/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:41:55,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:41:55,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:41:55,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:41:55,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:41:55,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:41:55,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:41:55,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:41:55,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:41:55,916 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:41:55,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:41:55,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:41:55,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:41:55,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:41:55,919 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:41:55,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:41:55,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:41:55,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:41:55,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:41:55,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:41:55,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:41:55,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:41:55,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:41:55,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:41:55,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:41:55,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:55,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:41:55,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:41:55,926 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:41:56,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:41:56,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:41:56,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:41:56,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:41:56,145 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:41:56,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2023-12-16 17:41:57,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:41:57,289 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:41:57,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2023-12-16 17:41:57,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7316d4dd2/c64021050f1b426b8fe5cca24d3aa3fc/FLAG7b437dbc8 [2023-12-16 17:41:57,312 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7316d4dd2/c64021050f1b426b8fe5cca24d3aa3fc [2023-12-16 17:41:57,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:41:57,315 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:41:57,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:57,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:41:57,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:41:57,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b68800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57, skipping insertion in model container [2023-12-16 17:41:57,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:57,476 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c[1605,1618] [2023-12-16 17:41:57,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:57,578 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:41:57,583 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:57,586 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c[1605,1618] [2023-12-16 17:41:57,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:57,628 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:41:57,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-16 17:41:57,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [388] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [549] [2023-12-16 17:41:57,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [915] [2023-12-16 17:41:57,649 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c[1605,1618] [2023-12-16 17:41:57,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:57,699 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:41:57,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57 WrapperNode [2023-12-16 17:41:57,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:57,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:57,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:41:57,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:41:57,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,741 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 225 [2023-12-16 17:41:57,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:57,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:41:57,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:41:57,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:41:57,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,766 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:41:57,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:41:57,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:41:57,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:41:57,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:41:57,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (1/1) ... [2023-12-16 17:41:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:57,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:41:57,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:41:57,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:41:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:41:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:41:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:41:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:41:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:41:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:41:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:41:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:41:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:41:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:41:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:41:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:41:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:41:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:41:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:41:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:41:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:41:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:41:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:41:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:41:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:41:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:41:57,891 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:41:57,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:41:58,198 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:41:58,271 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:41:58,271 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:41:58,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:58 BoogieIcfgContainer [2023-12-16 17:41:58,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:41:58,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:41:58,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:41:58,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:41:58,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:41:57" (1/3) ... [2023-12-16 17:41:58,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c589de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:58, skipping insertion in model container [2023-12-16 17:41:58,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:57" (2/3) ... [2023-12-16 17:41:58,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c589de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:58, skipping insertion in model container [2023-12-16 17:41:58,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:58" (3/3) ... [2023-12-16 17:41:58,280 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2023-12-16 17:41:58,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:41:58,294 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:41:58,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:41:58,338 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;@364fb744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:41:58,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:41:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.5272727272727273) 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), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:41:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-16 17:41:58,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:58,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:58,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:58,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:58,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1245774375, now seen corresponding path program 1 times [2023-12-16 17:41:58,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:58,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446495128] [2023-12-16 17:41:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:58,383 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 [2023-12-16 17:41:58,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:58,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:58,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:41:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:58,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:41:58,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:58,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:58,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446495128] [2023-12-16 17:41:58,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446495128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:58,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:58,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:58,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947944662] [2023-12-16 17:41:58,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:58,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:41:58,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:41:58,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:58,514 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.5272727272727273) 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), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:58,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:58,573 INFO L93 Difference]: Finished difference Result 162 states and 233 transitions. [2023-12-16 17:41:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:41:58,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-16 17:41:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:58,582 INFO L225 Difference]: With dead ends: 162 [2023-12-16 17:41:58,582 INFO L226 Difference]: Without dead ends: 77 [2023-12-16 17:41:58,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:58,587 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 [2023-12-16 17:41:58,588 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] [2023-12-16 17:41:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-16 17:41:58,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-16 17:41:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.4230769230769231) 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), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 17:41:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2023-12-16 17:41:58,622 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 12 [2023-12-16 17:41:58,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:58,623 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2023-12-16 17:41:58,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-12-16 17:41:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-16 17:41:58,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:58,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:58,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:58,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:58,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:58,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2018430265, now seen corresponding path program 1 times [2023-12-16 17:41:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:58,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943126513] [2023-12-16 17:41:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:58,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:58,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:58,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:58,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:41:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:58,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:58,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:58,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:58,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:58,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943126513] [2023-12-16 17:41:58,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943126513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:58,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:58,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:58,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286798329] [2023-12-16 17:41:58,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:58,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:58,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:58,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:58,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:58,892 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:58,931 INFO L93 Difference]: Finished difference Result 127 states and 173 transitions. [2023-12-16 17:41:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:58,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-16 17:41:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:58,932 INFO L225 Difference]: With dead ends: 127 [2023-12-16 17:41:58,932 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 17:41:58,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:58,934 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:58,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 149 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 17:41:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 17:41:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.446808510638298) internal successors, (68), 56 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:41:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-16 17:41:58,940 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 13 [2023-12-16 17:41:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:58,941 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-16 17:41:58,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-16 17:41:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-16 17:41:58,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:58,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:58,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:59,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:59,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash 428466048, now seen corresponding path program 1 times [2023-12-16 17:41:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:59,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230884345] [2023-12-16 17:41:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:59,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:59,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:41:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:59,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:59,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:59,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:59,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230884345] [2023-12-16 17:41:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230884345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:59,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:59,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:59,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300943882] [2023-12-16 17:41:59,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:59,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:59,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:59,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:59,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:59,203 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:59,245 INFO L93 Difference]: Finished difference Result 136 states and 187 transitions. [2023-12-16 17:41:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-16 17:41:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:59,248 INFO L225 Difference]: With dead ends: 136 [2023-12-16 17:41:59,248 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 17:41:59,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:59,250 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 89 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:59,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 79 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:59,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 17:41:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 17:41:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 56 states have internal predecessors, (67), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:41:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2023-12-16 17:41:59,269 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 16 [2023-12-16 17:41:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:59,269 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2023-12-16 17:41:59,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-12-16 17:41:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:41:59,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:59,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:59,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:59,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:59,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1919446139, now seen corresponding path program 1 times [2023-12-16 17:41:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:59,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492229949] [2023-12-16 17:41:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:59,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:59,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:59,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:41:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:59,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:59,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:59,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:59,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:59,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492229949] [2023-12-16 17:41:59,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492229949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:59,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:59,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:59,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912860682] [2023-12-16 17:41:59,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:59,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:59,634 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:41:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:59,682 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2023-12-16 17:41:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:59,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-12-16 17:41:59,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:59,684 INFO L225 Difference]: With dead ends: 177 [2023-12-16 17:41:59,685 INFO L226 Difference]: Without dead ends: 110 [2023-12-16 17:41:59,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:59,690 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 57 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:59,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 134 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-16 17:41:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2023-12-16 17:41:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 15 states have call predecessors, (16), 15 states have return successors, (22), 14 states have call predecessors, (22), 16 states have call successors, (22) [2023-12-16 17:41:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 142 transitions. [2023-12-16 17:41:59,710 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 142 transitions. Word has length 26 [2023-12-16 17:41:59,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:59,710 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 142 transitions. [2023-12-16 17:41:59,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:41:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2023-12-16 17:41:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-16 17:41:59,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:59,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:59,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 17:41:59,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:59,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:59,920 INFO L85 PathProgramCache]: Analyzing trace with hash -453978174, now seen corresponding path program 1 times [2023-12-16 17:41:59,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:59,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980755998] [2023-12-16 17:41:59,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:59,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:59,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:59,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:59,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:41:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:59,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:41:59,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:00,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:00,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980755998] [2023-12-16 17:42:00,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980755998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:00,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120786954] [2023-12-16 17:42:00,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:00,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:00,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:00,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:00,029 INFO L87 Difference]: Start difference. First operand 108 states and 142 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:42:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:00,080 INFO L93 Difference]: Finished difference Result 288 states and 392 transitions. [2023-12-16 17:42:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:00,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-12-16 17:42:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:00,082 INFO L225 Difference]: With dead ends: 288 [2023-12-16 17:42:00,082 INFO L226 Difference]: Without dead ends: 182 [2023-12-16 17:42:00,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:42:00,083 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 26 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:00,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 227 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-16 17:42:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2023-12-16 17:42:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 130 states have (on average 1.323076923076923) internal successors, (172), 142 states have internal predecessors, (172), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (38), 24 states have call predecessors, (38), 26 states have call successors, (38) [2023-12-16 17:42:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2023-12-16 17:42:00,104 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 36 [2023-12-16 17:42:00,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:00,104 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2023-12-16 17:42:00,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:42:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2023-12-16 17:42:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:42:00,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:00,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:00,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:00,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:00,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:00,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:00,315 INFO L85 PathProgramCache]: Analyzing trace with hash 785372712, now seen corresponding path program 1 times [2023-12-16 17:42:00,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:00,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855947674] [2023-12-16 17:42:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:00,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:00,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:00,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:00,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:42:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:00,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:00,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:00,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:00,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:00,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855947674] [2023-12-16 17:42:00,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855947674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:00,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:00,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:00,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988061826] [2023-12-16 17:42:00,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:00,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:00,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:00,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:00,403 INFO L87 Difference]: Start difference. First operand 182 states and 236 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:42:00,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:00,793 INFO L93 Difference]: Finished difference Result 518 states and 707 transitions. [2023-12-16 17:42:00,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 17:42:00,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2023-12-16 17:42:00,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:00,796 INFO L225 Difference]: With dead ends: 518 [2023-12-16 17:42:00,796 INFO L226 Difference]: Without dead ends: 412 [2023-12-16 17:42:00,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 17:42:00,797 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 233 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:00,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 264 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 17:42:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-16 17:42:00,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 395. [2023-12-16 17:42:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 283 states have (on average 1.332155477031802) internal successors, (377), 312 states have internal predecessors, (377), 55 states have call successors, (55), 48 states have call predecessors, (55), 56 states have return successors, (86), 53 states have call predecessors, (86), 55 states have call successors, (86) [2023-12-16 17:42:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2023-12-16 17:42:00,828 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 40 [2023-12-16 17:42:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:00,829 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2023-12-16 17:42:00,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:42:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2023-12-16 17:42:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:42:00,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:00,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:00,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-16 17:42:01,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,035 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:01,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -802975190, now seen corresponding path program 1 times [2023-12-16 17:42:01,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:01,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304642155] [2023-12-16 17:42:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:01,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:01,038 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:01,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 17:42:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:01,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:01,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:01,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:01,096 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:01,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304642155] [2023-12-16 17:42:01,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304642155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:01,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:01,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:01,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629433627] [2023-12-16 17:42:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:01,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:01,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:01,097 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:01,174 INFO L93 Difference]: Finished difference Result 736 states and 1001 transitions. [2023-12-16 17:42:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:42:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-12-16 17:42:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:01,176 INFO L225 Difference]: With dead ends: 736 [2023-12-16 17:42:01,176 INFO L226 Difference]: Without dead ends: 412 [2023-12-16 17:42:01,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:42:01,177 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 10 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:01,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 260 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-16 17:42:01,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 397. [2023-12-16 17:42:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 285 states have (on average 1.3263157894736841) internal successors, (378), 314 states have internal predecessors, (378), 55 states have call successors, (55), 48 states have call predecessors, (55), 56 states have return successors, (86), 53 states have call predecessors, (86), 55 states have call successors, (86) [2023-12-16 17:42:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 519 transitions. [2023-12-16 17:42:01,200 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 519 transitions. Word has length 40 [2023-12-16 17:42:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:01,200 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 519 transitions. [2023-12-16 17:42:01,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 519 transitions. [2023-12-16 17:42:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 17:42:01,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:01,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:01,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:01,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:01,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2082838868, now seen corresponding path program 1 times [2023-12-16 17:42:01,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:01,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045618869] [2023-12-16 17:42:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:01,406 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:01,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 17:42:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:01,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:01,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:01,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:01,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:01,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045618869] [2023-12-16 17:42:01,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045618869] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:01,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:01,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:01,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056529685] [2023-12-16 17:42:01,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:01,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:01,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:01,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:01,474 INFO L87 Difference]: Start difference. First operand 397 states and 519 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:01,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:01,522 INFO L93 Difference]: Finished difference Result 822 states and 1106 transitions. [2023-12-16 17:42:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:01,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-12-16 17:42:01,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:01,524 INFO L225 Difference]: With dead ends: 822 [2023-12-16 17:42:01,524 INFO L226 Difference]: Without dead ends: 427 [2023-12-16 17:42:01,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:01,526 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:01,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 253 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:01,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-12-16 17:42:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 400. [2023-12-16 17:42:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 290 states have (on average 1.3172413793103448) internal successors, (382), 318 states have internal predecessors, (382), 54 states have call successors, (54), 47 states have call predecessors, (54), 55 states have return successors, (85), 52 states have call predecessors, (85), 54 states have call successors, (85) [2023-12-16 17:42:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 521 transitions. [2023-12-16 17:42:01,553 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 521 transitions. Word has length 40 [2023-12-16 17:42:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:01,554 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 521 transitions. [2023-12-16 17:42:01,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 521 transitions. [2023-12-16 17:42:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-16 17:42:01,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:01,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:01,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:01,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,759 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:01,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1291336618, now seen corresponding path program 1 times [2023-12-16 17:42:01,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212794014] [2023-12-16 17:42:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:01,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:01,764 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:01,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 17:42:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:01,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:42:01,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:01,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:01,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:01,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212794014] [2023-12-16 17:42:01,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1212794014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:01,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:01,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:01,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572639330] [2023-12-16 17:42:01,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:01,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:42:01,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:01,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:42:01,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:42:01,882 INFO L87 Difference]: Start difference. First operand 400 states and 521 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:02,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:02,212 INFO L93 Difference]: Finished difference Result 735 states and 958 transitions. [2023-12-16 17:42:02,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 17:42:02,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-12-16 17:42:02,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:02,215 INFO L225 Difference]: With dead ends: 735 [2023-12-16 17:42:02,215 INFO L226 Difference]: Without dead ends: 408 [2023-12-16 17:42:02,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-16 17:42:02,217 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 208 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:02,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 347 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 17:42:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-12-16 17:42:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 398. [2023-12-16 17:42:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 288 states have (on average 1.3055555555555556) internal successors, (376), 316 states have internal predecessors, (376), 54 states have call successors, (54), 47 states have call predecessors, (54), 55 states have return successors, (85), 52 states have call predecessors, (85), 54 states have call successors, (85) [2023-12-16 17:42:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 515 transitions. [2023-12-16 17:42:02,256 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 515 transitions. Word has length 43 [2023-12-16 17:42:02,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:02,258 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 515 transitions. [2023-12-16 17:42:02,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 515 transitions. [2023-12-16 17:42:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 17:42:02,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:02,259 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 17:42:02,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:02,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:02,462 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:02,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash -845666940, now seen corresponding path program 1 times [2023-12-16 17:42:02,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:02,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412414809] [2023-12-16 17:42:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:02,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:02,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:02,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:02,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:42:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:02,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:02,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 17:42:02,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:02,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412414809] [2023-12-16 17:42:02,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412414809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:02,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:02,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:02,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707080387] [2023-12-16 17:42:02,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:02,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:02,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:02,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:02,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:02,519 INFO L87 Difference]: Start difference. First operand 398 states and 515 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:42:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:02,561 INFO L93 Difference]: Finished difference Result 800 states and 1082 transitions. [2023-12-16 17:42:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:02,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2023-12-16 17:42:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:02,563 INFO L225 Difference]: With dead ends: 800 [2023-12-16 17:42:02,563 INFO L226 Difference]: Without dead ends: 404 [2023-12-16 17:42:02,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:02,565 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:02,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 234 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2023-12-16 17:42:02,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2023-12-16 17:42:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 288 states have (on average 1.2951388888888888) internal successors, (373), 316 states have internal predecessors, (373), 54 states have call successors, (54), 47 states have call predecessors, (54), 55 states have return successors, (85), 52 states have call predecessors, (85), 54 states have call successors, (85) [2023-12-16 17:42:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 512 transitions. [2023-12-16 17:42:02,583 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 512 transitions. Word has length 65 [2023-12-16 17:42:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:02,583 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 512 transitions. [2023-12-16 17:42:02,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:42:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 512 transitions. [2023-12-16 17:42:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 17:42:02,584 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:02,584 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 17:42:02,589 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 [2023-12-16 17:42:02,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:02,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:02,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:02,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1399912514, now seen corresponding path program 1 times [2023-12-16 17:42:02,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:02,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796548191] [2023-12-16 17:42:02,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:02,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:02,788 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:02,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 17:42:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:02,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:02,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 17:42:02,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:02,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:02,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796548191] [2023-12-16 17:42:02,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796548191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:02,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:02,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:02,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5869730] [2023-12-16 17:42:02,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:02,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:02,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:02,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:02,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:02,844 INFO L87 Difference]: Start difference. First operand 398 states and 512 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:42:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:02,888 INFO L93 Difference]: Finished difference Result 749 states and 1002 transitions. [2023-12-16 17:42:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2023-12-16 17:42:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:02,890 INFO L225 Difference]: With dead ends: 749 [2023-12-16 17:42:02,890 INFO L226 Difference]: Without dead ends: 353 [2023-12-16 17:42:02,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:42:02,891 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 6 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:02,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 230 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-12-16 17:42:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2023-12-16 17:42:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 252 states have (on average 1.2857142857142858) internal successors, (324), 276 states have internal predecessors, (324), 50 states have call successors, (50), 43 states have call predecessors, (50), 48 states have return successors, (70), 45 states have call predecessors, (70), 50 states have call successors, (70) [2023-12-16 17:42:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2023-12-16 17:42:02,907 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 65 [2023-12-16 17:42:02,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:02,907 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2023-12-16 17:42:02,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 17:42:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2023-12-16 17:42:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 17:42:02,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:02,908 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 17:42:02,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:03,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:03,110 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:03,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2007615782, now seen corresponding path program 1 times [2023-12-16 17:42:03,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:03,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224309785] [2023-12-16 17:42:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:03,112 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:03,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 17:42:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:03,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:03,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-16 17:42:03,228 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:03,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:03,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224309785] [2023-12-16 17:42:03,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224309785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:03,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:03,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:03,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827389034] [2023-12-16 17:42:03,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:03,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:03,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:03,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:03,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:03,229 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-16 17:42:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:03,350 INFO L93 Difference]: Finished difference Result 1056 states and 1350 transitions. [2023-12-16 17:42:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:42:03,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2023-12-16 17:42:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:03,353 INFO L225 Difference]: With dead ends: 1056 [2023-12-16 17:42:03,353 INFO L226 Difference]: Without dead ends: 707 [2023-12-16 17:42:03,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:42:03,354 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 38 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:03,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 368 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:03,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2023-12-16 17:42:03,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 695. [2023-12-16 17:42:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 501 states have (on average 1.2674650698602794) internal successors, (635), 545 states have internal predecessors, (635), 97 states have call successors, (97), 86 states have call predecessors, (97), 96 states have return successors, (144), 90 states have call predecessors, (144), 97 states have call successors, (144) [2023-12-16 17:42:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 876 transitions. [2023-12-16 17:42:03,395 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 876 transitions. Word has length 69 [2023-12-16 17:42:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:03,395 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 876 transitions. [2023-12-16 17:42:03,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-16 17:42:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 876 transitions. [2023-12-16 17:42:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 17:42:03,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:03,397 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:03,416 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 (13)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:03,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:03,599 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:03,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:03,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1064709730, now seen corresponding path program 1 times [2023-12-16 17:42:03,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:03,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062977464] [2023-12-16 17:42:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:03,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:03,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:03,601 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:03,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-16 17:42:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:03,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:42:03,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 17:42:03,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 17:42:03,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:03,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062977464] [2023-12-16 17:42:03,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062977464] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:03,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:03,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-16 17:42:03,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376486157] [2023-12-16 17:42:03,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:03,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 17:42:03,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:03,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 17:42:03,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-12-16 17:42:03,901 INFO L87 Difference]: Start difference. First operand 695 states and 876 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2023-12-16 17:42:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:04,747 INFO L93 Difference]: Finished difference Result 1933 states and 2640 transitions. [2023-12-16 17:42:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-16 17:42:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 73 [2023-12-16 17:42:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:04,753 INFO L225 Difference]: With dead ends: 1933 [2023-12-16 17:42:04,753 INFO L226 Difference]: Without dead ends: 1318 [2023-12-16 17:42:04,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2023-12-16 17:42:04,755 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 516 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:04,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 506 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 17:42:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-12-16 17:42:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1282. [2023-12-16 17:42:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 917 states have (on average 1.2649945474372954) internal successors, (1160), 994 states have internal predecessors, (1160), 180 states have call successors, (180), 162 states have call predecessors, (180), 184 states have return successors, (377), 172 states have call predecessors, (377), 180 states have call successors, (377) [2023-12-16 17:42:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1717 transitions. [2023-12-16 17:42:04,815 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1717 transitions. Word has length 73 [2023-12-16 17:42:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:04,816 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1717 transitions. [2023-12-16 17:42:04,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2023-12-16 17:42:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1717 transitions. [2023-12-16 17:42:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 17:42:04,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:04,817 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:04,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:05,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:05,020 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:05,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1751741837, now seen corresponding path program 1 times [2023-12-16 17:42:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:05,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842442395] [2023-12-16 17:42:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:05,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:05,022 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:05,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-16 17:42:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:05,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:42:05,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 17:42:05,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 17:42:05,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:05,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842442395] [2023-12-16 17:42:05,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842442395] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:05,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:05,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2023-12-16 17:42:05,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245030667] [2023-12-16 17:42:05,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:05,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 17:42:05,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:05,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 17:42:05,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-16 17:42:05,499 INFO L87 Difference]: Start difference. First operand 1282 states and 1717 transitions. Second operand has 18 states, 18 states have (on average 6.555555555555555) internal successors, (118), 17 states have internal predecessors, (118), 11 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (24), 11 states have call predecessors, (24), 11 states have call successors, (24) [2023-12-16 17:42:06,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:06,228 INFO L93 Difference]: Finished difference Result 2631 states and 3697 transitions. [2023-12-16 17:42:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:42:06,229 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.555555555555555) internal successors, (118), 17 states have internal predecessors, (118), 11 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (24), 11 states have call predecessors, (24), 11 states have call successors, (24) Word has length 112 [2023-12-16 17:42:06,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:06,234 INFO L225 Difference]: With dead ends: 2631 [2023-12-16 17:42:06,234 INFO L226 Difference]: Without dead ends: 1429 [2023-12-16 17:42:06,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2023-12-16 17:42:06,238 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 449 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:06,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 759 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 17:42:06,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2023-12-16 17:42:06,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1309. [2023-12-16 17:42:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 939 states have (on average 1.2364217252396166) internal successors, (1161), 1011 states have internal predecessors, (1161), 185 states have call successors, (185), 168 states have call predecessors, (185), 184 states have return successors, (260), 170 states have call predecessors, (260), 185 states have call successors, (260) [2023-12-16 17:42:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1606 transitions. [2023-12-16 17:42:06,332 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1606 transitions. Word has length 112 [2023-12-16 17:42:06,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:06,332 INFO L495 AbstractCegarLoop]: Abstraction has 1309 states and 1606 transitions. [2023-12-16 17:42:06,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.555555555555555) internal successors, (118), 17 states have internal predecessors, (118), 11 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (24), 11 states have call predecessors, (24), 11 states have call successors, (24) [2023-12-16 17:42:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1606 transitions. [2023-12-16 17:42:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 17:42:06,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:06,334 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:06,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:06,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:06,537 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:06,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:06,537 INFO L85 PathProgramCache]: Analyzing trace with hash -604063413, now seen corresponding path program 1 times [2023-12-16 17:42:06,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:06,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517009832] [2023-12-16 17:42:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:06,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:06,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:06,539 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:06,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-16 17:42:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:06,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:06,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 17:42:06,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:06,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:06,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517009832] [2023-12-16 17:42:06,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517009832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:06,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:06,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285055539] [2023-12-16 17:42:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:06,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:06,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:06,609 INFO L87 Difference]: Start difference. First operand 1309 states and 1606 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 17:42:06,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:06,646 INFO L93 Difference]: Finished difference Result 1596 states and 1951 transitions. [2023-12-16 17:42:06,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:06,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2023-12-16 17:42:06,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:06,647 INFO L225 Difference]: With dead ends: 1596 [2023-12-16 17:42:06,647 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:42:06,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:06,650 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:06,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 203 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:06,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:42:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:42:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:42:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:42:06,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2023-12-16 17:42:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:06,651 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:42:06,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 17:42:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:42:06,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:42:06,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:42:06,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:06,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:06,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:42:07,612 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2023-12-16 17:42:07,612 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 285) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 168 174) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 168 174) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 942 953) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 942 953) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L480(lines 455 484) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 455 484) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L902 garLoopResultBuilder]: At program point L469-1(lines 469 473) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L902 garLoopResultBuilder]: At program point L465-2(lines 465 479) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L902 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L461-1(line 461) no Hoare annotation was computed. [2023-12-16 17:42:07,613 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 455 484) the Hoare annotation is: true [2023-12-16 17:42:07,613 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 155 161) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse0 (and (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-16 17:42:07,614 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse2 .cse0 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-16 17:42:07,614 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse0 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L234-1(line 234) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= ~waterLevel~0 (_ bv1 32)) .cse7)) (.cse0 (not .cse5)) (.cse2 (not .cse6)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= ~waterLevel~0 (_ bv2 32)) .cse5 .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse4 .cse3)))) [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L247-1(lines 228 252) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 147 166) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 244) no Hoare annotation was computed. [2023-12-16 17:42:07,614 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 167) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (and (= ~waterLevel~0 (_ bv1 32)) .cse0) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse3 .cse1 .cse2 .cse0) (or .cse3 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2023-12-16 17:42:07,614 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 249) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L922-2(lines 918 929) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 411) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 390 414) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 167) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 543) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-16 17:42:07,615 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 536 543) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:42:07,615 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2023-12-16 17:42:07,616 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 104 117) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-16 17:42:07,616 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2023-12-16 17:42:07,616 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:42:07,616 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2023-12-16 17:42:07,617 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-16 17:42:07,617 INFO L899 garLoopResultBuilder]: For program point L125(lines 64 129) no Hoare annotation was computed. [2023-12-16 17:42:07,617 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 192) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 197) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-16 17:42:07,618 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 995 1008) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 176 200) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 176 200) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0))))) [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L268-2(lines 261 277) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1005) no Hoare annotation was computed. [2023-12-16 17:42:07,618 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 930 941) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 930 941) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L370-2(lines 370 374) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 202 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-16 17:42:07,619 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2023-12-16 17:42:07,619 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv1 32))) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 218) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 223) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 202 226) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 286 296) no Hoare annotation was computed. [2023-12-16 17:42:07,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 286 296) the Hoare annotation is: true [2023-12-16 17:42:07,621 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:07,622 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:42:07,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:42:07 BoogieIcfgContainer [2023-12-16 17:42:07,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:42:07,631 INFO L158 Benchmark]: Toolchain (without parser) took 10316.26ms. Allocated memory was 192.9MB in the beginning and 332.4MB in the end (delta: 139.5MB). Free memory was 156.1MB in the beginning and 155.3MB in the end (delta: 825.9kB). Peak memory consumption was 141.6MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,631 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:42:07,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.71ms. Allocated memory is still 192.9MB. Free memory was 156.1MB in the beginning and 129.6MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 192.9MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,632 INFO L158 Benchmark]: Boogie Preprocessor took 35.07ms. Allocated memory is still 192.9MB. Free memory was 127.1MB in the beginning and 124.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,632 INFO L158 Benchmark]: RCFGBuilder took 494.58ms. Allocated memory was 192.9MB in the beginning and 276.8MB in the end (delta: 83.9MB). Free memory was 124.4MB in the beginning and 237.1MB in the end (delta: -112.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,632 INFO L158 Benchmark]: TraceAbstraction took 9355.91ms. Allocated memory was 276.8MB in the beginning and 332.4MB in the end (delta: 55.6MB). Free memory was 236.6MB in the beginning and 155.3MB in the end (delta: 81.3MB). Peak memory consumption was 137.4MB. Max. memory is 8.0GB. [2023-12-16 17:42:07,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.71ms. Allocated memory is still 192.9MB. Free memory was 156.1MB in the beginning and 129.6MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 192.9MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.07ms. Allocated memory is still 192.9MB. Free memory was 127.1MB in the beginning and 124.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 494.58ms. Allocated memory was 192.9MB in the beginning and 276.8MB in the end (delta: 83.9MB). Free memory was 124.4MB in the beginning and 237.1MB in the end (delta: -112.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 9355.91ms. Allocated memory was 276.8MB in the beginning and 332.4MB in the end (delta: 55.6MB). Free memory was 236.6MB in the beginning and 155.3MB in the end (delta: 81.3MB). Peak memory consumption was 137.4MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 388]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [388] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [549] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [915] * 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: 54]: 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, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1718 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1653 mSDsluCounter, 4108 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2867 mSDsCounter, 591 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3848 IncrementalHoareTripleChecker+Invalid, 4439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 591 mSolverCounterUnsat, 1241 mSDtfsCounter, 3848 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1309occurred in iteration=14, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 247 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 2169 PreInvPairs, 2216 NumberOfFragments, 687 HoareAnnotationTreeSize, 2169 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FormulaSimplificationsInter, 1664 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 1981 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1853 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 237/269 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: 74]: Loop Invariant Derived loop invariant: ((((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0)) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:42:07,644 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...