/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:05:11,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:05:11,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:05:11,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:05:11,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:05:11,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:05:11,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:05:11,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:05:11,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:05:11,524 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:05:11,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:05:11,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:05:11,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:05:11,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:05:11,525 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:05:11,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:05:11,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:05:11,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:05:11,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:05:11,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:05:11,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:05:11,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:05:11,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:05:11,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:05:11,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:05:11,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:05:11,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:05:11,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:05:11,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:05:11,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:05:11,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:05:11,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:05:11,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:05:11,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:05:11,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:05:11,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:05:11,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:05:11,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:05:11,534 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:05:11,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:05:11,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:05:11,537 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:05:11,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:05:11,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:05:11,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:05:11,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:05:11,880 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:05:11,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2023-12-25 06:05:13,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:05:14,084 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:05:14,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2023-12-25 06:05:14,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b34d4cbe/6817ed7c5018418aa236fd8fa89d2227/FLAGa2cc0b659 [2023-12-25 06:05:14,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b34d4cbe/6817ed7c5018418aa236fd8fa89d2227 [2023-12-25 06:05:14,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:05:14,127 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:05:14,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:05:14,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:05:14,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:05:14,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:14,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b2f175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14, skipping insertion in model container [2023-12-25 06:05:14,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:14,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:05:14,498 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-12-25 06:05:14,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:05:14,703 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:05:14,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:05:14,730 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-12-25 06:05:14,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:05:14,839 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:05:14,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-25 06:05:14,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] [2023-12-25 06:05:14,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] [2023-12-25 06:05:14,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] [2023-12-25 06:05:14,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-12-25 06:05:14,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] [2023-12-25 06:05:14,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] [2023-12-25 06:05:14,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] [2023-12-25 06:05:14,874 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-12-25 06:05:14,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:05:14,991 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:05:14,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14 WrapperNode [2023-12-25 06:05:14,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:05:14,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:05:14,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:05:14,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:05:14,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,062 INFO L138 Inliner]: procedures = 62, calls = 109, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 231 [2023-12-25 06:05:15,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:05:15,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:05:15,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:05:15,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:05:15,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,139 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:05:15,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:05:15,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:05:15,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:05:15,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:05:15,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (1/1) ... [2023-12-25 06:05:15,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:05:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:05:15,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:05:15,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:05:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:05:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:05:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:05:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:05:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:05:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:05:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:05:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:05:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:05:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:05:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:05:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:05:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:05:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:05:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:05:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:05:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:05:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:05:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:05:15,453 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:05:15,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:05:15,979 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:05:16,157 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:05:16,157 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:05:16,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:05:16 BoogieIcfgContainer [2023-12-25 06:05:16,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:05:16,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:05:16,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:05:16,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:05:16,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:05:14" (1/3) ... [2023-12-25 06:05:16,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fefe3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:05:16, skipping insertion in model container [2023-12-25 06:05:16,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:05:14" (2/3) ... [2023-12-25 06:05:16,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fefe3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:05:16, skipping insertion in model container [2023-12-25 06:05:16,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:05:16" (3/3) ... [2023-12-25 06:05:16,170 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2023-12-25 06:05:16,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:05:16,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:05:16,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:05:16,296 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;@139656e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:05:16,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:05:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-25 06:05:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:05:16,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:16,325 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:16,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:16,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:16,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1768623423, now seen corresponding path program 1 times [2023-12-25 06:05:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:16,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313732195] [2023-12-25 06:05:16,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:16,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:16,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:16,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:16,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:05:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:16,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:05:16,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:05:16,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:16,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313732195] [2023-12-25 06:05:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313732195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:16,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:16,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:05:16,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081643197] [2023-12-25 06:05:16,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:16,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:05:16,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:16,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:05:16,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:05:16,619 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:16,713 INFO L93 Difference]: Finished difference Result 184 states and 263 transitions. [2023-12-25 06:05:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:05:16,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-25 06:05:16,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:16,722 INFO L225 Difference]: With dead ends: 184 [2023-12-25 06:05:16,723 INFO L226 Difference]: Without dead ends: 88 [2023-12-25 06:05:16,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:05:16,729 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:16,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-25 06:05:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-25 06:05:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 69 states have internal predecessors, (83), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:05:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-12-25 06:05:16,807 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 22 [2023-12-25 06:05:16,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:16,808 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-12-25 06:05:16,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-12-25 06:05:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:05:16,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:16,813 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:16,840 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 (2)] Ended with exit code 0 [2023-12-25 06:05:17,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:17,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:17,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash 541963458, now seen corresponding path program 1 times [2023-12-25 06:05:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:17,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606192478] [2023-12-25 06:05:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:17,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:17,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:17,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:05:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:17,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:05:17,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:05:17,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:17,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:17,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606192478] [2023-12-25 06:05:17,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606192478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:17,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:17,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:05:17,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069799848] [2023-12-25 06:05:17,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:17,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:05:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:17,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:05:17,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:17,177 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:17,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:17,256 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-25 06:05:17,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:05:17,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-25 06:05:17,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:17,259 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:05:17,259 INFO L226 Difference]: Without dead ends: 80 [2023-12-25 06:05:17,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:17,263 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:17,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-25 06:05:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-25 06:05:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 64 states have internal predecessors, (77), 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) [2023-12-25 06:05:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-12-25 06:05:17,283 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 23 [2023-12-25 06:05:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:17,284 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-12-25 06:05:17,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-12-25 06:05:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:05:17,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:17,285 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:17,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:17,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:17,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:17,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:17,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1027451880, now seen corresponding path program 1 times [2023-12-25 06:05:17,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:17,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71647918] [2023-12-25 06:05:17,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:17,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:17,495 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:17,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:05:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:17,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:05:17,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:05:17,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:17,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:17,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71647918] [2023-12-25 06:05:17,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71647918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:17,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:17,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:05:17,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203839568] [2023-12-25 06:05:17,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:17,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:05:17,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:17,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:05:17,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:17,634 INFO L87 Difference]: Start difference. First operand 80 states and 109 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:05:17,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:17,731 INFO L93 Difference]: Finished difference Result 236 states and 324 transitions. [2023-12-25 06:05:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:05:17,732 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-25 06:05:17,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:17,736 INFO L225 Difference]: With dead ends: 236 [2023-12-25 06:05:17,736 INFO L226 Difference]: Without dead ends: 158 [2023-12-25 06:05:17,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:17,739 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 91 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:17,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 201 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:05:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-25 06:05:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2023-12-25 06:05:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 123 states have internal predecessors, (149), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-25 06:05:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2023-12-25 06:05:17,788 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2023-12-25 06:05:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:17,789 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2023-12-25 06:05:17,789 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:05:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2023-12-25 06:05:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-25 06:05:17,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:17,802 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:17,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:18,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:18,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:18,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1399715380, now seen corresponding path program 1 times [2023-12-25 06:05:18,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:18,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019288788] [2023-12-25 06:05:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:18,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:18,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:18,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:18,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:05:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:18,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:05:18,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:05:18,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:18,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:18,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019288788] [2023-12-25 06:05:18,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019288788] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:18,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:18,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:05:18,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763350706] [2023-12-25 06:05:18,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:18,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:05:18,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:18,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:05:18,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:05:18,195 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:18,427 INFO L93 Difference]: Finished difference Result 406 states and 565 transitions. [2023-12-25 06:05:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:05:18,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-25 06:05:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:18,431 INFO L225 Difference]: With dead ends: 406 [2023-12-25 06:05:18,432 INFO L226 Difference]: Without dead ends: 253 [2023-12-25 06:05:18,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:05:18,436 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 64 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:18,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 408 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:05:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-12-25 06:05:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2023-12-25 06:05:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 171 states have (on average 1.3508771929824561) internal successors, (231), 190 states have internal predecessors, (231), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-12-25 06:05:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 327 transitions. [2023-12-25 06:05:18,473 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 327 transitions. Word has length 29 [2023-12-25 06:05:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:18,473 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 327 transitions. [2023-12-25 06:05:18,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:05:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 327 transitions. [2023-12-25 06:05:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-25 06:05:18,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:18,475 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:18,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:18,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:18,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:18,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:18,678 INFO L85 PathProgramCache]: Analyzing trace with hash -173196600, now seen corresponding path program 1 times [2023-12-25 06:05:18,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:18,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713406397] [2023-12-25 06:05:18,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:18,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:18,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:18,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:18,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:05:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:18,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:05:18,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:05:18,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:18,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:18,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713406397] [2023-12-25 06:05:18,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713406397] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:18,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:18,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:05:18,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007440688] [2023-12-25 06:05:18,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:18,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:05:18,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:18,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:05:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:18,831 INFO L87 Difference]: Start difference. First operand 248 states and 327 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:18,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:18,923 INFO L93 Difference]: Finished difference Result 502 states and 688 transitions. [2023-12-25 06:05:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:05:18,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-25 06:05:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:18,926 INFO L225 Difference]: With dead ends: 502 [2023-12-25 06:05:18,926 INFO L226 Difference]: Without dead ends: 256 [2023-12-25 06:05:18,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:18,927 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 2 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:18,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 279 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:18,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-12-25 06:05:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2023-12-25 06:05:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 194 states have internal predecessors, (235), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-12-25 06:05:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 331 transitions. [2023-12-25 06:05:18,962 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 331 transitions. Word has length 49 [2023-12-25 06:05:18,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:18,963 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 331 transitions. [2023-12-25 06:05:18,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 331 transitions. [2023-12-25 06:05:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-25 06:05:18,965 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:18,965 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:18,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:19,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:19,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:19,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1978634934, now seen corresponding path program 1 times [2023-12-25 06:05:19,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:19,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927563440] [2023-12-25 06:05:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:19,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:19,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:19,174 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:19,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:05:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:19,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:05:19,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:05:19,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:19,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:19,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927563440] [2023-12-25 06:05:19,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927563440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:19,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:19,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:05:19,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744877856] [2023-12-25 06:05:19,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:19,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:05:19,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:19,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:05:19,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:19,295 INFO L87 Difference]: Start difference. First operand 252 states and 331 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:19,379 INFO L93 Difference]: Finished difference Result 516 states and 704 transitions. [2023-12-25 06:05:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:05:19,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-25 06:05:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:19,383 INFO L225 Difference]: With dead ends: 516 [2023-12-25 06:05:19,383 INFO L226 Difference]: Without dead ends: 266 [2023-12-25 06:05:19,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:05:19,384 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 6 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:19,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 278 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:05:19,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-12-25 06:05:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 256. [2023-12-25 06:05:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.335195530726257) internal successors, (239), 198 states have internal predecessors, (239), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-12-25 06:05:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2023-12-25 06:05:19,426 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 49 [2023-12-25 06:05:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:19,427 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2023-12-25 06:05:19,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2023-12-25 06:05:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-25 06:05:19,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:19,439 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:19,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:19,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:19,642 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:19,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:19,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1838086324, now seen corresponding path program 1 times [2023-12-25 06:05:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:19,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475643939] [2023-12-25 06:05:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:19,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:19,645 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:19,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:05:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:19,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:05:19,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:05:19,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:19,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:19,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475643939] [2023-12-25 06:05:19,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475643939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:19,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:19,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:05:19,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360902299] [2023-12-25 06:05:19,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:19,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:05:19,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:19,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:05:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:19,793 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:19,877 INFO L93 Difference]: Finished difference Result 610 states and 803 transitions. [2023-12-25 06:05:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:05:19,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-25 06:05:19,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:19,880 INFO L225 Difference]: With dead ends: 610 [2023-12-25 06:05:19,880 INFO L226 Difference]: Without dead ends: 356 [2023-12-25 06:05:19,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:19,881 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 36 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:19,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 185 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-12-25 06:05:19,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2023-12-25 06:05:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 251 states have (on average 1.2908366533864541) internal successors, (324), 272 states have internal predecessors, (324), 58 states have call successors, (58), 48 states have call predecessors, (58), 46 states have return successors, (70), 51 states have call predecessors, (70), 58 states have call successors, (70) [2023-12-25 06:05:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 452 transitions. [2023-12-25 06:05:19,927 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 452 transitions. Word has length 49 [2023-12-25 06:05:19,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:19,927 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 452 transitions. [2023-12-25 06:05:19,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:05:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 452 transitions. [2023-12-25 06:05:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-25 06:05:19,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:19,929 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:19,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:20,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:20,132 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:20,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:20,133 INFO L85 PathProgramCache]: Analyzing trace with hash -444083930, now seen corresponding path program 1 times [2023-12-25 06:05:20,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:20,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127739232] [2023-12-25 06:05:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:20,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:20,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:20,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:20,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:05:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:20,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:05:20,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:05:20,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:20,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:20,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127739232] [2023-12-25 06:05:20,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127739232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:20,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:20,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:05:20,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533803900] [2023-12-25 06:05:20,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:20,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:05:20,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:20,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:05:20,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:05:20,483 INFO L87 Difference]: Start difference. First operand 356 states and 452 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:05:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:21,088 INFO L93 Difference]: Finished difference Result 1128 states and 1503 transitions. [2023-12-25 06:05:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:05:21,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2023-12-25 06:05:21,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:21,094 INFO L225 Difference]: With dead ends: 1128 [2023-12-25 06:05:21,094 INFO L226 Difference]: Without dead ends: 874 [2023-12-25 06:05:21,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:05:21,097 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 252 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:21,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 376 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 06:05:21,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2023-12-25 06:05:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 838. [2023-12-25 06:05:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 587 states have (on average 1.2793867120954003) internal successors, (751), 641 states have internal predecessors, (751), 137 states have call successors, (137), 103 states have call predecessors, (137), 113 states have return successors, (177), 125 states have call predecessors, (177), 137 states have call successors, (177) [2023-12-25 06:05:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1065 transitions. [2023-12-25 06:05:21,155 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1065 transitions. Word has length 53 [2023-12-25 06:05:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:21,156 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1065 transitions. [2023-12-25 06:05:21,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-25 06:05:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1065 transitions. [2023-12-25 06:05:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 06:05:21,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:21,159 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1] [2023-12-25 06:05:21,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:21,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:21,362 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:21,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:21,363 INFO L85 PathProgramCache]: Analyzing trace with hash -937529434, now seen corresponding path program 1 times [2023-12-25 06:05:21,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:21,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678868732] [2023-12-25 06:05:21,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:21,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:21,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:21,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:21,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:05:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:21,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:05:21,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 06:05:21,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:21,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678868732] [2023-12-25 06:05:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678868732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:21,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:21,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:05:21,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877200979] [2023-12-25 06:05:21,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:21,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:05:21,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:05:21,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:21,493 INFO L87 Difference]: Start difference. First operand 838 states and 1065 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-25 06:05:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:21,571 INFO L93 Difference]: Finished difference Result 977 states and 1241 transitions. [2023-12-25 06:05:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:05:21,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 77 [2023-12-25 06:05:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:21,580 INFO L225 Difference]: With dead ends: 977 [2023-12-25 06:05:21,580 INFO L226 Difference]: Without dead ends: 411 [2023-12-25 06:05:21,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:05:21,597 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 33 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:21,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 216 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:21,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-12-25 06:05:21,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-12-25 06:05:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 288 states have (on average 1.2395833333333333) internal successors, (357), 313 states have internal predecessors, (357), 66 states have call successors, (66), 51 states have call predecessors, (66), 56 states have return successors, (86), 61 states have call predecessors, (86), 66 states have call successors, (86) [2023-12-25 06:05:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 509 transitions. [2023-12-25 06:05:21,635 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 509 transitions. Word has length 77 [2023-12-25 06:05:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:21,635 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 509 transitions. [2023-12-25 06:05:21,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-25 06:05:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 509 transitions. [2023-12-25 06:05:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-25 06:05:21,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:21,653 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:21,658 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 (10)] Ended with exit code 0 [2023-12-25 06:05:21,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:21,856 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:21,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1255693796, now seen corresponding path program 1 times [2023-12-25 06:05:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515124338] [2023-12-25 06:05:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:21,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:21,877 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:21,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:05:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:22,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:05:22,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 06:05:22,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:05:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-25 06:05:22,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:22,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515124338] [2023-12-25 06:05:22,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515124338] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:05:22,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:05:22,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2023-12-25 06:05:22,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455033973] [2023-12-25 06:05:22,547 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:05:22,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:05:22,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:22,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:05:22,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:05:22,548 INFO L87 Difference]: Start difference. First operand 411 states and 509 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2023-12-25 06:05:23,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:23,579 INFO L93 Difference]: Finished difference Result 986 states and 1275 transitions. [2023-12-25 06:05:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 06:05:23,580 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) Word has length 97 [2023-12-25 06:05:23,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:23,583 INFO L225 Difference]: With dead ends: 986 [2023-12-25 06:05:23,583 INFO L226 Difference]: Without dead ends: 624 [2023-12-25 06:05:23,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-12-25 06:05:23,585 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 601 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:23,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 467 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 06:05:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2023-12-25 06:05:23,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 617. [2023-12-25 06:05:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 430 states have (on average 1.2232558139534884) internal successors, (526), 465 states have internal predecessors, (526), 100 states have call successors, (100), 78 states have call predecessors, (100), 86 states have return successors, (124), 93 states have call predecessors, (124), 100 states have call successors, (124) [2023-12-25 06:05:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 750 transitions. [2023-12-25 06:05:23,642 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 750 transitions. Word has length 97 [2023-12-25 06:05:23,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:23,643 INFO L495 AbstractCegarLoop]: Abstraction has 617 states and 750 transitions. [2023-12-25 06:05:23,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2023-12-25 06:05:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 750 transitions. [2023-12-25 06:05:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-25 06:05:23,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:05:23,658 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:23,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-12-25 06:05:23,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:23,862 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:05:23,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:05:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1233835166, now seen corresponding path program 1 times [2023-12-25 06:05:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:05:23,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584752605] [2023-12-25 06:05:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:05:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:05:23,865 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:05:23,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:05:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:05:23,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:05:23,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:05:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-25 06:05:23,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:05:23,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:05:23,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584752605] [2023-12-25 06:05:23,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584752605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:05:23,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:05:23,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:05:23,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477736464] [2023-12-25 06:05:23,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:05:23,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:05:23,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:05:23,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:05:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:23,990 INFO L87 Difference]: Start difference. First operand 617 states and 750 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:05:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:05:24,025 INFO L93 Difference]: Finished difference Result 787 states and 953 transitions. [2023-12-25 06:05:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:05:24,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 97 [2023-12-25 06:05:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:05:24,026 INFO L225 Difference]: With dead ends: 787 [2023-12-25 06:05:24,026 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:05:24,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:05:24,028 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:05:24,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:05:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:05:24,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:05:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:05:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:05:24,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2023-12-25 06:05:24,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:05:24,029 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:05:24,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:05:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:05:24,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:05:24,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:05:24,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:05:24,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:05:24,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:05:25,682 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2023-12-25 06:05:25,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: true [2023-12-25 06:05:25,683 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-12-25 06:05:25,683 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-12-25 06:05:25,683 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2023-12-25 06:05:25,683 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-12-25 06:05:25,683 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2023-12-25 06:05:25,683 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 562) no Hoare annotation was computed. [2023-12-25 06:05:25,683 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 390 414) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:05:25,683 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2023-12-25 06:05:25,684 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1) (or .cse0 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| (_ bv1 32)) .cse2))) [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 493) the Hoare annotation is: true [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: true [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L247(lines 222 251) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 251) the Hoare annotation is: true [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2023-12-25 06:05:25,684 INFO L902 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2023-12-25 06:05:25,686 INFO L899 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2023-12-25 06:05:25,686 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-25 06:05:25,686 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2023-12-25 06:05:25,686 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= ~waterLevel~0 (_ bv1 32)) .cse5)) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse3) (or .cse3 .cse4 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse3 .cse4)))) [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L590-2(lines 586 597) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2023-12-25 06:05:25,687 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-25 06:05:25,687 INFO L895 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-25 06:05:25,687 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 355) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0))) (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) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))))) [2023-12-25 06:05:25,687 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (= ~waterLevel~0 (_ bv1 32))))) [2023-12-25 06:05:25,687 INFO L899 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0))) (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) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))))) [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L895 garLoopResultBuilder]: At program point L435(line 435) 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 .cse4 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse0 .cse2 .cse4 .cse3)))) [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 416 440) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L336-2(lines 332 354) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-12-25 06:05:25,688 INFO L895 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2023-12-25 06:05:25,689 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0) (and (= ~systemActive~0 (_ bv1 32)) .cse0))) [2023-12-25 06:05:25,689 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L215(lines 154 219) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L895 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: false [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2023-12-25 06:05:25,689 INFO L895 garLoopResultBuilder]: At program point L200-2(lines 194 207) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2023-12-25 06:05:25,689 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 673) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2)))) [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 663 676) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L895 garLoopResultBuilder]: At program point L454(line 454) 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 (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L456-2(lines 449 465) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-12-25 06:05:25,690 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2023-12-25 06:05:25,691 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse1) (or .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2023-12-25 06:05:25,691 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 598 609) no Hoare annotation was computed. [2023-12-25 06:05:25,691 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2023-12-25 06:05:25,691 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 484) the Hoare annotation is: true [2023-12-25 06:05:25,694 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:05:25,696 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:05:25,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:05:25 BoogieIcfgContainer [2023-12-25 06:05:25,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:05:25,708 INFO L158 Benchmark]: Toolchain (without parser) took 11581.15ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 168.4MB in the beginning and 114.8MB in the end (delta: 53.6MB). Peak memory consumption was 100.3MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,708 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:05:25,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.12ms. Allocated memory is still 223.3MB. Free memory was 168.4MB in the beginning and 141.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.11ms. Allocated memory is still 223.3MB. Free memory was 141.6MB in the beginning and 139.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,709 INFO L158 Benchmark]: Boogie Preprocessor took 133.98ms. Allocated memory is still 223.3MB. Free memory was 139.0MB in the beginning and 136.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,710 INFO L158 Benchmark]: RCFGBuilder took 959.55ms. Allocated memory is still 223.3MB. Free memory was 136.4MB in the beginning and 184.7MB in the end (delta: -48.3MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,710 INFO L158 Benchmark]: TraceAbstraction took 9548.14ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 183.7MB in the beginning and 114.8MB in the end (delta: 68.9MB). Peak memory consumption was 114.0MB. Max. memory is 8.0GB. [2023-12-25 06:05:25,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 863.12ms. Allocated memory is still 223.3MB. Free memory was 168.4MB in the beginning and 141.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.11ms. Allocated memory is still 223.3MB. Free memory was 141.6MB in the beginning and 139.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 133.98ms. Allocated memory is still 223.3MB. Free memory was 139.0MB in the beginning and 136.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 959.55ms. Allocated memory is still 223.3MB. Free memory was 136.4MB in the beginning and 184.7MB in the end (delta: -48.3MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. * TraceAbstraction took 9548.14ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 183.7MB in the beginning and 114.8MB in the end (delta: 68.9MB). Peak memory consumption was 114.0MB. 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] - GenericResultAtLocation [Line: 148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] - GenericResultAtLocation [Line: 686]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] * 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: 144]: 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 11 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1142 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1101 mSDsluCounter, 2922 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1811 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1639 IncrementalHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 1111 mSDtfsCounter, 1639 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=838occurred in iteration=8, InterpolantAutomatonStates: 58, 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, 11 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 1191 PreInvPairs, 1237 NumberOfFragments, 901 HoareAnnotationTreeSize, 1191 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FormulaSimplificationsInter, 1115 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 571 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 656 ConstructedInterpolants, 0 QuantifiedInterpolants, 1221 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1407 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 122/136 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: 474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((waterLevel == 2) && (systemActive == 1)) && (splverifierCounter == 0)) || ((((systemActive == 1) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((systemActive == 0) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:05:25,736 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...