/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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:41,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:41,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:01:41,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:41,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:41,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:41,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:41,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:41,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:41,597 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:41,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:41,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:41,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:41,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:41,600 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:41,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:41,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:41,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:41,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:41,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:41,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:41,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:41,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:41,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:41,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:41,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:41,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:41,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:41,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:41,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:41,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:41,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:41,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:41,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:41,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:41,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:41,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:41,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:41,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:41,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:41,608 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:41,608 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:41,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:41,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:41,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:41,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:41,864 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:41,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2023-12-25 06:01:43,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:43,346 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:43,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2023-12-25 06:01:43,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de30edd46/b7b7b27a986c44f08dc3446334f58daa/FLAGcfc82bffa [2023-12-25 06:01:43,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de30edd46/b7b7b27a986c44f08dc3446334f58daa [2023-12-25 06:01:43,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:43,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:43,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:43,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:43,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:43,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a7e92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43, skipping insertion in model container [2023-12-25 06:01:43,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:43,613 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_spec2_product37.cil.c[7021,7034] [2023-12-25 06:01:43,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:43,695 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:01:43,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:43,726 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_spec2_product37.cil.c[7021,7034] [2023-12-25 06:01:43,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:43,760 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:01:43,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2023-12-25 06:01:43,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] [2023-12-25 06:01:43,797 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_spec2_product37.cil.c[7021,7034] [2023-12-25 06:01:43,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:43,849 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:01:43,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43 WrapperNode [2023-12-25 06:01:43,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:43,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:43,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:01:43,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:01:43,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,897 INFO L138 Inliner]: procedures = 56, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 183 [2023-12-25 06:01:43,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:43,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:01:43,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:01:43,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:01:43,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,927 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:01:43,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:01:43,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:01:43,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:01:43,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:01:43,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (1/1) ... [2023-12-25 06:01:43,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:01:43,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:01:43,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:01:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:01:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:01:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:01:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:01:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:01:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:01:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:01:44,100 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:01:44,102 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:01:44,339 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:01:44,462 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:01:44,462 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:01:44,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:44 BoogieIcfgContainer [2023-12-25 06:01:44,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:01:44,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:01:44,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:01:44,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:01:44,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:43" (1/3) ... [2023-12-25 06:01:44,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621223b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:44, skipping insertion in model container [2023-12-25 06:01:44,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:43" (2/3) ... [2023-12-25 06:01:44,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621223b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:44, skipping insertion in model container [2023-12-25 06:01:44,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:44" (3/3) ... [2023-12-25 06:01:44,468 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2023-12-25 06:01:44,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:01:44,482 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:01:44,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:01:44,554 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;@9d2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:01:44,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:01:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 47 states have (on average 1.553191489361702) internal successors, (73), 55 states have internal predecessors, (73), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-25 06:01:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:01:44,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:44,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:44,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:44,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1925508076, now seen corresponding path program 1 times [2023-12-25 06:01:44,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:44,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344919581] [2023-12-25 06:01:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:44,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:44,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:01:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:44,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:01:44,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:44,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:44,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:44,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344919581] [2023-12-25 06:01:44,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344919581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:44,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:44,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392966161] [2023-12-25 06:01:44,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:44,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:01:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:44,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:01:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:44,737 INFO L87 Difference]: Start difference. First operand has 68 states, 47 states have (on average 1.553191489361702) internal successors, (73), 55 states have internal predecessors, (73), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:44,798 INFO L93 Difference]: Finished difference Result 134 states and 195 transitions. [2023-12-25 06:01:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:01:44,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:01:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:44,811 INFO L225 Difference]: With dead ends: 134 [2023-12-25 06:01:44,811 INFO L226 Difference]: Without dead ends: 63 [2023-12-25 06:01:44,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:44,818 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:44,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-25 06:01:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-25 06:01:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 51 states have internal predecessors, (63), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-25 06:01:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2023-12-25 06:01:44,859 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 17 [2023-12-25 06:01:44,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:44,859 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2023-12-25 06:01:44,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-12-25 06:01:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:01:44,864 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:44,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:44,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-25 06:01:45,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:45,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:45,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1781820203, now seen corresponding path program 1 times [2023-12-25 06:01:45,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:45,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586282731] [2023-12-25 06:01:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:45,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:45,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:45,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:01:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:45,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:45,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:45,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:45,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586282731] [2023-12-25 06:01:45,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586282731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:45,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:45,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:45,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363940215] [2023-12-25 06:01:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:45,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:45,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:45,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:45,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,165 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:45,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:45,204 INFO L93 Difference]: Finished difference Result 99 states and 135 transitions. [2023-12-25 06:01:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:01:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:45,205 INFO L225 Difference]: With dead ends: 99 [2023-12-25 06:01:45,205 INFO L226 Difference]: Without dead ends: 55 [2023-12-25 06:01:45,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,206 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:45,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 116 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-25 06:01:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-25 06:01:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 46 states have internal predecessors, (57), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-25 06:01:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2023-12-25 06:01:45,212 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 18 [2023-12-25 06:01:45,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:45,213 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2023-12-25 06:01:45,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-12-25 06:01:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:01:45,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:45,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:45,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:45,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:45,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:45,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1993951259, now seen corresponding path program 1 times [2023-12-25 06:01:45,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:45,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511535954] [2023-12-25 06:01:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:45,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:45,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:01:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:45,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:45,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:45,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:45,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:45,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511535954] [2023-12-25 06:01:45,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511535954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:45,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:45,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:45,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486830650] [2023-12-25 06:01:45,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:45,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:45,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:45,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:45,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,491 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:45,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:45,515 INFO L93 Difference]: Finished difference Result 108 states and 149 transitions. [2023-12-25 06:01:45,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:45,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:01:45,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:45,518 INFO L225 Difference]: With dead ends: 108 [2023-12-25 06:01:45,518 INFO L226 Difference]: Without dead ends: 55 [2023-12-25 06:01:45,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,519 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:45,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 63 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:45,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-25 06:01:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-25 06:01:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.435897435897436) internal successors, (56), 46 states have internal predecessors, (56), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-25 06:01:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2023-12-25 06:01:45,526 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 21 [2023-12-25 06:01:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:45,527 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-12-25 06:01:45,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-12-25 06:01:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-25 06:01:45,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:45,529 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] [2023-12-25 06:01:45,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:45,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:45,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash 273858055, now seen corresponding path program 1 times [2023-12-25 06:01:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:45,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463510520] [2023-12-25 06:01:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:45,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:45,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:45,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:45,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:01:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:45,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:45,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:01:45,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:45,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463510520] [2023-12-25 06:01:45,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463510520] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:45,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449049440] [2023-12-25 06:01:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:45,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:45,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:45,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:45,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,850 INFO L87 Difference]: Start difference. First operand 55 states and 74 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:45,914 INFO L93 Difference]: Finished difference Result 147 states and 201 transitions. [2023-12-25 06:01:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:45,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-25 06:01:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:45,919 INFO L225 Difference]: With dead ends: 147 [2023-12-25 06:01:45,919 INFO L226 Difference]: Without dead ends: 94 [2023-12-25 06:01:45,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:45,926 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 48 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:45,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-25 06:01:45,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2023-12-25 06:01:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 66 states have (on average 1.393939393939394) internal successors, (92), 73 states have internal predecessors, (92), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2023-12-25 06:01:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2023-12-25 06:01:45,963 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 28 [2023-12-25 06:01:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:45,963 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2023-12-25 06:01:45,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2023-12-25 06:01:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:01:45,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:45,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:45,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:46,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,167 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:46,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1923035712, now seen corresponding path program 1 times [2023-12-25 06:01:46,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:46,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759923836] [2023-12-25 06:01:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:46,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:46,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:46,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:01:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:46,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:46,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:46,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:46,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759923836] [2023-12-25 06:01:46,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759923836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:46,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:46,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:46,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613230340] [2023-12-25 06:01:46,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:46,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:46,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:46,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:46,235 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:46,273 INFO L93 Difference]: Finished difference Result 256 states and 352 transitions. [2023-12-25 06:01:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:46,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-12-25 06:01:46,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:46,275 INFO L225 Difference]: With dead ends: 256 [2023-12-25 06:01:46,275 INFO L226 Difference]: Without dead ends: 166 [2023-12-25 06:01:46,275 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 [2023-12-25 06:01:46,276 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 39 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:46,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 120 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-25 06:01:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 164. [2023-12-25 06:01:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 119 states have (on average 1.3781512605042017) internal successors, (164), 128 states have internal predecessors, (164), 23 states have call successors, (23), 22 states have call predecessors, (23), 21 states have return successors, (32), 22 states have call predecessors, (32), 23 states have call successors, (32) [2023-12-25 06:01:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 219 transitions. [2023-12-25 06:01:46,293 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 219 transitions. Word has length 33 [2023-12-25 06:01:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:46,293 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 219 transitions. [2023-12-25 06:01:46,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 219 transitions. [2023-12-25 06:01:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:01:46,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:46,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:46,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:46,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,497 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:46,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash -334687810, now seen corresponding path program 1 times [2023-12-25 06:01:46,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:46,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128210031] [2023-12-25 06:01:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:46,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:46,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:46,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:01:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:46,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:46,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:46,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:46,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:46,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128210031] [2023-12-25 06:01:46,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128210031] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:46,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:46,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:46,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345160871] [2023-12-25 06:01:46,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:46,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:46,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:46,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:46,568 INFO L87 Difference]: Start difference. First operand 164 states and 219 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:46,609 INFO L93 Difference]: Finished difference Result 330 states and 450 transitions. [2023-12-25 06:01:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:46,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-12-25 06:01:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:46,613 INFO L225 Difference]: With dead ends: 330 [2023-12-25 06:01:46,613 INFO L226 Difference]: Without dead ends: 168 [2023-12-25 06:01:46,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:46,615 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:46,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 192 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:46,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-25 06:01:46,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2023-12-25 06:01:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.3658536585365855) internal successors, (168), 132 states have internal predecessors, (168), 23 states have call successors, (23), 22 states have call predecessors, (23), 21 states have return successors, (32), 22 states have call predecessors, (32), 23 states have call successors, (32) [2023-12-25 06:01:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 223 transitions. [2023-12-25 06:01:46,645 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 223 transitions. Word has length 33 [2023-12-25 06:01:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:46,645 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 223 transitions. [2023-12-25 06:01:46,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 223 transitions. [2023-12-25 06:01:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-25 06:01:46,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:46,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:46,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:46,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,853 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:46,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:46,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1614551488, now seen corresponding path program 1 times [2023-12-25 06:01:46,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:46,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064735507] [2023-12-25 06:01:46,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:46,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:46,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:46,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:46,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:01:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:46,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:46,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:46,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:46,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:46,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064735507] [2023-12-25 06:01:46,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064735507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:46,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:46,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988674826] [2023-12-25 06:01:46,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:46,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:46,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:46,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:46,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:46,929 INFO L87 Difference]: Start difference. First operand 168 states and 223 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:46,970 INFO L93 Difference]: Finished difference Result 309 states and 419 transitions. [2023-12-25 06:01:46,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:46,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-12-25 06:01:46,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:46,971 INFO L225 Difference]: With dead ends: 309 [2023-12-25 06:01:46,971 INFO L226 Difference]: Without dead ends: 143 [2023-12-25 06:01:46,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:01:46,972 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 6 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:46,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 185 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-25 06:01:46,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2023-12-25 06:01:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 109 states have internal predecessors, (135), 19 states have call successors, (19), 18 states have call predecessors, (19), 17 states have return successors, (23), 18 states have call predecessors, (23), 19 states have call successors, (23) [2023-12-25 06:01:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 177 transitions. [2023-12-25 06:01:46,981 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 177 transitions. Word has length 33 [2023-12-25 06:01:46,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:46,982 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 177 transitions. [2023-12-25 06:01:46,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:01:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2023-12-25 06:01:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-25 06:01:46,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:46,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:47,000 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 (8)] Ended with exit code 0 [2023-12-25 06:01:47,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:47,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:47,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1097705207, now seen corresponding path program 1 times [2023-12-25 06:01:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815776482] [2023-12-25 06:01:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:47,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:47,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:47,199 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:47,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:01:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:47,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:47,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:47,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:47,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815776482] [2023-12-25 06:01:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815776482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934377599] [2023-12-25 06:01:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:47,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:47,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:47,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:47,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:47,314 INFO L87 Difference]: Start difference. First operand 138 states and 177 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-25 06:01:47,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:47,408 INFO L93 Difference]: Finished difference Result 405 states and 528 transitions. [2023-12-25 06:01:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:01:47,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-12-25 06:01:47,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:47,410 INFO L225 Difference]: With dead ends: 405 [2023-12-25 06:01:47,410 INFO L226 Difference]: Without dead ends: 269 [2023-12-25 06:01:47,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:47,412 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 35 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:47,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 286 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:47,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-12-25 06:01:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 266. [2023-12-25 06:01:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 193 states have (on average 1.2901554404145077) internal successors, (249), 208 states have internal predecessors, (249), 38 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (49), 36 states have call predecessors, (49), 38 states have call successors, (49) [2023-12-25 06:01:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 336 transitions. [2023-12-25 06:01:47,434 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 336 transitions. Word has length 36 [2023-12-25 06:01:47,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:47,434 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 336 transitions. [2023-12-25 06:01:47,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-25 06:01:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 336 transitions. [2023-12-25 06:01:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-25 06:01:47,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:47,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:47,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:47,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:47,639 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:47,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash 116605549, now seen corresponding path program 1 times [2023-12-25 06:01:47,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:47,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533125372] [2023-12-25 06:01:47,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:47,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:47,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:47,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:47,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:01:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:47,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:01:47,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:47,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:47,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:47,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533125372] [2023-12-25 06:01:47,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533125372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562711889] [2023-12-25 06:01:47,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:47,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 06:01:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:47,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 06:01:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:01:47,778 INFO L87 Difference]: Start difference. First operand 266 states and 336 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:01:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:47,947 INFO L93 Difference]: Finished difference Result 570 states and 719 transitions. [2023-12-25 06:01:47,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:01:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-12-25 06:01:47,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:47,950 INFO L225 Difference]: With dead ends: 570 [2023-12-25 06:01:47,950 INFO L226 Difference]: Without dead ends: 306 [2023-12-25 06:01:47,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-25 06:01:47,953 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:47,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 155 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:47,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-12-25 06:01:47,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 299. [2023-12-25 06:01:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.2592592592592593) internal successors, (272), 231 states have internal predecessors, (272), 42 states have call successors, (42), 36 states have call predecessors, (42), 40 states have return successors, (59), 42 states have call predecessors, (59), 42 states have call successors, (59) [2023-12-25 06:01:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 373 transitions. [2023-12-25 06:01:47,981 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 373 transitions. Word has length 40 [2023-12-25 06:01:47,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:47,982 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 373 transitions. [2023-12-25 06:01:47,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:01:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 373 transitions. [2023-12-25 06:01:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-25 06:01:47,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:47,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:47,989 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 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:48,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,187 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:48,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:48,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1680185608, now seen corresponding path program 1 times [2023-12-25 06:01:48,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:48,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705389559] [2023-12-25 06:01:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:48,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:48,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:48,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:01:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:48,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:48,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:48,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:48,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705389559] [2023-12-25 06:01:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705389559] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:48,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:48,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:48,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777393365] [2023-12-25 06:01:48,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:48,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:48,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:48,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:48,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:48,291 INFO L87 Difference]: Start difference. First operand 299 states and 373 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:01:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:48,346 INFO L93 Difference]: Finished difference Result 456 states and 582 transitions. [2023-12-25 06:01:48,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:48,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-12-25 06:01:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:48,350 INFO L225 Difference]: With dead ends: 456 [2023-12-25 06:01:48,350 INFO L226 Difference]: Without dead ends: 454 [2023-12-25 06:01:48,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:48,350 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 31 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:48,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 130 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-25 06:01:48,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 375. [2023-12-25 06:01:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 271 states have (on average 1.2730627306273063) internal successors, (345), 291 states have internal predecessors, (345), 52 states have call successors, (52), 44 states have call predecessors, (52), 51 states have return successors, (81), 52 states have call predecessors, (81), 52 states have call successors, (81) [2023-12-25 06:01:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 478 transitions. [2023-12-25 06:01:48,390 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 478 transitions. Word has length 41 [2023-12-25 06:01:48,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:48,391 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 478 transitions. [2023-12-25 06:01:48,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:01:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 478 transitions. [2023-12-25 06:01:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-25 06:01:48,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:48,392 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 06:01:48,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:48,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,595 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:48,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2088103998, now seen corresponding path program 1 times [2023-12-25 06:01:48,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:48,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036106277] [2023-12-25 06:01:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:48,610 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:48,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:01:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:48,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:48,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:48,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:48,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:48,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036106277] [2023-12-25 06:01:48,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036106277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:48,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:48,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:48,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593871763] [2023-12-25 06:01:48,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:48,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:48,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:48,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:48,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:48,696 INFO L87 Difference]: Start difference. First operand 375 states and 478 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:01:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:48,741 INFO L93 Difference]: Finished difference Result 639 states and 825 transitions. [2023-12-25 06:01:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 73 [2023-12-25 06:01:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:48,744 INFO L225 Difference]: With dead ends: 639 [2023-12-25 06:01:48,744 INFO L226 Difference]: Without dead ends: 347 [2023-12-25 06:01:48,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:48,745 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 36 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:48,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-25 06:01:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2023-12-25 06:01:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 249 states have (on average 1.2369477911646587) internal successors, (308), 268 states have internal predecessors, (308), 49 states have call successors, (49), 42 states have call predecessors, (49), 48 states have return successors, (63), 49 states have call predecessors, (63), 49 states have call successors, (63) [2023-12-25 06:01:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 420 transitions. [2023-12-25 06:01:48,768 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 420 transitions. Word has length 73 [2023-12-25 06:01:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:48,768 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 420 transitions. [2023-12-25 06:01:48,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:01:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 420 transitions. [2023-12-25 06:01:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 06:01:48,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:48,770 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:48,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:48,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,972 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:48,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1367833454, now seen corresponding path program 1 times [2023-12-25 06:01:48,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:48,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892994222] [2023-12-25 06:01:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:48,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:48,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:48,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:48,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 06:01:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:49,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:01:49,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:01:49,086 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:49,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:49,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892994222] [2023-12-25 06:01:49,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892994222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:49,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:49,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:01:49,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288556586] [2023-12-25 06:01:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:49,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:49,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:49,087 INFO L87 Difference]: Start difference. First operand 347 states and 420 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:49,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:49,173 INFO L93 Difference]: Finished difference Result 654 states and 797 transitions. [2023-12-25 06:01:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:01:49,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2023-12-25 06:01:49,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:49,174 INFO L225 Difference]: With dead ends: 654 [2023-12-25 06:01:49,174 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:01:49,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:49,175 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 23 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:49,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 423 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:49,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:01:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:01:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:01:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:01:49,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2023-12-25 06:01:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:49,176 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:01:49,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:01:49,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:01:49,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:01:49,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:49,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:49,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:01:50,773 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2023-12-25 06:01:50,774 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2023-12-25 06:01:50,774 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 373 384) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse3 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 .cse6 .cse7 .cse5 .cse3))) [2023-12-25 06:01:50,774 INFO L899 garLoopResultBuilder]: For program point L377-1(lines 373 384) no Hoare annotation was computed. [2023-12-25 06:01:50,774 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 373 384) no Hoare annotation was computed. [2023-12-25 06:01:50,774 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2023-12-25 06:01:50,774 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2023-12-25 06:01:50,774 INFO L902 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2023-12-25 06:01:50,774 INFO L902 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2023-12-25 06:01:50,775 INFO L902 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L842(lines 817 846) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 817 846) the Hoare annotation is: true [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 385 393) the Hoare annotation is: true [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 385 393) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L353-2(lines 349 360) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse5) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse4 .cse5))) [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse8 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse3 (and .cse6 .cse5) .cse7 .cse4) (or .cse0 .cse7 .cse2) (or .cse0 .cse3 (and .cse6 .cse8) .cse9 .cse4 .cse1) (or .cse0 .cse3 .cse9 .cse7 .cse4 .cse8))) [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 121 145) no Hoare annotation was computed. [2023-12-25 06:01:50,775 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse10 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (and .cse10 (= ~waterLevel~0 (_ bv1 32)) .cse8)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse5 .cse7 .cse8) (or .cse0 .cse4 .cse9 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (or .cse6 .cse0 .cse7 .cse9 .cse8) (or .cse0 .cse1 (and .cse6 .cse10) .cse4 .cse5 .cse8)))) [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (and .cse4 (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7 .cse2 .cse5) (or .cse1 .cse6 .cse8 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse10 .cse3) (or .cse1 .cse6 .cse8 .cse2 .cse5 .cse9) (or .cse1 .cse6 .cse7 .cse5 .cse10)))) [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse0 .cse6 .cse5))) [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 316 344) no Hoare annotation was computed. [2023-12-25 06:01:50,776 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L895 garLoopResultBuilder]: At program point L287-2(lines 281 292) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L300(lines 241 304) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2023-12-25 06:01:50,777 INFO L895 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L895 garLoopResultBuilder]: At program point L294(lines 251 296) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2023-12-25 06:01:50,777 INFO L899 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2023-12-25 06:01:50,778 INFO L899 garLoopResultBuilder]: For program point L902-2(lines 902 909) no Hoare annotation was computed. [2023-12-25 06:01:50,778 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2023-12-25 06:01:50,778 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2023-12-25 06:01:50,778 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2023-12-25 06:01:50,778 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2023-12-25 06:01:50,781 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 119) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2023-12-25 06:01:50,781 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 426 439) no Hoare annotation was computed. [2023-12-25 06:01:50,781 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 95 119) no Hoare annotation was computed. [2023-12-25 06:01:50,781 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse0 (not .cse8)) (.cse2 (and .cse8 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse1 .cse7 .cse5) (or .cse6 .cse0 .cse3 .cse4 .cse7 .cse5) (or .cse0 .cse2 .cse3 .cse1)))) [2023-12-25 06:01:50,781 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2023-12-25 06:01:50,781 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2023-12-25 06:01:50,781 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-12-25 06:01:50,782 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 361 372) no Hoare annotation was computed. [2023-12-25 06:01:50,782 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 361 372) no Hoare annotation was computed. [2023-12-25 06:01:50,782 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 372) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse3 .cse4))) [2023-12-25 06:01:50,784 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:50,785 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:01:50,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:01:50 BoogieIcfgContainer [2023-12-25 06:01:50,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:01:50,795 INFO L158 Benchmark]: Toolchain (without parser) took 7416.30ms. Allocated memory is still 326.1MB. Free memory was 277.2MB in the beginning and 234.0MB in the end (delta: 43.2MB). Peak memory consumption was 170.6MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,795 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 209.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:01:50,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.43ms. Allocated memory is still 326.1MB. Free memory was 276.9MB in the beginning and 251.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.91ms. Allocated memory is still 326.1MB. Free memory was 251.2MB in the beginning and 249.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,796 INFO L158 Benchmark]: Boogie Preprocessor took 50.27ms. Allocated memory is still 326.1MB. Free memory was 249.0MB in the beginning and 246.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,796 INFO L158 Benchmark]: RCFGBuilder took 513.64ms. Allocated memory is still 326.1MB. Free memory was 246.5MB in the beginning and 273.0MB in the end (delta: -26.5MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,797 INFO L158 Benchmark]: TraceAbstraction took 6330.43ms. Allocated memory is still 326.1MB. Free memory was 272.4MB in the beginning and 234.0MB in the end (delta: 38.4MB). Peak memory consumption was 165.8MB. Max. memory is 8.0GB. [2023-12-25 06:01:50,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 209.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.43ms. Allocated memory is still 326.1MB. Free memory was 276.9MB in the beginning and 251.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.91ms. Allocated memory is still 326.1MB. Free memory was 251.2MB in the beginning and 249.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.27ms. Allocated memory is still 326.1MB. Free memory was 249.0MB in the beginning and 246.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 513.64ms. Allocated memory is still 326.1MB. Free memory was 246.5MB in the beginning and 273.0MB in the end (delta: -26.5MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * TraceAbstraction took 6330.43ms. Allocated memory is still 326.1MB. Free memory was 272.4MB in the beginning and 234.0MB in the end (delta: 38.4MB). Peak memory consumption was 165.8MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] - GenericResultAtLocation [Line: 440]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 445]: 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 8 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 386 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 2016 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1157 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 511 IncrementalHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 859 mSDtfsCounter, 511 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=10, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 98 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 564 PreInvPairs, 614 NumberOfFragments, 1161 HoareAnnotationTreeSize, 564 FormulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FormulaSimplificationsInter, 2093 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1283 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 60/60 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: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((((methAndRunningLastTime == 0) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((methAndRunningLastTime == 0) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((1 == pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0))) || ((((1 == pumpRunning) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:01:50,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...