/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:42:26,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:42:26,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:42:26,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:42:26,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:42:26,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:42:26,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:42:26,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:42:26,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:42:26,802 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:42:26,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:42:26,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:42:26,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:42:26,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:42:26,804 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:42:26,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:42:26,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:42:26,805 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:42:26,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:42:26,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:42:26,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:42:26,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:42:26,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:42:26,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:42:26,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:42:26,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:26,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:42:26,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:42:26,810 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:42:26,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:42:27,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:42:27,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:42:27,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:42:27,028 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:42:27,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2023-12-16 17:42:28,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:42:28,422 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:42:28,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2023-12-16 17:42:28,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4ec0bbf/b0fd695fa13a4b58b9d3fa6766b6c6f5/FLAG1532538ab [2023-12-16 17:42:28,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4ec0bbf/b0fd695fa13a4b58b9d3fa6766b6c6f5 [2023-12-16 17:42:28,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:42:28,478 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:42:28,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:28,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:42:28,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:42:28,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:28,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53991db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28, skipping insertion in model container [2023-12-16 17:42:28,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:28,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:28,747 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c[3064,3077] [2023-12-16 17:42:28,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:28,832 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:42:28,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:28,862 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c[3064,3077] [2023-12-16 17:42:28,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:28,906 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:42:28,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-16 17:42:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] [2023-12-16 17:42:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [159] [2023-12-16 17:42:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [525] [2023-12-16 17:42:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [575] [2023-12-16 17:42:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [777] [2023-12-16 17:42:28,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2023-12-16 17:42:28,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [881] [2023-12-16 17:42:28,924 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c[3064,3077] [2023-12-16 17:42:28,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:28,957 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:42:28,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28 WrapperNode [2023-12-16 17:42:28,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:28,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:28,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:42:28,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:42:28,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:28,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:28,998 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 198 [2023-12-16 17:42:28,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:28,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:42:28,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:42:28,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:42:29,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,018 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:42:29,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:42:29,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:42:29,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:42:29,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:42:29,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (1/1) ... [2023-12-16 17:42:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:42:29,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:42:29,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:42:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:42:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:42:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:42:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:42:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:42:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:42:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:42:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-16 17:42:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-16 17:42:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:42:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:42:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:42:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:42:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:42:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:42:29,126 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:42:29,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:42:29,288 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:42:29,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:42:29,364 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:42:29,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:29 BoogieIcfgContainer [2023-12-16 17:42:29,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:42:29,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:42:29,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:42:29,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:42:29,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:42:28" (1/3) ... [2023-12-16 17:42:29,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1362efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:29, skipping insertion in model container [2023-12-16 17:42:29,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:28" (2/3) ... [2023-12-16 17:42:29,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1362efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:29, skipping insertion in model container [2023-12-16 17:42:29,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:29" (3/3) ... [2023-12-16 17:42:29,370 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2023-12-16 17:42:29,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:42:29,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:42:29,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:42:29,408 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;@531af4e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:42:29,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:42:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 53 states have (on average 1.509433962264151) internal successors, (80), 61 states have internal predecessors, (80), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 17:42:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 17:42:29,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:29,416 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:29,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:29,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:29,419 INFO L85 PathProgramCache]: Analyzing trace with hash -38034389, now seen corresponding path program 1 times [2023-12-16 17:42:29,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:29,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105181201] [2023-12-16 17:42:29,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:29,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:29,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:29,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:29,446 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 (2)] Waiting until timeout for monitored process [2023-12-16 17:42:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:29,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:42:29,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:29,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:29,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:29,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105181201] [2023-12-16 17:42:29,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105181201] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:29,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:29,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360593684] [2023-12-16 17:42:29,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:29,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:42:29,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:42:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:29,571 INFO L87 Difference]: Start difference. First operand has 77 states, 53 states have (on average 1.509433962264151) internal successors, (80), 61 states have internal predecessors, (80), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:29,622 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2023-12-16 17:42:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:42:29,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-16 17:42:29,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:29,632 INFO L225 Difference]: With dead ends: 152 [2023-12-16 17:42:29,632 INFO L226 Difference]: Without dead ends: 72 [2023-12-16 17:42:29,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:29,637 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:29,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-16 17:42:29,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-16 17:42:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.4) internal successors, (70), 57 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:42:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2023-12-16 17:42:29,669 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 22 [2023-12-16 17:42:29,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:29,670 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2023-12-16 17:42:29,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-12-16 17:42:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 17:42:29,672 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:29,672 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:29,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:42:29,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:29,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:29,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1633170571, now seen corresponding path program 1 times [2023-12-16 17:42:29,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:29,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201890314] [2023-12-16 17:42:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:29,877 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 [2023-12-16 17:42:29,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:29,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:29,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:42:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:29,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:29,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:29,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:29,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:29,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201890314] [2023-12-16 17:42:29,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201890314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:29,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:29,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:29,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770825967] [2023-12-16 17:42:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:29,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:29,934 INFO L87 Difference]: Start difference. First operand 72 states and 97 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:29,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:29,965 INFO L93 Difference]: Finished difference Result 117 states and 157 transitions. [2023-12-16 17:42:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:29,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-16 17:42:29,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:29,966 INFO L225 Difference]: With dead ends: 117 [2023-12-16 17:42:29,966 INFO L226 Difference]: Without dead ends: 64 [2023-12-16 17:42:29,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:29,968 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 11 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:29,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 136 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-16 17:42:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-16 17:42:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 52 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 17:42:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2023-12-16 17:42:29,974 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 23 [2023-12-16 17:42:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:29,974 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2023-12-16 17:42:29,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-12-16 17:42:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:42:29,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:29,975 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:29,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:30,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:30,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash 989570964, now seen corresponding path program 1 times [2023-12-16 17:42:30,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971172440] [2023-12-16 17:42:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:30,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:30,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:30,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:42:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:30,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:30,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:30,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:30,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971172440] [2023-12-16 17:42:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971172440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:30,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:30,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808580043] [2023-12-16 17:42:30,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:30,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:30,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:30,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:30,240 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:30,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:30,257 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions. [2023-12-16 17:42:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:30,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-16 17:42:30,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:30,258 INFO L225 Difference]: With dead ends: 126 [2023-12-16 17:42:30,258 INFO L226 Difference]: Without dead ends: 64 [2023-12-16 17:42:30,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:30,259 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:30,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 73 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:30,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-16 17:42:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-16 17:42:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.4) internal successors, (63), 52 states have internal predecessors, (63), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 17:42:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2023-12-16 17:42:30,264 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 26 [2023-12-16 17:42:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:30,265 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2023-12-16 17:42:30,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2023-12-16 17:42:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-16 17:42:30,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:30,266 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] [2023-12-16 17:42:30,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:30,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:30,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1916189960, now seen corresponding path program 1 times [2023-12-16 17:42:30,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:30,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665055224] [2023-12-16 17:42:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:30,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:30,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:42:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:30,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:30,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:30,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:30,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665055224] [2023-12-16 17:42:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665055224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:30,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:30,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:30,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667291274] [2023-12-16 17:42:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:30,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:30,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:30,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:30,545 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:30,578 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2023-12-16 17:42:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2023-12-16 17:42:30,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:30,579 INFO L225 Difference]: With dead ends: 171 [2023-12-16 17:42:30,580 INFO L226 Difference]: Without dead ends: 109 [2023-12-16 17:42:30,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:30,581 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 54 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:30,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 133 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-16 17:42:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-12-16 17:42:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 76 states have (on average 1.355263157894737) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 14 states have call predecessors, (16), 14 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2023-12-16 17:42:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2023-12-16 17:42:30,591 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 139 transitions. Word has length 33 [2023-12-16 17:42:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:30,591 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 139 transitions. [2023-12-16 17:42:30,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 139 transitions. [2023-12-16 17:42:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 17:42:30,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:30,592 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] [2023-12-16 17:42:30,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:30,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,794 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:30,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1804428860, now seen corresponding path program 1 times [2023-12-16 17:42:30,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:30,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159385808] [2023-12-16 17:42:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:30,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:30,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:42:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:30,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:30,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:30,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:30,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:30,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159385808] [2023-12-16 17:42:30,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159385808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:30,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:30,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:30,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515550958] [2023-12-16 17:42:30,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:30,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:30,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:30,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:30,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:30,868 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:30,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:30,914 INFO L93 Difference]: Finished difference Result 226 states and 305 transitions. [2023-12-16 17:42:30,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:30,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2023-12-16 17:42:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:30,917 INFO L225 Difference]: With dead ends: 226 [2023-12-16 17:42:30,917 INFO L226 Difference]: Without dead ends: 121 [2023-12-16 17:42:30,919 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 [2023-12-16 17:42:30,920 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 11 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 223 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 [2023-12-16 17:42:30,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 223 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-16 17:42:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 109. [2023-12-16 17:42:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 14 states have call predecessors, (16), 14 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2023-12-16 17:42:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 141 transitions. [2023-12-16 17:42:30,944 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 141 transitions. Word has length 41 [2023-12-16 17:42:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:30,944 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 141 transitions. [2023-12-16 17:42:30,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2023-12-16 17:42:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 17:42:30,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:30,946 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] [2023-12-16 17:42:30,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:31,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:31,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:31,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash -496393730, now seen corresponding path program 1 times [2023-12-16 17:42:31,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:31,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044682359] [2023-12-16 17:42:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:31,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:31,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:31,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:31,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:42:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:31,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 17:42:31,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 17:42:31,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:31,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:31,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044682359] [2023-12-16 17:42:31,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044682359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:31,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:31,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 17:42:31,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227617613] [2023-12-16 17:42:31,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:31,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:42:31,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:31,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:42:31,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:42:31,343 INFO L87 Difference]: Start difference. First operand 109 states and 141 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:31,608 INFO L93 Difference]: Finished difference Result 240 states and 311 transitions. [2023-12-16 17:42:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 17:42:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2023-12-16 17:42:31,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:31,609 INFO L225 Difference]: With dead ends: 240 [2023-12-16 17:42:31,609 INFO L226 Difference]: Without dead ends: 133 [2023-12-16 17:42:31,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:31,610 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 98 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:31,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 272 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:31,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-16 17:42:31,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 127. [2023-12-16 17:42:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 99 states have internal predecessors, (120), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (25), 19 states have call predecessors, (25), 18 states have call successors, (25) [2023-12-16 17:42:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2023-12-16 17:42:31,620 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 41 [2023-12-16 17:42:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:31,620 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2023-12-16 17:42:31,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2023-12-16 17:42:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-16 17:42:31,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:31,621 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:31,623 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 [2023-12-16 17:42:31,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:31,824 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:31,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:31,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1383791686, now seen corresponding path program 1 times [2023-12-16 17:42:31,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:31,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342124150] [2023-12-16 17:42:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:31,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:31,826 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:31,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 17:42:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:31,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:31,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:31,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:31,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:31,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342124150] [2023-12-16 17:42:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342124150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:31,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:31,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252540557] [2023-12-16 17:42:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:31,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:31,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:31,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:31,892 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:31,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:31,931 INFO L93 Difference]: Finished difference Result 256 states and 338 transitions. [2023-12-16 17:42:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:31,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-16 17:42:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:31,932 INFO L225 Difference]: With dead ends: 256 [2023-12-16 17:42:31,932 INFO L226 Difference]: Without dead ends: 131 [2023-12-16 17:42:31,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:31,933 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:31,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 216 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-12-16 17:42:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2023-12-16 17:42:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 101 states have internal predecessors, (122), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (25), 19 states have call predecessors, (25), 18 states have call successors, (25) [2023-12-16 17:42:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 165 transitions. [2023-12-16 17:42:31,947 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 165 transitions. Word has length 44 [2023-12-16 17:42:31,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:31,947 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 165 transitions. [2023-12-16 17:42:31,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 165 transitions. [2023-12-16 17:42:31,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-16 17:42:31,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:31,954 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:31,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:32,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:32,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:32,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1055178, now seen corresponding path program 1 times [2023-12-16 17:42:32,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:32,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195268851] [2023-12-16 17:42:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:32,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:32,232 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:32,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 17:42:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:32,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:32,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:32,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:32,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195268851] [2023-12-16 17:42:32,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195268851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:32,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:32,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766717832] [2023-12-16 17:42:32,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:32,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:32,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:32,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:32,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:32,359 INFO L87 Difference]: Start difference. First operand 129 states and 165 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:32,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:32,430 INFO L93 Difference]: Finished difference Result 300 states and 387 transitions. [2023-12-16 17:42:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:32,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-16 17:42:32,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:32,431 INFO L225 Difference]: With dead ends: 300 [2023-12-16 17:42:32,431 INFO L226 Difference]: Without dead ends: 173 [2023-12-16 17:42:32,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:32,432 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 31 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:32,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 143 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:32,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-16 17:42:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2023-12-16 17:42:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.28) internal successors, (160), 134 states have internal predecessors, (160), 25 states have call successors, (25), 20 states have call predecessors, (25), 22 states have return successors, (32), 25 states have call predecessors, (32), 25 states have call successors, (32) [2023-12-16 17:42:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 217 transitions. [2023-12-16 17:42:32,445 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 217 transitions. Word has length 44 [2023-12-16 17:42:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:32,460 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 217 transitions. [2023-12-16 17:42:32,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-16 17:42:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2023-12-16 17:42:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-16 17:42:32,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:32,462 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:32,465 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 [2023-12-16 17:42:32,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:32,665 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:32,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:32,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1884193968, now seen corresponding path program 1 times [2023-12-16 17:42:32,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:32,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309303800] [2023-12-16 17:42:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:32,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:32,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:32,667 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:32,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 17:42:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:32,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:42:32,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:32,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:32,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:32,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309303800] [2023-12-16 17:42:32,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309303800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:32,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:32,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:32,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915429084] [2023-12-16 17:42:32,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:32,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:42:32,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:32,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:42:32,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:42:32,801 INFO L87 Difference]: Start difference. First operand 173 states and 217 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 17:42:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:33,104 INFO L93 Difference]: Finished difference Result 558 states and 736 transitions. [2023-12-16 17:42:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:42:33,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 48 [2023-12-16 17:42:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:33,106 INFO L225 Difference]: With dead ends: 558 [2023-12-16 17:42:33,106 INFO L226 Difference]: Without dead ends: 431 [2023-12-16 17:42:33,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:33,107 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 199 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:33,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 327 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-12-16 17:42:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 383. [2023-12-16 17:42:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 275 states have (on average 1.269090909090909) internal successors, (349), 298 states have internal predecessors, (349), 57 states have call successors, (57), 43 states have call predecessors, (57), 50 states have return successors, (77), 57 states have call predecessors, (77), 57 states have call successors, (77) [2023-12-16 17:42:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 483 transitions. [2023-12-16 17:42:33,136 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 483 transitions. Word has length 48 [2023-12-16 17:42:33,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:33,136 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 483 transitions. [2023-12-16 17:42:33,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 17:42:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 483 transitions. [2023-12-16 17:42:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 17:42:33,137 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:33,138 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:33,140 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 [2023-12-16 17:42:33,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:33,340 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:33,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash -754437770, now seen corresponding path program 1 times [2023-12-16 17:42:33,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:33,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371066520] [2023-12-16 17:42:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:33,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:33,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:33,342 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:33,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:42:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:33,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:42:33,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:33,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-16 17:42:33,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:33,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371066520] [2023-12-16 17:42:33,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371066520] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:33,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-16 17:42:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906052910] [2023-12-16 17:42:33,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:33,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 17:42:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:33,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 17:42:33,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-16 17:42:33,629 INFO L87 Difference]: Start difference. First operand 383 states and 483 transitions. Second operand has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-16 17:42:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:33,987 INFO L93 Difference]: Finished difference Result 858 states and 1124 transitions. [2023-12-16 17:42:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:42:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 84 [2023-12-16 17:42:33,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:33,992 INFO L225 Difference]: With dead ends: 858 [2023-12-16 17:42:33,992 INFO L226 Difference]: Without dead ends: 519 [2023-12-16 17:42:33,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2023-12-16 17:42:33,994 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 159 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:33,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 970 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2023-12-16 17:42:34,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 463. [2023-12-16 17:42:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 330 states have (on average 1.2606060606060605) internal successors, (416), 359 states have internal predecessors, (416), 70 states have call successors, (70), 58 states have call predecessors, (70), 62 states have return successors, (88), 66 states have call predecessors, (88), 70 states have call successors, (88) [2023-12-16 17:42:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 574 transitions. [2023-12-16 17:42:34,032 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 574 transitions. Word has length 84 [2023-12-16 17:42:34,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:34,033 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 574 transitions. [2023-12-16 17:42:34,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-16 17:42:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 574 transitions. [2023-12-16 17:42:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-16 17:42:34,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:34,034 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:34,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:34,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:34,237 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:34,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:34,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1712684149, now seen corresponding path program 1 times [2023-12-16 17:42:34,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:34,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970692512] [2023-12-16 17:42:34,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:34,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:34,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:34,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:34,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 17:42:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:34,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:42:34,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:42:34,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 62 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-16 17:42:34,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:34,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970692512] [2023-12-16 17:42:34,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970692512] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:34,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-16 17:42:34,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592256513] [2023-12-16 17:42:34,756 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:34,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 17:42:34,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:34,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 17:42:34,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-12-16 17:42:34,757 INFO L87 Difference]: Start difference. First operand 463 states and 574 transitions. Second operand has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 10 states have call successors, (26), 5 states have call predecessors, (26), 8 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) [2023-12-16 17:42:35,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:35,776 INFO L93 Difference]: Finished difference Result 1582 states and 2095 transitions. [2023-12-16 17:42:35,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 17:42:35,776 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 10 states have call successors, (26), 5 states have call predecessors, (26), 8 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) Word has length 149 [2023-12-16 17:42:35,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:35,780 INFO L225 Difference]: With dead ends: 1582 [2023-12-16 17:42:35,781 INFO L226 Difference]: Without dead ends: 1121 [2023-12-16 17:42:35,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2023-12-16 17:42:35,783 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 673 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:35,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 594 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 17:42:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2023-12-16 17:42:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1045. [2023-12-16 17:42:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 734 states have (on average 1.2561307901907357) internal successors, (922), 810 states have internal predecessors, (922), 160 states have call successors, (160), 137 states have call predecessors, (160), 150 states have return successors, (232), 147 states have call predecessors, (232), 160 states have call successors, (232) [2023-12-16 17:42:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1314 transitions. [2023-12-16 17:42:35,852 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1314 transitions. Word has length 149 [2023-12-16 17:42:35,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:35,853 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1314 transitions. [2023-12-16 17:42:35,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 10 states have call successors, (26), 5 states have call predecessors, (26), 8 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) [2023-12-16 17:42:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1314 transitions. [2023-12-16 17:42:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-16 17:42:35,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:35,856 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:35,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:36,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:36,059 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:36,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1448305871, now seen corresponding path program 1 times [2023-12-16 17:42:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907699628] [2023-12-16 17:42:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:36,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:36,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:36,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:36,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 17:42:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:36,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 17:42:36,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 151 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-16 17:42:36,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-16 17:42:36,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:36,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907699628] [2023-12-16 17:42:36,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907699628] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:36,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:36,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-16 17:42:36,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407665244] [2023-12-16 17:42:36,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:36,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 17:42:36,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 17:42:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:36,452 INFO L87 Difference]: Start difference. First operand 1045 states and 1314 transitions. Second operand has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 6 states have call successors, (29), 4 states have call predecessors, (29), 10 states have return successors, (31), 8 states have call predecessors, (31), 6 states have call successors, (31) [2023-12-16 17:42:36,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:36,801 INFO L93 Difference]: Finished difference Result 2071 states and 2622 transitions. [2023-12-16 17:42:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 17:42:36,801 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 6 states have call successors, (29), 4 states have call predecessors, (29), 10 states have return successors, (31), 8 states have call predecessors, (31), 6 states have call successors, (31) Word has length 159 [2023-12-16 17:42:36,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:36,805 INFO L225 Difference]: With dead ends: 2071 [2023-12-16 17:42:36,805 INFO L226 Difference]: Without dead ends: 1070 [2023-12-16 17:42:36,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-12-16 17:42:36,808 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 200 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:36,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 393 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-12-16 17:42:36,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1020. [2023-12-16 17:42:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 716 states have (on average 1.2430167597765363) internal successors, (890), 788 states have internal predecessors, (890), 152 states have call successors, (152), 136 states have call predecessors, (152), 151 states have return successors, (219), 142 states have call predecessors, (219), 152 states have call successors, (219) [2023-12-16 17:42:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1261 transitions. [2023-12-16 17:42:36,864 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1261 transitions. Word has length 159 [2023-12-16 17:42:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:36,864 INFO L495 AbstractCegarLoop]: Abstraction has 1020 states and 1261 transitions. [2023-12-16 17:42:36,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 6 states have call successors, (29), 4 states have call predecessors, (29), 10 states have return successors, (31), 8 states have call predecessors, (31), 6 states have call successors, (31) [2023-12-16 17:42:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1261 transitions. [2023-12-16 17:42:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 17:42:36,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:36,866 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:36,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:37,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,070 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:37,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:37,070 INFO L85 PathProgramCache]: Analyzing trace with hash -459193085, now seen corresponding path program 1 times [2023-12-16 17:42:37,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:37,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845389852] [2023-12-16 17:42:37,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:37,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:37,075 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:37,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-16 17:42:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:37,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:37,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-16 17:42:37,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:37,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845389852] [2023-12-16 17:42:37,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845389852] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:37,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:37,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:37,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167645092] [2023-12-16 17:42:37,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:37,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:37,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:37,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:37,266 INFO L87 Difference]: Start difference. First operand 1020 states and 1261 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:42:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:37,500 INFO L93 Difference]: Finished difference Result 2973 states and 3721 transitions. [2023-12-16 17:42:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:37,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2023-12-16 17:42:37,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:37,508 INFO L225 Difference]: With dead ends: 2973 [2023-12-16 17:42:37,508 INFO L226 Difference]: Without dead ends: 1955 [2023-12-16 17:42:37,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:37,513 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 19 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:37,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 297 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:37,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2023-12-16 17:42:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1921. [2023-12-16 17:42:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1346 states have (on average 1.2221396731054979) internal successors, (1645), 1480 states have internal predecessors, (1645), 285 states have call successors, (285), 258 states have call predecessors, (285), 289 states have return successors, (414), 269 states have call predecessors, (414), 285 states have call successors, (414) [2023-12-16 17:42:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2344 transitions. [2023-12-16 17:42:37,630 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2344 transitions. Word has length 160 [2023-12-16 17:42:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:37,630 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 2344 transitions. [2023-12-16 17:42:37,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:42:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2344 transitions. [2023-12-16 17:42:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-16 17:42:37,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:37,633 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:37,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:37,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,836 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:37,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:37,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1072170169, now seen corresponding path program 1 times [2023-12-16 17:42:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171112827] [2023-12-16 17:42:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:37,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:37,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:37,838 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:37,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-16 17:42:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:37,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:37,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-16 17:42:37,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:37,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:37,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171112827] [2023-12-16 17:42:37,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171112827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:37,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:37,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:37,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240321218] [2023-12-16 17:42:37,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:37,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:37,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:37,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:37,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:37,973 INFO L87 Difference]: Start difference. First operand 1921 states and 2344 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:42:38,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:38,166 INFO L93 Difference]: Finished difference Result 3685 states and 4504 transitions. [2023-12-16 17:42:38,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:38,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 164 [2023-12-16 17:42:38,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:38,183 INFO L225 Difference]: With dead ends: 3685 [2023-12-16 17:42:38,183 INFO L226 Difference]: Without dead ends: 1766 [2023-12-16 17:42:38,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:38,190 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 52 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:38,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 552 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2023-12-16 17:42:38,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1702. [2023-12-16 17:42:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1203 states have (on average 1.1945137157107233) internal successors, (1437), 1302 states have internal predecessors, (1437), 253 states have call successors, (253), 230 states have call predecessors, (253), 245 states have return successors, (323), 235 states have call predecessors, (323), 253 states have call successors, (323) [2023-12-16 17:42:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2013 transitions. [2023-12-16 17:42:38,306 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2013 transitions. Word has length 164 [2023-12-16 17:42:38,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:38,306 INFO L495 AbstractCegarLoop]: Abstraction has 1702 states and 2013 transitions. [2023-12-16 17:42:38,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 3 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:42:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2013 transitions. [2023-12-16 17:42:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-16 17:42:38,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:38,308 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:38,314 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 (15)] Ended with exit code 0 [2023-12-16 17:42:38,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,511 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:38,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1999972923, now seen corresponding path program 1 times [2023-12-16 17:42:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:38,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084397744] [2023-12-16 17:42:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:38,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:38,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:38,513 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:38,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-16 17:42:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:38,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 17:42:38,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-16 17:42:38,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:38,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:38,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084397744] [2023-12-16 17:42:38,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084397744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:38,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:38,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168926674] [2023-12-16 17:42:38,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:38,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:38,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:38,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:38,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:38,686 INFO L87 Difference]: Start difference. First operand 1702 states and 2013 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:42:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:38,939 INFO L93 Difference]: Finished difference Result 3144 states and 3742 transitions. [2023-12-16 17:42:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:42:38,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 168 [2023-12-16 17:42:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:38,945 INFO L225 Difference]: With dead ends: 3144 [2023-12-16 17:42:38,945 INFO L226 Difference]: Without dead ends: 1532 [2023-12-16 17:42:38,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:38,954 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 51 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:38,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 332 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-12-16 17:42:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1496. [2023-12-16 17:42:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1069 states have (on average 1.1936389148737137) internal successors, (1276), 1146 states have internal predecessors, (1276), 216 states have call successors, (216), 199 states have call predecessors, (216), 210 states have return successors, (267), 199 states have call predecessors, (267), 216 states have call successors, (267) [2023-12-16 17:42:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1759 transitions. [2023-12-16 17:42:39,136 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1759 transitions. Word has length 168 [2023-12-16 17:42:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,137 INFO L495 AbstractCegarLoop]: Abstraction has 1496 states and 1759 transitions. [2023-12-16 17:42:39,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:42:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1759 transitions. [2023-12-16 17:42:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-16 17:42:39,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,139 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:39,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,343 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1249805243, now seen corresponding path program 2 times [2023-12-16 17:42:39,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578833558] [2023-12-16 17:42:39,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:42:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,345 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) [2023-12-16 17:42:39,364 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 [2023-12-16 17:42:39,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 17:42:39,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:42:39,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 61 proven. 77 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-16 17:42:39,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 30 proven. 95 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-16 17:42:40,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:40,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578833558] [2023-12-16 17:42:40,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578833558] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:40,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:40,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2023-12-16 17:42:40,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639826329] [2023-12-16 17:42:40,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:40,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 17:42:40,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:40,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 17:42:40,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-12-16 17:42:40,205 INFO L87 Difference]: Start difference. First operand 1496 states and 1759 transitions. Second operand has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 17 states have internal predecessors, (177), 15 states have call successors, (35), 8 states have call predecessors, (35), 12 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35) [2023-12-16 17:42:40,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:40,761 INFO L93 Difference]: Finished difference Result 2429 states and 2941 transitions. [2023-12-16 17:42:40,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 17:42:40,762 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 17 states have internal predecessors, (177), 15 states have call successors, (35), 8 states have call predecessors, (35), 12 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35) Word has length 168 [2023-12-16 17:42:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:40,766 INFO L225 Difference]: With dead ends: 2429 [2023-12-16 17:42:40,766 INFO L226 Difference]: Without dead ends: 1255 [2023-12-16 17:42:40,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-16 17:42:40,768 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 479 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:40,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 571 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 17:42:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-12-16 17:42:40,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1077. [2023-12-16 17:42:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 774 states have (on average 1.1550387596899225) internal successors, (894), 815 states have internal predecessors, (894), 159 states have call successors, (159), 145 states have call predecessors, (159), 143 states have return successors, (164), 142 states have call predecessors, (164), 159 states have call successors, (164) [2023-12-16 17:42:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1217 transitions. [2023-12-16 17:42:40,834 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1217 transitions. Word has length 168 [2023-12-16 17:42:40,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:40,834 INFO L495 AbstractCegarLoop]: Abstraction has 1077 states and 1217 transitions. [2023-12-16 17:42:40,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 17 states have internal predecessors, (177), 15 states have call successors, (35), 8 states have call predecessors, (35), 12 states have return successors, (35), 15 states have call predecessors, (35), 15 states have call successors, (35) [2023-12-16 17:42:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1217 transitions. [2023-12-16 17:42:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-16 17:42:40,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:40,837 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:40,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-12-16 17:42:41,040 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 [2023-12-16 17:42:41,040 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:41,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:41,040 INFO L85 PathProgramCache]: Analyzing trace with hash -508425233, now seen corresponding path program 1 times [2023-12-16 17:42:41,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:41,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427400806] [2023-12-16 17:42:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:41,042 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) [2023-12-16 17:42:41,068 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 [2023-12-16 17:42:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 72 proven. 125 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-16 17:42:41,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 23 proven. 157 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-16 17:42:41,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427400806] [2023-12-16 17:42:41,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427400806] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:41,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:41,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 16 [2023-12-16 17:42:41,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003077954] [2023-12-16 17:42:41,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 17:42:41,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 17:42:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-12-16 17:42:41,829 INFO L87 Difference]: Start difference. First operand 1077 states and 1217 transitions. Second operand has 16 states, 16 states have (on average 9.4375) internal successors, (151), 15 states have internal predecessors, (151), 11 states have call successors, (37), 8 states have call predecessors, (37), 13 states have return successors, (40), 11 states have call predecessors, (40), 11 states have call successors, (40) [2023-12-16 17:42:42,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:42,430 INFO L93 Difference]: Finished difference Result 1679 states and 1907 transitions. [2023-12-16 17:42:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 17:42:42,430 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.4375) internal successors, (151), 15 states have internal predecessors, (151), 11 states have call successors, (37), 8 states have call predecessors, (37), 13 states have return successors, (40), 11 states have call predecessors, (40), 11 states have call successors, (40) Word has length 215 [2023-12-16 17:42:42,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:42,431 INFO L225 Difference]: With dead ends: 1679 [2023-12-16 17:42:42,431 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:42:42,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=430, Unknown=0, NotChecked=0, Total=552 [2023-12-16 17:42:42,434 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 361 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:42,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 837 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 17:42:42,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:42:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:42:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:42:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:42:42,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2023-12-16 17:42:42,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:42,435 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:42:42,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.4375) internal successors, (151), 15 states have internal predecessors, (151), 11 states have call successors, (37), 8 states have call predecessors, (37), 13 states have return successors, (40), 11 states have call predecessors, (40), 11 states have call successors, (40) [2023-12-16 17:42:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:42:42,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:42:42,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:42:42,458 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 [2023-12-16 17:42:42,642 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 [2023-12-16 17:42:42,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:42:49,904 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 610 616) no Hoare annotation was computed. [2023-12-16 17:42:49,904 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 610 616) the Hoare annotation is: true [2023-12-16 17:42:49,905 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (let ((.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse14 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (not .cse5)) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not .cse14)) (.cse8 (and .cse13 .cse2 .cse14)) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse11 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse9 (not .cse13)) (.cse10 (= ~waterLevel~0 (_ bv3 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (or .cse5 .cse0 .cse1 .cse11 .cse6 .cse7) (or .cse0 .cse1 .cse12 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse12 .cse4 .cse10) (or .cse1 .cse2 .cse12 .cse4 .cse9) (or .cse0 .cse1 .cse2 .cse4 .cse11 .cse10) (or .cse1 .cse8 .cse4 .cse11 .cse9 .cse10)))) [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L902 garLoopResultBuilder]: At program point L897-1(lines 897 901) the Hoare annotation is: true [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 883 912) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L902 garLoopResultBuilder]: At program point L893-2(lines 893 907) the Hoare annotation is: true [2023-12-16 17:42:49,905 INFO L902 garLoopResultBuilder]: At program point L889(line 889) the Hoare annotation is: true [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L889-1(line 889) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L908(lines 883 912) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 883 912) the Hoare annotation is: true [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L904(line 904) no Hoare annotation was computed. [2023-12-16 17:42:49,905 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-12-16 17:42:49,920 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse12 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse10 (and (= ~waterLevel~0 (_ bv2 32)) .cse12)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse12)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (and (= ~waterLevel~0 (_ bv0 32)) .cse12)) (.cse7 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse8 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse4 .cse5) (or .cse7 .cse1 .cse4 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse6 .cse8 .cse1 .cse2 .cse9 .cse10) (or .cse6 .cse8 .cse1 .cse2 .cse4 .cse10) (or .cse7 .cse1 .cse2 .cse4 .cse11) (or .cse0 .cse1 .cse2 .cse3 .cse9) (or .cse7 .cse1 .cse2 .cse9 .cse11) (or .cse8 .cse7 .cse1 .cse9 .cse5) (or .cse8 .cse1 .cse3 .cse9 .cse5) (or .cse6 .cse1 .cse9 .cse5)))) [2023-12-16 17:42:49,920 INFO L899 garLoopResultBuilder]: For program point L663-1(lines 644 668) no Hoare annotation was computed. [2023-12-16 17:42:49,920 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-12-16 17:42:49,920 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (let ((.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse16 (not (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~3#1|))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (= (_ bv1 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~3#1|)) (.cse18 (and .cse16 .cse7 .cse14)) (.cse9 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= (_ bv0 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~3#1|)) (.cse6 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse8 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse15 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse1 (not .cse11)) (.cse19 (and .cse16 .cse12 .cse14)) (.cse17 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse8 .cse1 .cse9 .cse10 (and .cse11 .cse6 .cse12 .cse13 .cse14) .cse3) (or .cse15 .cse1 (and .cse4 .cse16 .cse6 .cse12) .cse2 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse17 .cse2) (or .cse0 .cse1 .cse17 .cse10) (or .cse1 .cse17 .cse18 .cse9 .cse2) (or .cse0 .cse1 .cse10 .cse3 (and .cse5 .cse11 .cse6 .cse7 .cse14)) (or .cse15 .cse1 .cse19 .cse17 .cse10) (or .cse1 .cse17 .cse18 .cse9 .cse10) (or .cse1 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse9 .cse2 (and .cse4 .cse6 .cse12 .cse13) .cse3) (or (and .cse16 .cse6 .cse12 .cse14) .cse8 .cse15 .cse1 .cse10 .cse3) (or .cse15 .cse1 .cse19 .cse17 .cse2)))) [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L556-1(line 556) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 596) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L590-2(lines 586 608) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 660) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 665) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L895 garLoopResultBuilder]: At program point L541(line 541) the Hoare annotation is: (let ((.cse16 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse21 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse22 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~systemActive~0 (_ bv1 32))) (.cse23 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse24 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse13 (and .cse15 .cse17 .cse23 .cse24)) (.cse14 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse19 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse18 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse20 (and .cse12 .cse24)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse10 (and .cse17 .cse22 .cse23 .cse24)) (.cse2 (not .cse23)) (.cse9 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse1 (not .cse17)) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not .cse21)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (not .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7 .cse8 .cse5) (or .cse9 .cse1 .cse10 .cse2 .cse6 .cse7) (or .cse0 .cse1 (and .cse11 .cse3 .cse12) .cse7 .cse8 .cse5) (or .cse13 .cse14 .cse9 .cse1 .cse2 .cse4) (or .cse14 .cse9 .cse1 .cse4 .cse8 (and .cse11 .cse15 .cse16 .cse17)) (or .cse14 .cse9 .cse1 .cse18 .cse19 .cse7 .cse8) (or .cse13 .cse14 .cse9 .cse1 .cse2 .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse20) (or .cse14 .cse1 .cse7 .cse8 (and .cse11 .cse15)) (or .cse9 .cse0 .cse1 .cse4 .cse8 (and .cse11 .cse16 .cse17 .cse12 .cse21)) (or .cse9 .cse1 (and .cse11 .cse22 .cse19) .cse18 .cse6 .cse7 .cse8) (or .cse1 .cse6 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse4 .cse20) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse1 .cse10 .cse2 .cse6 .cse4) (or .cse9 .cse1 .cse6 .cse4 (and .cse11 .cse16 .cse17 .cse22 .cse21) .cse8)))) [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L541-1(line 541) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 583 609) the Hoare annotation is: (let ((.cse16 (= |old(~pumpRunning~0)| (_ bv1 32))) (.cse21 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse22 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= ~systemActive~0 (_ bv1 32))) (.cse23 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse24 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse13 (and .cse15 .cse17 .cse23 .cse24)) (.cse14 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse19 (not (= ~switchedOnBeforeTS~0 (_ bv0 32)))) (.cse18 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse20 (and .cse12 .cse24)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse10 (and .cse17 .cse22 .cse23 .cse24)) (.cse2 (not .cse23)) (.cse9 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse1 (not .cse17)) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not .cse21)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (not .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7 .cse8 .cse5) (or .cse9 .cse1 .cse10 .cse2 .cse6 .cse7) (or .cse0 .cse1 (and .cse11 .cse3 .cse12) .cse7 .cse8 .cse5) (or .cse13 .cse14 .cse9 .cse1 .cse2 .cse4) (or .cse14 .cse9 .cse1 .cse4 .cse8 (and .cse11 .cse15 .cse16 .cse17)) (or .cse14 .cse9 .cse1 .cse18 .cse19 .cse7 .cse8) (or .cse13 .cse14 .cse9 .cse1 .cse2 .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse20) (or .cse14 .cse1 .cse7 .cse8 (and .cse11 .cse15)) (or .cse9 .cse0 .cse1 .cse4 .cse8 (and .cse11 .cse16 .cse17 .cse12 .cse21)) (or .cse9 .cse1 (and .cse11 .cse22 .cse19) .cse18 .cse6 .cse7 .cse8) (or .cse1 .cse6 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse4 .cse20) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse1 .cse10 .cse2 .cse6 .cse4) (or .cse9 .cse1 .cse6 .cse4 (and .cse11 .cse16 .cse17 .cse22 .cse21) .cse8)))) [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 546 574) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-12-16 17:42:49,921 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L895 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (let ((.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse9 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv0 32)))) (let ((.cse11 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv0 32)) .cse9)) (.cse0 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse12 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3) (or .cse6 .cse1 .cse2 .cse5) (or .cse6 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv1 32)) .cse9) .cse1 .cse3 .cse10) (or .cse0 .cse1 .cse2 .cse5) (or .cse11 .cse1 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse4 .cse3 .cse10) (or .cse11 .cse0 .cse1 .cse3 .cse10 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse12 .cse0 .cse1 .cse5 .cse10) (or .cse12 .cse1 .cse4 .cse5 .cse10) (or .cse6 .cse1 .cse5 .cse10) (or .cse1 .cse2 .cse4 .cse3)))) [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 583 609) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L895 garLoopResultBuilder]: At program point L650(line 650) the Hoare annotation is: (let ((.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (let ((.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse8 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse0 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse10 (and .cse11 .cse12 (= ~waterLevel~0 (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse1 .cse5 .cse8 .cse9) (or .cse6 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse10 .cse3 .cse9 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse6 .cse1 .cse2 .cse5) (or .cse7 .cse1 .cse10 .cse4 .cse5 .cse9) (or .cse6 .cse1 .cse3 .cse8 .cse9) (or .cse1 .cse10 (= |old(~switchedOnBeforeTS~0)| (_ bv0 32)) .cse4 .cse3 .cse9) (or .cse0 .cse1 .cse2 .cse5) (or .cse7 .cse0 .cse1 .cse10 .cse5 .cse9) (or .cse1 .cse2 .cse4 .cse3)))) [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L650-1(line 650) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L895 garLoopResultBuilder]: At program point L832(lines 789 834) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~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 .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse9 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse9 .cse6 .cse3 .cse4))) [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 805) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 972) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 972) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2023-12-16 17:42:49,922 INFO L895 garLoopResultBuilder]: At program point L825-2(lines 819 830) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~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 .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse8 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 (not (= ~switchedOnBeforeTS~0 (_ bv0 32))) .cse3) (and .cse7 .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2 .cse3) (and .cse7 .cse5 .cse1 .cse6 .cse3) (and .cse7 .cse1 .cse8 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse6 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse4))) [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L838(lines 779 842) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~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 .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse9 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse9 .cse6 .cse3 .cse4))) [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L895 garLoopResultBuilder]: At program point L835(lines 788 836) the Hoare annotation is: false [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L790(lines 789 834) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 830) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~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 .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse8 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse8 .cse3 .cse4) (and .cse1 .cse8 .cse6 .cse3 .cse4))) [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (not (= (_ bv0 32) |old(~waterLevel~0)|))) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse2 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (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 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse3 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse10 .cse3 .cse11 .cse6 .cse8 .cse9) (or .cse2 .cse3 .cse5 .cse7 .cse8) (or .cse2 .cse10 .cse3 .cse11 .cse8) (or .cse2 .cse10 .cse3 .cse4 .cse11) (or .cse2 .cse3 .cse5 .cse4 .cse7))) [2023-12-16 17:42:49,923 INFO L895 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: (let ((.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse7 .cse9) (or .cse0 .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse6 .cse4 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse1 .cse2 .cse7))) [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 634) no Hoare annotation was computed. [2023-12-16 17:42:49,923 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 639) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 690) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse8 (and .cse12 .cse11 .cse10 (= (_ bv0 32) ~pumpRunning~0))) (.cse9 (not .cse12)) (.cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse11)) (.cse5 (not .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse5 .cse6) (or .cse8 .cse0 .cse9 .cse5 .cse2) (or .cse0 .cse5 .cse7 .cse2) (or .cse0 .cse1 .cse7 .cse2 .cse3) (or .cse0 .cse5 .cse2 .cse4) (or .cse0 .cse5 .cse6 .cse4)))) [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point L684-2(lines 677 693) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 642) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32))) (.cse13 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (and .cse14 .cse13 .cse12 .cse4)) (.cse11 (not .cse14)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not .cse13)) (.cse1 (not .cse12)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse6 .cse8 .cse9 .cse3) (or .cse10 .cse0 .cse11 .cse1 .cse2) (or .cse10 .cse0 .cse11 .cse1 .cse8) (or .cse0 .cse1 .cse8 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4)))) [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point L682-1(line 682) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 136 149) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 771) no Hoare annotation was computed. [2023-12-16 17:42:49,924 INFO L899 garLoopResultBuilder]: For program point L767-2(lines 767 771) no Hoare annotation was computed. [2023-12-16 17:42:49,925 INFO L895 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (not (= ~switchedOnBeforeTS~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse2 .cse3 .cse6) (or .cse4 .cse0 .cse5 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse7) (or .cse0 .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse7 .cse9) (or .cse0 .cse2 .cse3 .cse9))) [2023-12-16 17:42:49,925 INFO L899 garLoopResultBuilder]: For program point L637-1(lines 618 642) no Hoare annotation was computed. [2023-12-16 17:42:49,925 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-12-16 17:42:49,925 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 618 642) no Hoare annotation was computed. [2023-12-16 17:42:49,925 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 713 721) no Hoare annotation was computed. [2023-12-16 17:42:49,925 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 713 721) the Hoare annotation is: true [2023-12-16 17:42:49,926 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 702 712) no Hoare annotation was computed. [2023-12-16 17:42:49,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 702 712) the Hoare annotation is: true [2023-12-16 17:42:49,927 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:49,929 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:42:49,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:42:49 BoogieIcfgContainer [2023-12-16 17:42:49,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:42:49,940 INFO L158 Benchmark]: Toolchain (without parser) took 21461.48ms. Allocated memory was 381.7MB in the beginning and 660.6MB in the end (delta: 278.9MB). Free memory was 337.4MB in the beginning and 404.8MB in the end (delta: -67.3MB). Peak memory consumption was 383.8MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,940 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 190.8MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:42:49,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.18ms. Allocated memory is still 381.7MB. Free memory was 337.1MB in the beginning and 311.3MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 381.7MB. Free memory was 311.3MB in the beginning and 309.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,941 INFO L158 Benchmark]: Boogie Preprocessor took 28.44ms. Allocated memory is still 381.7MB. Free memory was 309.2MB in the beginning and 306.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,941 INFO L158 Benchmark]: RCFGBuilder took 336.66ms. Allocated memory is still 381.7MB. Free memory was 306.4MB in the beginning and 340.4MB in the end (delta: -34.1MB). Peak memory consumption was 25.5MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,941 INFO L158 Benchmark]: TraceAbstraction took 20573.11ms. Allocated memory was 381.7MB in the beginning and 660.6MB in the end (delta: 278.9MB). Free memory was 339.4MB in the beginning and 404.8MB in the end (delta: -65.4MB). Peak memory consumption was 384.5MB. Max. memory is 8.0GB. [2023-12-16 17:42:49,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 190.8MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 478.18ms. Allocated memory is still 381.7MB. Free memory was 337.1MB in the beginning and 311.3MB in the end (delta: 25.9MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 381.7MB. Free memory was 311.3MB in the beginning and 309.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.44ms. Allocated memory is still 381.7MB. Free memory was 309.2MB in the beginning and 306.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 336.66ms. Allocated memory is still 381.7MB. Free memory was 306.4MB in the beginning and 340.4MB in the end (delta: -34.1MB). Peak memory consumption was 25.5MB. Max. memory is 8.0GB. * TraceAbstraction took 20573.11ms. Allocated memory was 381.7MB in the beginning and 660.6MB in the end (delta: 278.9MB). Free memory was 339.4MB in the beginning and 404.8MB in the end (delta: -65.4MB). Peak memory consumption was 384.5MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [159] - GenericResultAtLocation [Line: 525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [525] - GenericResultAtLocation [Line: 575]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [575] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [777] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] - GenericResultAtLocation [Line: 881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [881] * 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: 155]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 17, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2522 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2469 mSDsluCounter, 6158 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4566 mSDsCounter, 861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4823 IncrementalHoareTripleChecker+Invalid, 5684 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 861 mSolverCounterUnsat, 1592 mSDtfsCounter, 4823 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2437 GetRequests, 2275 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1921occurred in iteration=13, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 564 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 3205 PreInvPairs, 3378 NumberOfFragments, 3897 HoareAnnotationTreeSize, 3205 FormulaSimplifications, 11669 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 24 FormulaSimplificationsInter, 20481 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2342 ConstructedInterpolants, 0 QuantifiedInterpolants, 5955 SizeOfPredicates, 28 NumberOfNonLiveVariables, 3285 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 1960/2521 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: 789]: Loop Invariant Derived loop invariant: (((((((((((((methaneLevelCritical == 0) && (systemActive == 1)) && (waterLevel == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((waterLevel == 2) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((waterLevel == 2) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (switchedOnBeforeTS == 1)) && (waterLevel == 1)) && (splverifierCounter == 0))) || (((((systemActive == 1) && (waterLevel == 0)) && (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))) || ((((((1 == pumpRunning) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (switchedOnBeforeTS == 1)) && (waterLevel == 0)) && (splverifierCounter == 0))) || (((((systemActive == 1) && (waterLevel == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:42:49,980 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...