call successors, (1002) [2023-12-25 06:04:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 5579 transitions. [2023-12-25 06:04:55,797 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 5579 transitions. Word has length 163 [2023-12-25 06:04:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:55,798 INFO L495 AbstractCegarLoop]: Abstraction has 4544 states and 5579 transitions. [2023-12-25 06:04:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 06:04:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 5579 transitions. [2023-12-25 06:04:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-25 06:04:55,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:55,805 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:55,810 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 06:04:56,008 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 06:04:56,008 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:56,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash -168716159, now seen corresponding path program 1 times [2023-12-25 06:04:56,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:56,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847698040] [2023-12-25 06:04:56,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:56,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:56,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:56,012 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:56,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 06:04:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:04:56,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-25 06:04:56,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:56,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:56,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847698040] [2023-12-25 06:04:56,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847698040] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:56,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:56,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:56,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260082568] [2023-12-25 06:04:56,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:56,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:56,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:56,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:56,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:56,149 INFO L87 Difference]: Start difference. First operand 4544 states and 5579 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 06:04:56,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:56,570 INFO L93 Difference]: Finished difference Result 8750 states and 10754 transitions. [2023-12-25 06:04:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:04:56,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 167 [2023-12-25 06:04:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:56,590 INFO L225 Difference]: With dead ends: 8750 [2023-12-25 06:04:56,590 INFO L226 Difference]: Without dead ends: 4208 [2023-12-25 06:04:56,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:56,604 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 61 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:56,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 588 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:56,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2023-12-25 06:04:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 4080. [2023-12-25 06:04:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4080 states, 2867 states have (on average 1.2002092779909312) internal successors, (3441), 3116 states have internal predecessors, (3441), 618 states have call successors, (618), 562 states have call predecessors, (618), 594 states have return successors, (795), 574 states have call predecessors, (795), 618 states have call successors, (795) [2023-12-25 06:04:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 4080 states and 4854 transitions. [2023-12-25 06:04:56,982 INFO L78 Accepts]: Start accepts. Automaton has 4080 states and 4854 transitions. Word has length 167 [2023-12-25 06:04:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:56,982 INFO L495 AbstractCegarLoop]: Abstraction has 4080 states and 4854 transitions. [2023-12-25 06:04:56,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 06:04:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 4854 transitions. [2023-12-25 06:04:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-25 06:04:56,989 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:56,989 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:56,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:57,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:57,193 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:57,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1565130257, now seen corresponding path program 1 times [2023-12-25 06:04:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:57,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23255130] [2023-12-25 06:04:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:57,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:57,196 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:57,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 06:04:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:57,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:04:57,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-25 06:04:57,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:57,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23255130] [2023-12-25 06:04:57,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23255130] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:57,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:57,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:04:57,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841263631] [2023-12-25 06:04:57,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:57,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:57,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:57,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:57,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:57,343 INFO L87 Difference]: Start difference. First operand 4080 states and 4854 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 06:04:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:57,712 INFO L93 Difference]: Finished difference Result 7580 states and 9068 transitions. [2023-12-25 06:04:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:04:57,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 171 [2023-12-25 06:04:57,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:57,733 INFO L225 Difference]: With dead ends: 7580 [2023-12-25 06:04:57,733 INFO L226 Difference]: Without dead ends: 3740 [2023-12-25 06:04:57,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:57,746 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 59 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:57,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 351 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2023-12-25 06:04:58,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3710. [2023-12-25 06:04:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3710 states, 2629 states have (on average 1.202358311144922) internal successors, (3161), 2834 states have internal predecessors, (3161), 550 states have call successors, (550), 506 states have call predecessors, (550), 530 states have return successors, (689), 508 states have call predecessors, (689), 550 states have call successors, (689) [2023-12-25 06:04:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 4400 transitions. [2023-12-25 06:04:58,116 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 4400 transitions. Word has length 171 [2023-12-25 06:04:58,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:58,117 INFO L495 AbstractCegarLoop]: Abstraction has 3710 states and 4400 transitions. [2023-12-25 06:04:58,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 06:04:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 4400 transitions. [2023-12-25 06:04:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-25 06:04:58,125 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:58,125 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:58,139 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 (16)] Ended with exit code 0 [2023-12-25 06:04:58,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:58,329 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:58,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:58,330 INFO L85 PathProgramCache]: Analyzing trace with hash -538023953, now seen corresponding path program 2 times [2023-12-25 06:04:58,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:58,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361423779] [2023-12-25 06:04:58,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 06:04:58,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:04:58,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:58,333 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:04:58,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 06:04:58,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 06:04:58,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 06:04:58,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-25 06:04:58,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 61 proven. 77 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-25 06:04:58,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:04:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 30 proven. 95 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-25 06:04:59,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:59,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361423779] [2023-12-25 06:04:59,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361423779] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:04:59,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:04:59,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2023-12-25 06:04:59,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396962677] [2023-12-25 06:04:59,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:04:59,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-25 06:04:59,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:59,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-25 06:04:59,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-12-25 06:04:59,302 INFO L87 Difference]: Start difference. First operand 3710 states and 4400 transitions. Second operand has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) [2023-12-25 06:05:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:00,035 INFO L93 Difference]: Finished difference Result 6118 states and 7467 transitions. [2023-12-25 06:05:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 06:05:00,036 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) Word has length 171 [2023-12-25 06:05:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:00,047 INFO L225 Difference]: With dead ends: 6118 [2023-12-25 06:05:00,047 INFO L226 Difference]: Without dead ends: 3204 [2023-12-25 06:05:00,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-25 06:05:00,056 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 628 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:00,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 658 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:05:00,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2023-12-25 06:05:00,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2870. [2023-12-25 06:05:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2043 states have (on average 1.1713166911404798) internal successors, (2393), 2169 states have internal predecessors, (2393), 435 states have call successors, (435), 397 states have call predecessors, (435), 391 states have return successors, (464), 388 states have call predecessors, (464), 435 states have call successors, (464) [2023-12-25 06:05:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3292 transitions. [2023-12-25 06:05:00,312 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3292 transitions. Word has length 171 [2023-12-25 06:05:00,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:00,312 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 3292 transitions. [2023-12-25 06:05:00,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.470588235294118) internal successors, (178), 17 states have internal predecessors, (178), 15 states have call successors, (37), 8 states have call predecessors, (37), 12 states have return successors, (37), 15 states have call predecessors, (37), 15 states have call successors, (37) [2023-12-25 06:05:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3292 transitions. [2023-12-25 06:05:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-25 06:05:00,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:00,319 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:00,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:00,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:00,524 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:00,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:00,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1820056830, now seen corresponding path program 1 times [2023-12-25 06:05:00,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:00,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932909137] [2023-12-25 06:05:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:00,525 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 06:05:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:00,526 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:00,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 06:05:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:00,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-25 06:05:00,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 132 proven. 60 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-12-25 06:05:00,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:05:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 78 proven. 103 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-25 06:05:01,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:01,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932909137] [2023-12-25 06:05:01,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932909137] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:05:01,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:05:01,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2023-12-25 06:05:01,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775164884] [2023-12-25 06:05:01,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:05:01,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-25 06:05:01,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:01,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-25 06:05:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2023-12-25 06:05:01,412 INFO L87 Difference]: Start difference. First operand 2870 states and 3292 transitions. Second operand has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) [2023-12-25 06:05:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:02,270 INFO L93 Difference]: Finished difference Result 4568 states and 5275 transitions. [2023-12-25 06:05:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 06:05:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) Word has length 201 [2023-12-25 06:05:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:02,272 INFO L225 Difference]: With dead ends: 4568 [2023-12-25 06:05:02,272 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:05:02,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2023-12-25 06:05:02,277 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 612 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:02,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 706 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 06:05:02,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:05:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:05:02,278 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 06:05:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:05:02,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2023-12-25 06:05:02,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:02,279 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:05:02,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.363636363636363) internal successors, (184), 21 states have internal predecessors, (184), 14 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (40), 14 states have call predecessors, (40), 14 states have call successors, (40) [2023-12-25 06:05:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:05:02,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:05:02,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:05:02,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:02,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:02,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:05:18,360 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-12-25 06:05:18,361 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= |old(~pumpRunning~0)| (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not .cse10)) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (and .cse6 .cse10 (not .cse0))) (.cse5 (= ~waterLevel~0 (_ bv3 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse3) (or .cse6 .cse0 .cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse8 .cse3) (or .cse0 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5)))) [2023-12-25 06:05:18,361 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2023-12-25 06:05:18,361 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2023-12-25 06:05:18,361 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 769) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse3 .cse8) (or .cse0 .cse1 .cse3 .cse9) (or .cse0 .cse1 .cse7 .cse3) (or .cse6 .cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse2 .cse3 .cse8) (or .cse0 .cse9 .cse4 .cse5) (or .cse6 .cse1 .cse3 .cse9 .cse8) (or .cse0 .cse7 .cse4 .cse5))) [2023-12-25 06:05:18,361 INFO L899 garLoopResultBuilder]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2023-12-25 06:05:18,361 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2023-12-25 06:05:18,361 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-12-25 06:05:18,361 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-12-25 06:05:18,362 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-12-25 06:05:18,362 INFO L899 garLoopResultBuilder]: For program point L852(lines 827 856) no Hoare annotation was computed. [2023-12-25 06:05:18,362 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-12-25 06:05:18,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-12-25 06:05:18,362 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-12-25 06:05:18,362 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-12-25 06:05:18,362 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-12-25 06:05:18,362 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse4 (= (_ bv1 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse18 (= (_ bv0 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse19 (= ~waterLevel~0 (_ bv0 32)))) (let ((.cse12 (and .cse2 .cse18 .cse3 .cse19)) (.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse10 (and .cse18 .cse3 .cse19 .cse11)) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse15 (and .cse4 .cse5 .cse11)) (.cse0 (not .cse16)) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse13 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse14 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse17 (and .cse18 .cse19 .cse11)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse1 .cse8 .cse9 .cse10 .cse7) (or .cse0 .cse1 (and .cse3 .cse4 .cse5 .cse11) .cse9 .cse7) (or .cse12 .cse1 .cse13 .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse12 .cse1 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse8 .cse6 .cse7) (or .cse1 .cse13 .cse9 .cse10 .cse7) (or .cse14 .cse8 .cse6 .cse15) (or .cse13 .cse14 .cse16 .cse17 .cse9) (or .cse0 .cse14 .cse6) (or .cse14 .cse8 .cse9 .cse15) (or .cse0 .cse14 .cse9) (or .cse13 .cse14 .cse16 .cse17 .cse6)))) [2023-12-25 06:05:18,362 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse13 (not .cse6)) (.cse14 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse13 .cse14)) (.cse11 (and (= ~waterLevel~0 (_ bv2 32)) .cse13 .cse14)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse12 (and (= ~waterLevel~0 (_ bv0 32)) .cse13 .cse14)) (.cse10 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not .cse2)) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse7 .cse8) (or .cse6 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse3 .cse4 .cse8) (or .cse9 .cse6 .cse4 .cse8) (or .cse6 .cse10 .cse4 .cse8 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse3 .cse7 .cse5) (or .cse9 .cse0 .cse11 .cse1 .cse7) (or .cse0 .cse12 .cse10 .cse1 .cse2 .cse4) (or .cse6 .cse10 .cse7 .cse8) (or .cse9 .cse11 .cse1 .cse4) (or .cse0 .cse12 .cse10 .cse1 .cse2 .cse7) (or .cse9 .cse6 .cse7 .cse8))))) [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L738-2(lines 734 745) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse25 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~waterLevel~0 (_ bv0 32))) (.cse21 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse22 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse19 (and .cse17 .cse21 .cse22)) (.cse9 (and .cse25 .cse22)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse16 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse14)) (.cse20 (and .cse11 .cse25)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not .cse10)) (.cse18 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse24 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse15 (not .cse0)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 .cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse3 .cse4) (or .cse0 .cse16 (and .cse11 .cse2 .cse17) .cse8 .cse4 .cse5) (or .cse18 .cse16 .cse19 .cse7 .cse10 .cse8) (or .cse16 .cse19 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse20) (or .cse18 .cse7 .cse10 .cse1 .cse3 (and .cse13 .cse21 .cse22)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse7 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse10 .cse3 (and .cse11 .cse12 .cse17 .cse14 .cse15) .cse4) (or .cse6 .cse0 .cse3 .cse4 .cse20) (or (and .cse13 .cse22) .cse7 .cse1 .cse8) (or .cse18 (and .cse11 .cse13 .cse23 .cse15) .cse0 .cse24 .cse1 .cse8 .cse4) (or .cse6 .cse18 .cse0 .cse24 (and .cse23 .cse15) .cse8 .cse4)))) [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L941-1(line 941) no Hoare annotation was computed. [2023-12-25 06:05:18,363 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 526) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 513 539) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse25 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~waterLevel~0 (_ bv0 32))) (.cse21 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse22 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse19 (and .cse17 .cse21 .cse22)) (.cse9 (and .cse25 .cse22)) (.cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse16 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse3 (not .cse14)) (.cse20 (and .cse11 .cse25)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not .cse10)) (.cse18 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse24 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse23 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse15 (not .cse0)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (or .cse0 .cse10 .cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse3 .cse4) (or .cse0 .cse16 (and .cse11 .cse2 .cse17) .cse8 .cse4 .cse5) (or .cse18 .cse16 .cse19 .cse7 .cse10 .cse8) (or .cse16 .cse19 .cse7 .cse3) (or .cse6 .cse0 .cse8 .cse4 .cse20) (or .cse18 .cse7 .cse10 .cse1 .cse3 (and .cse13 .cse21 .cse22)) (or .cse6 .cse7 .cse3 .cse9) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse7 .cse2 .cse3 .cse5) (or .cse0 .cse16 .cse10 .cse3 (and .cse11 .cse12 .cse17 .cse14 .cse15) .cse4) (or .cse6 .cse0 .cse3 .cse4 .cse20) (or (and .cse13 .cse22) .cse7 .cse1 .cse8) (or .cse18 (and .cse11 .cse13 .cse23 .cse15) .cse0 .cse24 .cse1 .cse8 .cse4) (or .cse6 .cse18 .cse0 .cse24 (and .cse23 .cse15) .cse8 .cse4)))) [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2023-12-25 06:05:18,364 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse9 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse13 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv0 32)))) (let ((.cse4 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv0 32)) .cse13)) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse8 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse7 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (not .cse9)) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse1 .cse5 .cse3) (or .cse6 .cse1 .cse5) (or .cse4 .cse0 .cse7 .cse5 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse7 .cse2 .cse3) (or .cse8 .cse7 .cse6 .cse9 .cse5) (or .cse6 .cse1 .cse2) (or .cse10 .cse6 .cse5) (or .cse8 .cse7 .cse6 .cse9 .cse2) (or .cse10 .cse6 .cse2) (or .cse10 .cse0 .cse2 .cse3) (or .cse10 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv1 32)) .cse13) .cse0 .cse5 .cse3)))) [2023-12-25 06:05:18,364 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32))) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) |old(~waterLevel~0)|))) (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse13 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse7 (not .cse2)) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse8 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (and .cse10 .cse11 .cse12 (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse3 .cse6 .cse5) (or .cse7 .cse0 .cse6 .cse5) (or .cse0 .cse8 .cse6 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse9 .cse3 .cse6) (or .cse7 .cse0 .cse4 .cse5 (and .cse10 .cse11 .cse12 (= ~waterLevel~0 (_ bv1 32)))) (or .cse13 .cse8 .cse9 .cse2 .cse6) (or .cse9 .cse3 .cse4) (or .cse7 .cse9 .cse6) (or .cse13 .cse8 .cse9 .cse2 .cse4) (or .cse7 .cse9 .cse4) (or .cse0 .cse8 .cse1 .cse2 .cse4 .cse5)))) [2023-12-25 06:05:18,365 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (let ((.cse7 (and .cse12 .cse13 (= ~waterLevel~0 (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (and .cse12 .cse13 (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse1 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse5 (not .cse11)) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse0 .cse2 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse8 .cse3 .cse4) (or .cse9 .cse8 .cse3) (or .cse10 .cse1 .cse9 .cse11 .cse3) (or .cse5 .cse0 .cse3 .cse7 .cse4) (or .cse9 .cse8 .cse6) (or .cse0 .cse2 .cse11 .cse8 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse11 .cse6 .cse4) (or .cse5 .cse9 .cse3) (or .cse10 .cse1 .cse9 .cse11 .cse6) (or .cse5 .cse9 .cse6)))) [2023-12-25 06:05:18,365 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L899 garLoopResultBuilder]: For program point L494(lines 431 498) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2023-12-25 06:05:18,365 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse3 .cse4) (and .cse0 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4))) [2023-12-25 06:05:18,366 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-25 06:05:18,366 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2023-12-25 06:05:18,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:05:18,366 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-12-25 06:05:18,366 INFO L895 garLoopResultBuilder]: At program point L479-2(lines 471 486) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse8 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 (not (= ~switchedOnBeforeTS~0 (_ bv0 32))) .cse3 .cse4) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse8 .cse3 .cse4))) [2023-12-25 06:05:18,366 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2023-12-25 06:05:18,366 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 486) no Hoare annotation was computed. [2023-12-25 06:05:18,366 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 920) no Hoare annotation was computed. [2023-12-25 06:05:18,366 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse1 .cse6 .cse4 .cse7) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse8 .cse3 .cse4))) [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L913-2(lines 913 920) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7) (and .cse8 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse7) (and .cse2 .cse8 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse4))) [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L750-1(lines 746 757) no Hoare annotation was computed. [2023-12-25 06:05:18,367 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 757) the Hoare annotation is: (let ((.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse10 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse9 .cse4) (or .cse10 .cse11 .cse6 .cse4) (or .cse0 .cse7 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse6 .cse8) (or .cse6 .cse1 .cse8 .cse2) (or .cse10 .cse11 .cse0 .cse4 .cse5))) [2023-12-25 06:05:18,367 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse7 .cse8 .cse3 .cse9) (or .cse0 .cse7 .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse8))) [2023-12-25 06:05:18,367 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 548 572) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse10 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse5 .cse8 .cse3) (or .cse0 .cse1 .cse9 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4) (or .cse6 .cse0 .cse7 .cse9 .cse5 .cse8) (or .cse0 .cse10 .cse1 .cse5 .cse4) (or .cse0 .cse10 .cse1 .cse2 .cse4))) [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7 .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse9) (or .cse0 .cse8 .cse1 .cse4 .cse9))) [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 607 623) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 811 824) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse3 .cse7 .cse8) (or .cse0 .cse9 .cse1 .cse4) (or .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse8) (or .cse5 .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 .cse9 .cse1 .cse3))) [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2023-12-25 06:05:18,368 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2023-12-25 06:05:18,369 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2023-12-25 06:05:18,369 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2023-12-25 06:05:18,369 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 651) the Hoare annotation is: true [2023-12-25 06:05:18,369 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2023-12-25 06:05:18,369 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 632 642) the Hoare annotation is: true [2023-12-25 06:05:18,371 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:18,373 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:05:18,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:05:18 BoogieIcfgContainer [2023-12-25 06:05:18,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:05:18,388 INFO L158 Benchmark]: Toolchain (without parser) took 35304.22ms. Allocated memory was 203.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 156.8MB in the beginning and 981.5MB in the end (delta: -824.7MB). Peak memory consumption was 781.0MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,388 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 163.6MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:05:18,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.15ms. Allocated memory is still 203.4MB. Free memory was 156.5MB in the beginning and 130.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.51ms. Allocated memory is still 203.4MB. Free memory was 130.3MB in the beginning and 127.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,389 INFO L158 Benchmark]: Boogie Preprocessor took 75.89ms. Allocated memory is still 203.4MB. Free memory was 127.9MB in the beginning and 125.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,389 INFO L158 Benchmark]: RCFGBuilder took 465.82ms. Allocated memory is still 203.4MB. Free memory was 125.4MB in the beginning and 150.6MB in the end (delta: -25.2MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,389 INFO L158 Benchmark]: TraceAbstraction took 34251.58ms. Allocated memory was 203.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 150.1MB in the beginning and 981.5MB in the end (delta: -831.5MB). Peak memory consumption was 773.4MB. Max. memory is 8.0GB. [2023-12-25 06:05:18,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 163.6MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.15ms. Allocated memory is still 203.4MB. Free memory was 156.5MB in the beginning and 130.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.51ms. Allocated memory is still 203.4MB. Free memory was 130.3MB in the beginning and 127.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.89ms. Allocated memory is still 203.4MB. Free memory was 127.9MB in the beginning and 125.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 465.82ms. Allocated memory is still 203.4MB. Free memory was 125.4MB in the beginning and 150.6MB in the end (delta: -25.2MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * TraceAbstraction took 34251.58ms. Allocated memory was 203.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 150.1MB in the beginning and 981.5MB in the end (delta: -831.5MB). Peak memory consumption was 773.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] - GenericResultAtLocation [Line: 975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] * 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: 420]: 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 10 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.2s, OverallIterations: 17, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3270 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3202 mSDsluCounter, 6462 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4700 mSDsCounter, 1231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5366 IncrementalHoareTripleChecker+Invalid, 6597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1231 mSolverCounterUnsat, 1762 mSDtfsCounter, 5366 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2464 GetRequests, 2299 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4544occurred in iteration=13, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 8326 PreInvPairs, 8821 NumberOfFragments, 4020 HoareAnnotationTreeSize, 8326 FormulaSimplifications, 31308 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 27 FormulaSimplificationsInter, 63371 FormulaSimplificationTreeSizeReductionInter, 14.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1624 NumberOfCodeBlocks, 1624 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2372 ConstructedInterpolants, 0 QuantifiedInterpolants, 5918 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3366 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 1981/2423 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: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((((((((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && !((systemActive == 0))) && (splverifierCounter == 0)) || ((((waterLevel == 1) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 2) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((waterLevel == 0) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 1)) && !((systemActive == 0))) && (splverifierCounter == 0))) || ((((waterLevel == 2) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((methaneLevelCritical == 0) && (waterLevel == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (switchedOnBeforeTS == 1)) && (waterLevel == 0)) && !((systemActive == 0))) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2023-12-25 06:05:18,427 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...