/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:03:00,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:03:00,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:03:00,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:03:00,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:03:00,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:03:00,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:03:00,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:03:00,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:03:00,431 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:03:00,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:03:00,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:03:00,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:03:00,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:03:00,433 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:03:00,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:03:00,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:03:00,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:03:00,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:03:00,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:03:00,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:03:00,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:03:00,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:03:00,437 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:03:00,437 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:03:00,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:03:00,437 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:03:00,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:03:00,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:03:00,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:03:00,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:03:00,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:03:00,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:03:00,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:03:00,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:00,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:03:00,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:03:00,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:03:00,440 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:03:00,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:03:00,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:03:00,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:03:00,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:03:00,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:03:00,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:03:00,442 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:03:00,442 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:03:00,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:03:00,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:03:00,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:03:00,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:03:00,612 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:03:00,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c [2023-12-25 06:03:01,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:03:01,847 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:03:01,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c [2023-12-25 06:03:01,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a25b8f1c/9efea26d61ec46bb9c42b3c4cf7ea8aa/FLAGda3319d72 [2023-12-25 06:03:01,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a25b8f1c/9efea26d61ec46bb9c42b3c4cf7ea8aa [2023-12-25 06:03:01,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:03:01,877 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:03:01,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:01,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:03:01,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:03:01,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:01,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a731b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01, skipping insertion in model container [2023-12-25 06:03:01,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:01,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:02,017 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2023-12-25 06:03:02,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:02,125 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:03:02,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:02,132 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2023-12-25 06:03:02,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:02,167 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:03:02,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-25 06:03:02,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [58] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [95] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [461] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [570] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [608] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [861] [2023-12-25 06:03:02,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [929] [2023-12-25 06:03:02,177 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2023-12-25 06:03:02,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:02,246 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:03:02,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02 WrapperNode [2023-12-25 06:03:02,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:02,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:02,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:03:02,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:03:02,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,289 INFO L138 Inliner]: procedures = 60, calls = 106, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 216 [2023-12-25 06:03:02,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:02,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:03:02,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:03:02,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:03:02,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,317 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:03:02,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:03:02,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:03:02,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:03:02,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:03:02,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (1/1) ... [2023-12-25 06:03:02,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:03:02,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:03:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:03:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:03:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:03:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:03:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:03:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:03:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:03:02,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:03:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:03:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:03:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:03:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:03:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:03:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:03:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:03:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:03:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:03:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:03:02,510 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:03:02,512 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:03:02,749 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:03:02,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:03:02,808 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:03:02,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:02 BoogieIcfgContainer [2023-12-25 06:03:02,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:03:02,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:03:02,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:03:02,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:03:02,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:01" (1/3) ... [2023-12-25 06:03:02,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb4bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:02, skipping insertion in model container [2023-12-25 06:03:02,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:02" (2/3) ... [2023-12-25 06:03:02,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb4bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:02, skipping insertion in model container [2023-12-25 06:03:02,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:02" (3/3) ... [2023-12-25 06:03:02,813 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62.cil.c [2023-12-25 06:03:02,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:03:02,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:03:02,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:03:02,872 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;@3185b1ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:03:02,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:03:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:03:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:03:02,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:02,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:02,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:02,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:02,892 INFO L85 PathProgramCache]: Analyzing trace with hash -988620308, now seen corresponding path program 1 times [2023-12-25 06:03:02,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:02,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935107689] [2023-12-25 06:03:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:02,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:02,910 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 (2)] Waiting until timeout for monitored process [2023-12-25 06:03:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935107689] [2023-12-25 06:03:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935107689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156187050] [2023-12-25 06:03:03,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:03:03,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:03:03,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:03,070 INFO L87 Difference]: Start difference. First operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:03,129 INFO L93 Difference]: Finished difference Result 176 states and 251 transitions. [2023-12-25 06:03:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:03:03,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:03:03,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:03,139 INFO L225 Difference]: With dead ends: 176 [2023-12-25 06:03:03,140 INFO L226 Difference]: Without dead ends: 84 [2023-12-25 06:03:03,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:03,145 INFO L413 NwaCegarLoop]: 103 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, 103 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 06:03:03,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:03,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-25 06:03:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-25 06:03:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 65 states have internal predecessors, (79), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 06:03:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2023-12-25 06:03:03,178 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 17 [2023-12-25 06:03:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:03,179 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2023-12-25 06:03:03,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2023-12-25 06:03:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:03:03,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:03,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:03,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:03,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:03,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1602919767, now seen corresponding path program 1 times [2023-12-25 06:03:03,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:03,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754745058] [2023-12-25 06:03:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:03,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:03,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:03:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754745058] [2023-12-25 06:03:03,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754745058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:03,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598855444] [2023-12-25 06:03:03,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:03,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,476 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:03,504 INFO L93 Difference]: Finished difference Result 141 states and 191 transitions. [2023-12-25 06:03:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:03,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:03:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:03,506 INFO L225 Difference]: With dead ends: 141 [2023-12-25 06:03:03,506 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:03:03,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,507 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 11 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 165 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 06:03:03,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 165 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:03,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:03:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:03:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 60 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:03:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2023-12-25 06:03:03,515 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 18 [2023-12-25 06:03:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:03,516 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2023-12-25 06:03:03,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-12-25 06:03:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:03:03,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:03,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:03,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:03,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:03,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:03,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1652279240, now seen corresponding path program 1 times [2023-12-25 06:03:03,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:03,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230950607] [2023-12-25 06:03:03,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:03,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:03,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:03,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:03:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230950607] [2023-12-25 06:03:03,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230950607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:03,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548006704] [2023-12-25 06:03:03,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:03,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:03,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,819 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:03,878 INFO L93 Difference]: Finished difference Result 150 states and 205 transitions. [2023-12-25 06:03:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:03:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:03,879 INFO L225 Difference]: With dead ends: 150 [2023-12-25 06:03:03,879 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:03:03,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,880 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:03,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 87 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:03:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:03:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 60 states have internal predecessors, (72), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:03:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2023-12-25 06:03:03,889 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 21 [2023-12-25 06:03:03,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:03,889 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2023-12-25 06:03:03,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-12-25 06:03:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-25 06:03:03,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:03,891 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] [2023-12-25 06:03:03,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:04,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,092 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:04,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1472092730, now seen corresponding path program 1 times [2023-12-25 06:03:04,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:04,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467610244] [2023-12-25 06:03:04,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:04,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:04,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:04,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:03:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:04,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:04,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:04,192 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 06:03:04,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:04,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:04,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467610244] [2023-12-25 06:03:04,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467610244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:04,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:04,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:04,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373045712] [2023-12-25 06:03:04,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:04,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:04,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:04,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:04,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:04,195 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:04,243 INFO L93 Difference]: Finished difference Result 198 states and 270 transitions. [2023-12-25 06:03:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:04,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2023-12-25 06:03:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:04,245 INFO L225 Difference]: With dead ends: 198 [2023-12-25 06:03:04,245 INFO L226 Difference]: Without dead ends: 124 [2023-12-25 06:03:04,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:04,246 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:04,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 158 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:04,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-25 06:03:04,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2023-12-25 06:03:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 93 states have internal predecessors, (114), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2023-12-25 06:03:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 160 transitions. [2023-12-25 06:03:04,261 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 160 transitions. Word has length 35 [2023-12-25 06:03:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:04,261 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 160 transitions. [2023-12-25 06:03:04,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2023-12-25 06:03:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-25 06:03:04,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:04,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:04,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-25 06:03:04,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,479 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:04,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash 365864647, now seen corresponding path program 1 times [2023-12-25 06:03:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303241489] [2023-12-25 06:03:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:04,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:04,483 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:04,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:03:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:04,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:04,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:04,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:04,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:04,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303241489] [2023-12-25 06:03:04,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303241489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:04,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:04,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:04,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333912907] [2023-12-25 06:03:04,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:04,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:04,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:04,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:04,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:04,583 INFO L87 Difference]: Start difference. First operand 122 states and 160 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:04,647 INFO L93 Difference]: Finished difference Result 330 states and 445 transitions. [2023-12-25 06:03:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:04,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-12-25 06:03:04,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:04,649 INFO L225 Difference]: With dead ends: 330 [2023-12-25 06:03:04,649 INFO L226 Difference]: Without dead ends: 210 [2023-12-25 06:03:04,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:04,650 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 30 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:04,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 250 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-25 06:03:04,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2023-12-25 06:03:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 145 states have (on average 1.3172413793103448) internal successors, (191), 157 states have internal predecessors, (191), 33 states have call successors, (33), 29 states have call predecessors, (33), 29 states have return successors, (45), 31 states have call predecessors, (45), 33 states have call successors, (45) [2023-12-25 06:03:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 269 transitions. [2023-12-25 06:03:04,671 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 269 transitions. Word has length 41 [2023-12-25 06:03:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:04,671 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 269 transitions. [2023-12-25 06:03:04,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 269 transitions. [2023-12-25 06:03:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:04,672 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:04,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:04,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:04,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,876 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:04,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:04,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1205656673, now seen corresponding path program 1 times [2023-12-25 06:03:04,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412526372] [2023-12-25 06:03:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:04,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:04,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:04,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:03:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:04,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:03:04,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:04,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:04,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:04,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412526372] [2023-12-25 06:03:04,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412526372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:04,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:04,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:03:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248028913] [2023-12-25 06:03:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:04,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:04,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:04,988 INFO L87 Difference]: Start difference. First operand 208 states and 269 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:03:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:05,359 INFO L93 Difference]: Finished difference Result 596 states and 811 transitions. [2023-12-25 06:03:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:03:05,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 45 [2023-12-25 06:03:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:05,361 INFO L225 Difference]: With dead ends: 596 [2023-12-25 06:03:05,362 INFO L226 Difference]: Without dead ends: 476 [2023-12-25 06:03:05,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 06:03:05,363 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 263 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:05,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 290 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:03:05,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2023-12-25 06:03:05,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 459. [2023-12-25 06:03:05,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 321 states have (on average 1.3302180685358256) internal successors, (427), 350 states have internal predecessors, (427), 73 states have call successors, (73), 56 states have call predecessors, (73), 64 states have return successors, (104), 71 states have call predecessors, (104), 73 states have call successors, (104) [2023-12-25 06:03:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 604 transitions. [2023-12-25 06:03:05,395 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 604 transitions. Word has length 45 [2023-12-25 06:03:05,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:05,395 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 604 transitions. [2023-12-25 06:03:05,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:03:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 604 transitions. [2023-12-25 06:03:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:05,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:05,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:05,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:05,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,599 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:05,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1424511391, now seen corresponding path program 1 times [2023-12-25 06:03:05,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:05,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251901672] [2023-12-25 06:03:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:05,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:05,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:05,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:03:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:05,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:05,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:05,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:05,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:05,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251901672] [2023-12-25 06:03:05,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251901672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:05,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:05,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:05,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114262737] [2023-12-25 06:03:05,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:05,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:05,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:05,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:05,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:05,653 INFO L87 Difference]: Start difference. First operand 459 states and 604 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 06:03:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:05,711 INFO L93 Difference]: Finished difference Result 852 states and 1158 transitions. [2023-12-25 06:03:05,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:03:05,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 45 [2023-12-25 06:03:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:05,714 INFO L225 Difference]: With dead ends: 852 [2023-12-25 06:03:05,714 INFO L226 Difference]: Without dead ends: 476 [2023-12-25 06:03:05,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:05,715 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 10 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:05,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 284 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2023-12-25 06:03:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 461. [2023-12-25 06:03:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 323 states have (on average 1.325077399380805) internal successors, (428), 352 states have internal predecessors, (428), 73 states have call successors, (73), 56 states have call predecessors, (73), 64 states have return successors, (104), 71 states have call predecessors, (104), 73 states have call successors, (104) [2023-12-25 06:03:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 605 transitions. [2023-12-25 06:03:05,742 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 605 transitions. Word has length 45 [2023-12-25 06:03:05,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:05,742 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 605 transitions. [2023-12-25 06:03:05,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 06:03:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 605 transitions. [2023-12-25 06:03:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:05,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:05,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:05,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:05,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,947 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:05,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:05,947 INFO L85 PathProgramCache]: Analyzing trace with hash 606862941, now seen corresponding path program 1 times [2023-12-25 06:03:05,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:05,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499423945] [2023-12-25 06:03:05,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:05,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:05,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:05,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:03:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:05,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:05,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:06,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:06,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:06,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499423945] [2023-12-25 06:03:06,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499423945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:06,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:06,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:06,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773607672] [2023-12-25 06:03:06,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:06,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:06,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:06,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:06,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:06,006 INFO L87 Difference]: Start difference. First operand 461 states and 605 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 06:03:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:06,063 INFO L93 Difference]: Finished difference Result 950 states and 1278 transitions. [2023-12-25 06:03:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:06,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 45 [2023-12-25 06:03:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:06,065 INFO L225 Difference]: With dead ends: 950 [2023-12-25 06:03:06,065 INFO L226 Difference]: Without dead ends: 491 [2023-12-25 06:03:06,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:06,067 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 6 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:06,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 269 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-12-25 06:03:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 464. [2023-12-25 06:03:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 328 states have (on average 1.3170731707317074) internal successors, (432), 356 states have internal predecessors, (432), 72 states have call successors, (72), 55 states have call predecessors, (72), 63 states have return successors, (103), 70 states have call predecessors, (103), 72 states have call successors, (103) [2023-12-25 06:03:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 607 transitions. [2023-12-25 06:03:06,094 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 607 transitions. Word has length 45 [2023-12-25 06:03:06,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:06,094 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 607 transitions. [2023-12-25 06:03:06,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 06:03:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 607 transitions. [2023-12-25 06:03:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:03:06,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:06,095 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] [2023-12-25 06:03:06,100 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 (9)] Ended with exit code 0 [2023-12-25 06:03:06,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:06,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 677390635, now seen corresponding path program 1 times [2023-12-25 06:03:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:06,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304454146] [2023-12-25 06:03:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:06,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:06,315 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:06,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:03:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:06,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:06,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:06,495 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 06:03:06,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:06,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:06,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304454146] [2023-12-25 06:03:06,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304454146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:06,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:06,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 06:03:06,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221699860] [2023-12-25 06:03:06,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:06,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:06,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:06,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:06,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:06,497 INFO L87 Difference]: Start difference. First operand 464 states and 607 transitions. Second operand has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:06,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:06,692 INFO L93 Difference]: Finished difference Result 1364 states and 1830 transitions. [2023-12-25 06:03:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:03:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:06,696 INFO L225 Difference]: With dead ends: 1364 [2023-12-25 06:03:06,696 INFO L226 Difference]: Without dead ends: 902 [2023-12-25 06:03:06,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:06,698 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 61 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:06,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 453 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2023-12-25 06:03:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 900. [2023-12-25 06:03:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 635 states have (on average 1.3023622047244094) internal successors, (827), 685 states have internal predecessors, (827), 142 states have call successors, (142), 109 states have call predecessors, (142), 122 states have return successors, (208), 136 states have call predecessors, (208), 142 states have call successors, (208) [2023-12-25 06:03:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1177 transitions. [2023-12-25 06:03:06,748 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1177 transitions. Word has length 52 [2023-12-25 06:03:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:06,748 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1177 transitions. [2023-12-25 06:03:06,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1177 transitions. [2023-12-25 06:03:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:03:06,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:06,750 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] [2023-12-25 06:03:06,766 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 06:03:06,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,953 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:06,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:06,953 INFO L85 PathProgramCache]: Analyzing trace with hash 742192727, now seen corresponding path program 1 times [2023-12-25 06:03:06,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:06,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739423783] [2023-12-25 06:03:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:06,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:06,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:06,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:03:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:07,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:07,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:07,039 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 06:03:07,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:07,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739423783] [2023-12-25 06:03:07,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739423783] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:07,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:07,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:07,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868337959] [2023-12-25 06:03:07,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:07,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:07,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:07,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:07,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:07,042 INFO L87 Difference]: Start difference. First operand 900 states and 1177 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:07,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:07,159 INFO L93 Difference]: Finished difference Result 1804 states and 2386 transitions. [2023-12-25 06:03:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:07,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:03:07,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:07,163 INFO L225 Difference]: With dead ends: 1804 [2023-12-25 06:03:07,163 INFO L226 Difference]: Without dead ends: 906 [2023-12-25 06:03:07,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:07,165 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 63 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:07,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 297 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:07,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2023-12-25 06:03:07,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 868. [2023-12-25 06:03:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 613 states have (on average 1.2463295269168027) internal successors, (764), 659 states have internal predecessors, (764), 134 states have call successors, (134), 105 states have call predecessors, (134), 120 states have return successors, (178), 132 states have call predecessors, (178), 134 states have call successors, (178) [2023-12-25 06:03:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1076 transitions. [2023-12-25 06:03:07,210 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1076 transitions. Word has length 52 [2023-12-25 06:03:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:07,210 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1076 transitions. [2023-12-25 06:03:07,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1076 transitions. [2023-12-25 06:03:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-25 06:03:07,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:07,211 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, 1, 1, 1] [2023-12-25 06:03:07,232 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 06:03:07,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:07,414 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:07,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash -840394353, now seen corresponding path program 1 times [2023-12-25 06:03:07,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:07,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480667384] [2023-12-25 06:03:07,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:07,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:07,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:07,416 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:07,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:03:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:07,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:07,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:07,521 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 06:03:07,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:07,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480667384] [2023-12-25 06:03:07,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480667384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:07,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:07,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:03:07,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219520517] [2023-12-25 06:03:07,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:07,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:07,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:07,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:07,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:07,523 INFO L87 Difference]: Start difference. First operand 868 states and 1076 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 06:03:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:07,700 INFO L93 Difference]: Finished difference Result 1712 states and 2129 transitions. [2023-12-25 06:03:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:03:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2023-12-25 06:03:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:07,715 INFO L225 Difference]: With dead ends: 1712 [2023-12-25 06:03:07,715 INFO L226 Difference]: Without dead ends: 846 [2023-12-25 06:03:07,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 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 06:03:07,717 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 56 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:07,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 622 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2023-12-25 06:03:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 846. [2023-12-25 06:03:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 591 states have (on average 1.1979695431472082) internal successors, (708), 637 states have internal predecessors, (708), 134 states have call successors, (134), 105 states have call predecessors, (134), 120 states have return successors, (171), 132 states have call predecessors, (171), 134 states have call successors, (171) [2023-12-25 06:03:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1013 transitions. [2023-12-25 06:03:07,795 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1013 transitions. Word has length 56 [2023-12-25 06:03:07,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:07,795 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1013 transitions. [2023-12-25 06:03:07,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 06:03:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1013 transitions. [2023-12-25 06:03:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 06:03:07,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:07,803 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-25 06:03:07,808 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 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:08,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:08,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:08,004 INFO L85 PathProgramCache]: Analyzing trace with hash 594779852, now seen corresponding path program 1 times [2023-12-25 06:03:08,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:08,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040038103] [2023-12-25 06:03:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:08,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:08,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 06:03:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:08,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:08,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-25 06:03:08,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:08,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:08,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040038103] [2023-12-25 06:03:08,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040038103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:08,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:08,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:08,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356655363] [2023-12-25 06:03:08,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:08,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:08,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:08,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:08,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,109 INFO L87 Difference]: Start difference. First operand 846 states and 1013 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:08,194 INFO L93 Difference]: Finished difference Result 1696 states and 2057 transitions. [2023-12-25 06:03:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2023-12-25 06:03:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:08,216 INFO L225 Difference]: With dead ends: 1696 [2023-12-25 06:03:08,216 INFO L226 Difference]: Without dead ends: 852 [2023-12-25 06:03:08,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,218 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 2 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:08,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:08,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-12-25 06:03:08,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 846. [2023-12-25 06:03:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 591 states have (on average 1.1878172588832487) internal successors, (702), 637 states have internal predecessors, (702), 134 states have call successors, (134), 105 states have call predecessors, (134), 120 states have return successors, (171), 132 states have call predecessors, (171), 134 states have call successors, (171) [2023-12-25 06:03:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1007 transitions. [2023-12-25 06:03:08,308 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1007 transitions. Word has length 82 [2023-12-25 06:03:08,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:08,308 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1007 transitions. [2023-12-25 06:03:08,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1007 transitions. [2023-12-25 06:03:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 06:03:08,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:08,310 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-25 06:03:08,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:08,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,513 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:08,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:08,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1738612786, now seen corresponding path program 1 times [2023-12-25 06:03:08,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014738898] [2023-12-25 06:03:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:08,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:08,515 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:08,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 06:03:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:08,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:08,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-25 06:03:08,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:08,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:08,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014738898] [2023-12-25 06:03:08,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014738898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:08,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:08,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:08,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719658710] [2023-12-25 06:03:08,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:08,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:08,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:08,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,598 INFO L87 Difference]: Start difference. First operand 846 states and 1007 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:08,696 INFO L93 Difference]: Finished difference Result 1607 states and 1941 transitions. [2023-12-25 06:03:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:08,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2023-12-25 06:03:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:08,711 INFO L225 Difference]: With dead ends: 1607 [2023-12-25 06:03:08,711 INFO L226 Difference]: Without dead ends: 763 [2023-12-25 06:03:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:08,713 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 6 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:08,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 251 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2023-12-25 06:03:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 761. [2023-12-25 06:03:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 532 states have (on average 1.1879699248120301) internal successors, (632), 572 states have internal predecessors, (632), 122 states have call successors, (122), 99 states have call predecessors, (122), 106 states have return successors, (147), 114 states have call predecessors, (147), 122 states have call successors, (147) [2023-12-25 06:03:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 901 transitions. [2023-12-25 06:03:08,792 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 901 transitions. Word has length 82 [2023-12-25 06:03:08,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:08,793 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 901 transitions. [2023-12-25 06:03:08,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 901 transitions. [2023-12-25 06:03:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 06:03:08,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:08,797 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-25 06:03:08,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:08,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,998 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash -602847242, now seen corresponding path program 1 times [2023-12-25 06:03:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:08,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534948301] [2023-12-25 06:03:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:09,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:09,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 06:03:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:09,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:09,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:09,127 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 06:03:09,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:09,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:09,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534948301] [2023-12-25 06:03:09,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534948301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:09,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:09,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:03:09,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101953469] [2023-12-25 06:03:09,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:09,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:09,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:09,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:09,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:09,129 INFO L87 Difference]: Start difference. First operand 761 states and 901 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:09,296 INFO L93 Difference]: Finished difference Result 1520 states and 1813 transitions. [2023-12-25 06:03:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:03:09,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2023-12-25 06:03:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:09,301 INFO L225 Difference]: With dead ends: 1520 [2023-12-25 06:03:09,301 INFO L226 Difference]: Without dead ends: 761 [2023-12-25 06:03:09,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:09,304 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 57 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:09,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 323 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2023-12-25 06:03:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2023-12-25 06:03:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 532 states have (on average 1.1710526315789473) internal successors, (623), 572 states have internal predecessors, (623), 122 states have call successors, (122), 99 states have call predecessors, (122), 106 states have return successors, (147), 114 states have call predecessors, (147), 122 states have call successors, (147) [2023-12-25 06:03:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 892 transitions. [2023-12-25 06:03:09,345 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 892 transitions. Word has length 86 [2023-12-25 06:03:09,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:09,345 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 892 transitions. [2023-12-25 06:03:09,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 892 transitions. [2023-12-25 06:03:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 06:03:09,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:09,346 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-25 06:03:09,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:09,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,549 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:09,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1420684559, now seen corresponding path program 1 times [2023-12-25 06:03:09,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:09,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640380990] [2023-12-25 06:03:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:09,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:09,551 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:09,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 06:03:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:09,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:09,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 06:03:09,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:09,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640380990] [2023-12-25 06:03:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640380990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:09,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:09,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511245435] [2023-12-25 06:03:09,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:09,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:09,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:09,697 INFO L87 Difference]: Start difference. First operand 761 states and 892 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-25 06:03:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:10,180 INFO L93 Difference]: Finished difference Result 1900 states and 2260 transitions. [2023-12-25 06:03:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:03:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 87 [2023-12-25 06:03:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:10,184 INFO L225 Difference]: With dead ends: 1900 [2023-12-25 06:03:10,185 INFO L226 Difference]: Without dead ends: 1228 [2023-12-25 06:03:10,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:03:10,186 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 308 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:10,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 261 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:03:10,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2023-12-25 06:03:10,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1194. [2023-12-25 06:03:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 825 states have (on average 1.1515151515151516) internal successors, (950), 882 states have internal predecessors, (950), 189 states have call successors, (189), 162 states have call predecessors, (189), 179 states have return successors, (225), 182 states have call predecessors, (225), 189 states have call successors, (225) [2023-12-25 06:03:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1364 transitions. [2023-12-25 06:03:10,243 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1364 transitions. Word has length 87 [2023-12-25 06:03:10,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:10,244 INFO L495 AbstractCegarLoop]: Abstraction has 1194 states and 1364 transitions. [2023-12-25 06:03:10,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-25 06:03:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1364 transitions. [2023-12-25 06:03:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 06:03:10,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:10,245 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-25 06:03:10,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-25 06:03:10,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:10,448 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:10,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:10,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1851292620, now seen corresponding path program 1 times [2023-12-25 06:03:10,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:10,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401593548] [2023-12-25 06:03:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:10,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:10,465 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:10,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 06:03:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:10,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:10,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-25 06:03:10,627 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:10,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:10,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401593548] [2023-12-25 06:03:10,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401593548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:10,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:10,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 06:03:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741894395] [2023-12-25 06:03:10,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:10,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:10,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:10,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:10,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:10,629 INFO L87 Difference]: Start difference. First operand 1194 states and 1364 transitions. Second operand has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:10,834 INFO L93 Difference]: Finished difference Result 2300 states and 2633 transitions. [2023-12-25 06:03:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:03:10,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2023-12-25 06:03:10,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:10,838 INFO L225 Difference]: With dead ends: 2300 [2023-12-25 06:03:10,838 INFO L226 Difference]: Without dead ends: 1195 [2023-12-25 06:03:10,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:03:10,840 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 36 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:10,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 515 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:10,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2023-12-25 06:03:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1190. [2023-12-25 06:03:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 825 states have (on average 1.1466666666666667) internal successors, (946), 878 states have internal predecessors, (946), 185 states have call successors, (185), 162 states have call predecessors, (185), 179 states have return successors, (221), 182 states have call predecessors, (221), 185 states have call successors, (221) [2023-12-25 06:03:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1352 transitions. [2023-12-25 06:03:10,894 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1352 transitions. Word has length 88 [2023-12-25 06:03:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:10,894 INFO L495 AbstractCegarLoop]: Abstraction has 1190 states and 1352 transitions. [2023-12-25 06:03:10,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1352 transitions. [2023-12-25 06:03:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 06:03:10,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:10,895 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:10,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:11,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:11,098 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:11,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1157961705, now seen corresponding path program 1 times [2023-12-25 06:03:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:11,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406383436] [2023-12-25 06:03:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:11,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:11,100 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:11,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 06:03:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:11,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:11,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:03:11,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-25 06:03:11,537 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406383436] [2023-12-25 06:03:11,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406383436] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:11,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2023-12-25 06:03:11,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564529233] [2023-12-25 06:03:11,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:03:11,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:11,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:03:11,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:03:11,539 INFO L87 Difference]: Start difference. First operand 1190 states and 1352 transitions. Second operand has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) [2023-12-25 06:03:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:12,108 INFO L93 Difference]: Finished difference Result 2634 states and 3069 transitions. [2023-12-25 06:03:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 06:03:12,108 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) Word has length 96 [2023-12-25 06:03:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:12,113 INFO L225 Difference]: With dead ends: 2634 [2023-12-25 06:03:12,113 INFO L226 Difference]: Without dead ends: 1533 [2023-12-25 06:03:12,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-12-25 06:03:12,116 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 513 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:12,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 489 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:03:12,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2023-12-25 06:03:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1507. [2023-12-25 06:03:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1041 states have (on average 1.1344860710854947) internal successors, (1181), 1107 states have internal predecessors, (1181), 233 states have call successors, (233), 211 states have call predecessors, (233), 232 states have return successors, (263), 228 states have call predecessors, (263), 233 states have call successors, (263) [2023-12-25 06:03:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1677 transitions. [2023-12-25 06:03:12,221 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1677 transitions. Word has length 96 [2023-12-25 06:03:12,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:12,221 INFO L495 AbstractCegarLoop]: Abstraction has 1507 states and 1677 transitions. [2023-12-25 06:03:12,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) [2023-12-25 06:03:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1677 transitions. [2023-12-25 06:03:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 06:03:12,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:12,223 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:12,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:12,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:12,428 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:12,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:12,428 INFO L85 PathProgramCache]: Analyzing trace with hash -836183001, now seen corresponding path program 1 times [2023-12-25 06:03:12,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:12,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580831030] [2023-12-25 06:03:12,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:12,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:12,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:12,445 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:12,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 06:03:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:12,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:12,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-25 06:03:12,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-25 06:03:12,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580831030] [2023-12-25 06:03:12,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580831030] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:12,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:12,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-25 06:03:12,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238764299] [2023-12-25 06:03:12,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:12,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 06:03:12,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:12,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 06:03:12,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-25 06:03:12,813 INFO L87 Difference]: Start difference. First operand 1507 states and 1677 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-25 06:03:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:13,686 INFO L93 Difference]: Finished difference Result 3487 states and 3958 transitions. [2023-12-25 06:03:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-25 06:03:13,686 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2023-12-25 06:03:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:13,692 INFO L225 Difference]: With dead ends: 3487 [2023-12-25 06:03:13,693 INFO L226 Difference]: Without dead ends: 2069 [2023-12-25 06:03:13,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2023-12-25 06:03:13,695 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 642 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:13,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 393 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 06:03:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2023-12-25 06:03:13,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1574. [2023-12-25 06:03:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1083 states have (on average 1.126500461680517) internal successors, (1220), 1152 states have internal predecessors, (1220), 243 states have call successors, (243), 222 states have call predecessors, (243), 247 states have return successors, (275), 240 states have call predecessors, (275), 243 states have call successors, (275) [2023-12-25 06:03:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 1738 transitions. [2023-12-25 06:03:13,884 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 1738 transitions. Word has length 96 [2023-12-25 06:03:13,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:13,885 INFO L495 AbstractCegarLoop]: Abstraction has 1574 states and 1738 transitions. [2023-12-25 06:03:13,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-25 06:03:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1738 transitions. [2023-12-25 06:03:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-12-25 06:03:13,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:13,890 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:13,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:14,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,093 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:14,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:14,093 INFO L85 PathProgramCache]: Analyzing trace with hash 110795496, now seen corresponding path program 1 times [2023-12-25 06:03:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572942608] [2023-12-25 06:03:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:14,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:14,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:14,132 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 (20)] Waiting until timeout for monitored process [2023-12-25 06:03:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:14,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:14,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-25 06:03:14,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:14,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:14,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572942608] [2023-12-25 06:03:14,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572942608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:14,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:14,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:14,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136550997] [2023-12-25 06:03:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:14,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:14,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:14,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:14,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:14,348 INFO L87 Difference]: Start difference. First operand 1574 states and 1738 transitions. Second operand has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 06:03:14,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:14,590 INFO L93 Difference]: Finished difference Result 2996 states and 3322 transitions. [2023-12-25 06:03:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:14,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 321 [2023-12-25 06:03:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:14,596 INFO L225 Difference]: With dead ends: 2996 [2023-12-25 06:03:14,597 INFO L226 Difference]: Without dead ends: 1511 [2023-12-25 06:03:14,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:14,599 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 63 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:14,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 568 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-12-25 06:03:14,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1511. [2023-12-25 06:03:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1041 states have (on average 1.1258405379442844) internal successors, (1172), 1104 states have internal predecessors, (1172), 237 states have call successors, (237), 216 states have call predecessors, (237), 232 states have return successors, (260), 228 states have call predecessors, (260), 237 states have call successors, (260) [2023-12-25 06:03:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1669 transitions. [2023-12-25 06:03:14,690 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1669 transitions. Word has length 321 [2023-12-25 06:03:14,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:14,690 INFO L495 AbstractCegarLoop]: Abstraction has 1511 states and 1669 transitions. [2023-12-25 06:03:14,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 06:03:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1669 transitions. [2023-12-25 06:03:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-12-25 06:03:14,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:14,694 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:14,706 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 (20)] Ended with exit code 0 [2023-12-25 06:03:14,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,899 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:14,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1226883904, now seen corresponding path program 1 times [2023-12-25 06:03:14,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:14,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879723434] [2023-12-25 06:03:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:14,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:14,901 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:14,911 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 (21)] Waiting until timeout for monitored process [2023-12-25 06:03:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:15,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:15,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-25 06:03:15,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:15,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879723434] [2023-12-25 06:03:15,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879723434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:15,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:15,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:15,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45366744] [2023-12-25 06:03:15,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:15,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:15,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:15,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:15,111 INFO L87 Difference]: Start difference. First operand 1511 states and 1669 transitions. Second operand has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 06:03:15,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:15,355 INFO L93 Difference]: Finished difference Result 2744 states and 3033 transitions. [2023-12-25 06:03:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:15,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) Word has length 325 [2023-12-25 06:03:15,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:15,360 INFO L225 Difference]: With dead ends: 2744 [2023-12-25 06:03:15,360 INFO L226 Difference]: Without dead ends: 1322 [2023-12-25 06:03:15,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:15,363 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:15,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 764 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:03:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2023-12-25 06:03:15,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1321. [2023-12-25 06:03:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 919 states have (on average 1.11860718171926) internal successors, (1028), 964 states have internal predecessors, (1028), 202 states have call successors, (202), 191 states have call predecessors, (202), 199 states have return successors, (215), 191 states have call predecessors, (215), 202 states have call successors, (215) [2023-12-25 06:03:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1445 transitions. [2023-12-25 06:03:15,436 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1445 transitions. Word has length 325 [2023-12-25 06:03:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:15,436 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1445 transitions. [2023-12-25 06:03:15,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 06:03:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1445 transitions. [2023-12-25 06:03:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-25 06:03:15,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:15,441 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:15,473 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 (21)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:15,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:15,643 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:15,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:15,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1303965839, now seen corresponding path program 2 times [2023-12-25 06:03:15,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:15,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744732697] [2023-12-25 06:03:15,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 06:03:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:15,645 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:15,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 06:03:15,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 06:03:15,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 06:03:15,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:15,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-12-25 06:03:15,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:15,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:15,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744732697] [2023-12-25 06:03:15,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744732697] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:15,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:15,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727549843] [2023-12-25 06:03:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:15,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:15,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:15,799 INFO L87 Difference]: Start difference. First operand 1321 states and 1445 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-25 06:03:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:15,836 INFO L93 Difference]: Finished difference Result 1595 states and 1746 transitions. [2023-12-25 06:03:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:15,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 326 [2023-12-25 06:03:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:15,837 INFO L225 Difference]: With dead ends: 1595 [2023-12-25 06:03:15,837 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:03:15,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:15,839 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:15,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:15,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:03:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:03:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:03:15,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2023-12-25 06:03:15,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:15,840 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:03:15,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-25 06:03:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:03:15,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:03:15,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:03:15,866 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 (22)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:16,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:16,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:03:17,817 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 751 758) no Hoare annotation was computed. [2023-12-25 06:03:17,818 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 751 758) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2 .cse3))) [2023-12-25 06:03:17,818 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2023-12-25 06:03:17,818 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2023-12-25 06:03:17,818 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse3) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:17,818 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 675 699) no Hoare annotation was computed. [2023-12-25 06:03:17,818 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 675 699) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse3) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse5) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:17,819 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| (_ bv1 32))) .cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 675 699) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 494 505) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 494 505) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 (not (= (_ bv1 32) ~pumpRunning~0))))) [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 494 505) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2023-12-25 06:03:17,819 INFO L899 garLoopResultBuilder]: For program point L956(lines 931 960) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 949) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L902 garLoopResultBuilder]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2023-12-25 06:03:17,820 INFO L902 garLoopResultBuilder]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2023-12-25 06:03:17,820 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 931 960) the Hoare annotation is: true [2023-12-25 06:03:17,820 INFO L902 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: true [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 90) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 62 94) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L709(lines 709 717) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (= ~waterLevel~0 (_ bv2 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse5 .cse1 .cse2 .cse4 (and (= (_ bv1 32) ~pumpRunning~0) .cse8)) (or .cse5 .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse5 .cse1 .cse2 .cse6 (and .cse8 .cse9))))) [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 722) no Hoare annotation was computed. [2023-12-25 06:03:17,820 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L474-2(lines 470 481) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 628 634) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2023-12-25 06:03:17,821 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 617 640) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse11)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (and .cse10 .cse11)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse9 (and (= (_ bv1 32) ~pumpRunning~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse1 .cse4 .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse7 .cse6) (or .cse5 .cse1 .cse7 .cse8 .cse9)))) [2023-12-25 06:03:17,821 INFO L895 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 91) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L895 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse5 .cse6 .cse7))) [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L707-1(line 707) no Hoare annotation was computed. [2023-12-25 06:03:17,821 INFO L895 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (and (= ~waterLevel~0 (_ bv2 32)) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse5 .cse1 .cse8 .cse7) (or .cse5 .cse1 .cse2 .cse8 .cse6)))) [2023-12-25 06:03:17,821 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 701 725) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L621-1(lines 620 639) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 506 514) the Hoare annotation is: true [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 506 514) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L895 garLoopResultBuilder]: At program point L911-2(lines 903 916) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L874(lines 873 920) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 916) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L895 garLoopResultBuilder]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse6 .cse5 .cse3 .cse4))) [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L924(lines 863 928) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:03:17,822 INFO L895 garLoopResultBuilder]: At program point L921(lines 872 922) the Hoare annotation is: false [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L1012(lines 1012 1019) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L1012-2(lines 1012 1019) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 899) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 893 899) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L895 garLoopResultBuilder]: At program point L918(lines 873 920) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2023-12-25 06:03:17,823 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4 .cse5 .cse6))) [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L824-2(lines 824 828) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 649 673) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 547 560) no Hoare annotation was computed. [2023-12-25 06:03:17,823 INFO L895 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:17,823 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 557) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse6 .cse5))) [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L741-2(lines 734 750) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 482 493) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 482 493) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (or .cse2 .cse3 .cse6 .cse7 .cse5) (or .cse2 .cse3 .cse6 .cse4 .cse7))) [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L486-1(lines 482 493) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L902 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: true [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point L764-1(line 764) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 759 769) no Hoare annotation was computed. [2023-12-25 06:03:17,824 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 759 769) the Hoare annotation is: true [2023-12-25 06:03:17,826 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:17,827 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:03:17,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:17 BoogieIcfgContainer [2023-12-25 06:03:17,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:03:17,835 INFO L158 Benchmark]: Toolchain (without parser) took 15957.74ms. Allocated memory was 184.5MB in the beginning and 429.9MB in the end (delta: 245.4MB). Free memory was 137.9MB in the beginning and 243.3MB in the end (delta: -105.4MB). Peak memory consumption was 239.6MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,835 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:03:17,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.39ms. Allocated memory is still 184.5MB. Free memory was 137.9MB in the beginning and 111.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.04ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 108.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,836 INFO L158 Benchmark]: Boogie Preprocessor took 47.95ms. Allocated memory is still 184.5MB. Free memory was 108.9MB in the beginning and 106.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,836 INFO L158 Benchmark]: RCFGBuilder took 469.23ms. Allocated memory is still 184.5MB. Free memory was 106.1MB in the beginning and 135.4MB in the end (delta: -29.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,836 INFO L158 Benchmark]: TraceAbstraction took 15025.59ms. Allocated memory was 184.5MB in the beginning and 429.9MB in the end (delta: 245.4MB). Free memory was 134.4MB in the beginning and 243.3MB in the end (delta: -108.9MB). Peak memory consumption was 234.5MB. Max. memory is 8.0GB. [2023-12-25 06:03:17,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.39ms. Allocated memory is still 184.5MB. Free memory was 137.9MB in the beginning and 111.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.04ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 108.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.95ms. Allocated memory is still 184.5MB. Free memory was 108.9MB in the beginning and 106.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 469.23ms. Allocated memory is still 184.5MB. Free memory was 106.1MB in the beginning and 135.4MB in the end (delta: -29.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * TraceAbstraction took 15025.59ms. Allocated memory was 184.5MB in the beginning and 429.9MB in the end (delta: 245.4MB). Free memory was 134.4MB in the beginning and 243.3MB in the end (delta: -108.9MB). Peak memory consumption was 234.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [58] - GenericResultAtLocation [Line: 95]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [95] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [461] - GenericResultAtLocation [Line: 570]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [570] - GenericResultAtLocation [Line: 608]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [608] - GenericResultAtLocation [Line: 861]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [861] - GenericResultAtLocation [Line: 929]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [929] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 21, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2429 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2348 mSDsluCounter, 7027 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4933 mSDsCounter, 759 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4277 IncrementalHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 759 mSolverCounterUnsat, 2094 mSDtfsCounter, 4277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2232 GetRequests, 2113 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1574occurred in iteration=18, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 672 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 5363 PreInvPairs, 5407 NumberOfFragments, 2010 HoareAnnotationTreeSize, 5363 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FormulaSimplificationsInter, 969 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2016 NumberOfCodeBlocks, 2016 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2185 ConstructedInterpolants, 0 QuantifiedInterpolants, 3709 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4097 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 2632/2666 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: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 2) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (systemActive == 1)) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((systemActive == 1) && (waterLevel == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) RESULT: Ultimate proved your program to be correct! [2023-12-25 06:03:17,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...