/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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:40:10,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:40:10,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:40:10,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:40:10,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:40:10,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:40:10,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:40:10,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:40:10,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:40:10,960 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:40:10,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:40:10,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:40:10,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:40:10,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:40:10,962 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:40:10,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:40:10,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:40:10,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:40:10,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:40:10,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:40:10,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:40:10,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:40:10,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:40:10,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:40:10,965 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:40:10,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:10,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:40:10,966 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:40:10,967 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:40:10,968 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:40:11,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:40:11,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:40:11,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:40:11,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:40:11,133 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:40:11,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2023-12-16 17:40:12,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:40:12,397 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:40:12,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2023-12-16 17:40:12,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8affad743/2f3cf08e79ab4bc79d0cf21321e6a79d/FLAG63835d1df [2023-12-16 17:40:12,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8affad743/2f3cf08e79ab4bc79d0cf21321e6a79d [2023-12-16 17:40:12,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:40:12,420 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:40:12,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:12,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:40:12,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:40:12,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a94a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12, skipping insertion in model container [2023-12-16 17:40:12,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:12,687 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_product52.cil.c[19177,19190] [2023-12-16 17:40:12,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:12,706 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:40:12,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:12,771 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_product52.cil.c[19177,19190] [2023-12-16 17:40:12,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:12,775 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:40:12,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-16 17:40:12,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2023-12-16 17:40:12,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] [2023-12-16 17:40:12,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] [2023-12-16 17:40:12,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] [2023-12-16 17:40:12,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] [2023-12-16 17:40:12,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2023-12-16 17:40:12,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] [2023-12-16 17:40:12,820 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_product52.cil.c[19177,19190] [2023-12-16 17:40:12,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:12,834 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:40:12,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12 WrapperNode [2023-12-16 17:40:12,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:12,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:12,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:40:12,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:40:12,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,872 INFO L138 Inliner]: procedures = 60, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 201 [2023-12-16 17:40:12,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:12,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:40:12,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:40:12,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:40:12,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,909 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:40:12,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:40:12,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:40:12,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:40:12,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:40:12,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (1/1) ... [2023-12-16 17:40:12,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:12,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:40:12,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:40:12,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:40:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:40:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:40:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:40:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:40:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:40:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:40:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:40:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:40:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:40:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:40:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:40:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:40:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:40:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:40:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:40:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:40:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:40:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:40:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:40:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:40:13,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:40:13,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:40:13,296 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:40:13,377 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:40:13,377 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:40:13,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:13 BoogieIcfgContainer [2023-12-16 17:40:13,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:40:13,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:40:13,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:40:13,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:40:13,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:12" (1/3) ... [2023-12-16 17:40:13,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ea34f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:13, skipping insertion in model container [2023-12-16 17:40:13,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:12" (2/3) ... [2023-12-16 17:40:13,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ea34f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:13, skipping insertion in model container [2023-12-16 17:40:13,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:13" (3/3) ... [2023-12-16 17:40:13,401 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2023-12-16 17:40:13,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:40:13,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:40:13,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:40:13,456 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;@345b34ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:40:13,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:40:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 60 states have internal predecessors, (79), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:40:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:40:13,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:13,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:13,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:13,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 149002175, now seen corresponding path program 1 times [2023-12-16 17:40:13,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:13,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167382432] [2023-12-16 17:40:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:13,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:13,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:13,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:13,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:40:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:13,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:40:13,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:13,592 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:13,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167382432] [2023-12-16 17:40:13,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167382432] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:13,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:13,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:13,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50340319] [2023-12-16 17:40:13,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:13,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:40:13,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:40:13,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:40:13,626 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 60 states have internal predecessors, (79), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) 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) [2023-12-16 17:40:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:13,678 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-16 17:40:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:40:13,680 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 [2023-12-16 17:40:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:13,687 INFO L225 Difference]: With dead ends: 146 [2023-12-16 17:40:13,687 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 17:40:13,690 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 [2023-12-16 17:40:13,692 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:13,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 17:40:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 17:40:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.4375) internal successors, (69), 56 states have internal predecessors, (69), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-16 17:40:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-16 17:40:13,732 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 17 [2023-12-16 17:40:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:13,732 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-16 17:40:13,732 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) [2023-12-16 17:40:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-16 17:40:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:40:13,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:13,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:13,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:40:13,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:13,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:13,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1711369592, now seen corresponding path program 1 times [2023-12-16 17:40:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650013651] [2023-12-16 17:40:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:13,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:13,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:40:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:13,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:13,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:13,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:13,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:13,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650013651] [2023-12-16 17:40:13,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650013651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:13,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:13,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:13,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028019539] [2023-12-16 17:40:13,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:13,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:13,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:13,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:13,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:13,995 INFO L87 Difference]: Start difference. First operand 69 states and 94 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) [2023-12-16 17:40:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:14,020 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-16 17:40:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:14,020 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 [2023-12-16 17:40:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:14,021 INFO L225 Difference]: With dead ends: 108 [2023-12-16 17:40:14,021 INFO L226 Difference]: Without dead ends: 61 [2023-12-16 17:40:14,022 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 [2023-12-16 17:40:14,022 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:14,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-16 17:40:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-16 17:40:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 51 states have internal predecessors, (63), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 17:40:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-16 17:40:14,028 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 18 [2023-12-16 17:40:14,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:14,028 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-16 17:40:14,028 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) [2023-12-16 17:40:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-16 17:40:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:40:14,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:14,029 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] [2023-12-16 17:40:14,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:14,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:14,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:14,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:14,232 INFO L85 PathProgramCache]: Analyzing trace with hash -212216258, now seen corresponding path program 1 times [2023-12-16 17:40:14,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:14,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867301763] [2023-12-16 17:40:14,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:14,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:14,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:14,234 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:14,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:40:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:14,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:14,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:14,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:14,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:14,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867301763] [2023-12-16 17:40:14,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867301763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:14,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:14,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:14,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033252748] [2023-12-16 17:40:14,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:14,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:14,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:14,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:14,278 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:14,313 INFO L93 Difference]: Finished difference Result 179 states and 246 transitions. [2023-12-16 17:40:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:14,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-16 17:40:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:14,314 INFO L225 Difference]: With dead ends: 179 [2023-12-16 17:40:14,315 INFO L226 Difference]: Without dead ends: 120 [2023-12-16 17:40:14,315 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 [2023-12-16 17:40:14,316 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:14,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 149 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:14,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-16 17:40:14,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-16 17:40:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 82 states have (on average 1.475609756097561) internal successors, (121), 97 states have internal predecessors, (121), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 13 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-16 17:40:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-12-16 17:40:14,328 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 21 [2023-12-16 17:40:14,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:14,328 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-12-16 17:40:14,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-12-16 17:40:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 17:40:14,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:14,329 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] [2023-12-16 17:40:14,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:14,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:14,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:14,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:14,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1449497159, now seen corresponding path program 1 times [2023-12-16 17:40:14,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:14,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877038271] [2023-12-16 17:40:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:14,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:14,613 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:14,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:40:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:14,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:40:14,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:14,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:14,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:14,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877038271] [2023-12-16 17:40:14,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877038271] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:14,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:14,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:40:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976134077] [2023-12-16 17:40:14,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:14,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:40:14,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:14,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:40:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:40:14,737 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:14,875 INFO L93 Difference]: Finished difference Result 343 states and 478 transitions. [2023-12-16 17:40:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:40:14,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 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 24 [2023-12-16 17:40:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:14,881 INFO L225 Difference]: With dead ends: 343 [2023-12-16 17:40:14,882 INFO L226 Difference]: Without dead ends: 228 [2023-12-16 17:40:14,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:40:14,889 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 57 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:14,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 314 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:40:14,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-16 17:40:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2023-12-16 17:40:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 157 states have (on average 1.4458598726114649) internal successors, (227), 186 states have internal predecessors, (227), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 26 states have call predecessors, (42), 40 states have call successors, (42) [2023-12-16 17:40:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 309 transitions. [2023-12-16 17:40:14,918 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 309 transitions. Word has length 24 [2023-12-16 17:40:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:14,918 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 309 transitions. [2023-12-16 17:40:14,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 309 transitions. [2023-12-16 17:40:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 17:40:14,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:14,920 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] [2023-12-16 17:40:14,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:15,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:15,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:15,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1810356885, now seen corresponding path program 1 times [2023-12-16 17:40:15,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:15,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518579484] [2023-12-16 17:40:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:15,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:15,126 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:15,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:40:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:15,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:40:15,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:15,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:15,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:15,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518579484] [2023-12-16 17:40:15,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518579484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:15,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:15,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:15,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896248143] [2023-12-16 17:40:15,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:15,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:15,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:15,203 INFO L87 Difference]: Start difference. First operand 226 states and 309 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:40:15,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:15,284 INFO L93 Difference]: Finished difference Result 600 states and 832 transitions. [2023-12-16 17:40:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:40:15,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 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 [2023-12-16 17:40:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:15,287 INFO L225 Difference]: With dead ends: 600 [2023-12-16 17:40:15,287 INFO L226 Difference]: Without dead ends: 376 [2023-12-16 17:40:15,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:40:15,288 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 38 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:15,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 188 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:15,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-16 17:40:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2023-12-16 17:40:15,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 261 states have (on average 1.367816091954023) internal successors, (357), 290 states have internal predecessors, (357), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2023-12-16 17:40:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 489 transitions. [2023-12-16 17:40:15,315 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 489 transitions. Word has length 28 [2023-12-16 17:40:15,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:15,315 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 489 transitions. [2023-12-16 17:40:15,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:40:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 489 transitions. [2023-12-16 17:40:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 17:40:15,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:15,317 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] [2023-12-16 17:40:15,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:15,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:15,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:15,520 INFO L85 PathProgramCache]: Analyzing trace with hash 848451801, now seen corresponding path program 1 times [2023-12-16 17:40:15,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846863534] [2023-12-16 17:40:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:15,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:15,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:15,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:40:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:15,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:15,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:15,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:15,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846863534] [2023-12-16 17:40:15,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846863534] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:15,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:15,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:40:15,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361484958] [2023-12-16 17:40:15,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:15,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:15,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:15,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:15,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:15,618 INFO L87 Difference]: Start difference. First operand 370 states and 489 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:15,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:15,670 INFO L93 Difference]: Finished difference Result 746 states and 1004 transitions. [2023-12-16 17:40:15,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:15,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-16 17:40:15,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:15,673 INFO L225 Difference]: With dead ends: 746 [2023-12-16 17:40:15,673 INFO L226 Difference]: Without dead ends: 378 [2023-12-16 17:40:15,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:15,674 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:15,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 210 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-16 17:40:15,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2023-12-16 17:40:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 269 states have (on average 1.3568773234200744) internal successors, (365), 298 states have internal predecessors, (365), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2023-12-16 17:40:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 497 transitions. [2023-12-16 17:40:15,695 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 497 transitions. Word has length 37 [2023-12-16 17:40:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:15,695 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 497 transitions. [2023-12-16 17:40:15,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 497 transitions. [2023-12-16 17:40:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 17:40:15,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:15,697 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] [2023-12-16 17:40:15,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-16 17:40:15,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,899 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:15,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:15,899 INFO L85 PathProgramCache]: Analyzing trace with hash -431411877, now seen corresponding path program 1 times [2023-12-16 17:40:15,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:15,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345336725] [2023-12-16 17:40:15,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:15,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:15,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:15,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 17:40:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:15,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:15,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:15,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:15,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:15,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345336725] [2023-12-16 17:40:15,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345336725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:15,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:15,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:40:15,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078725120] [2023-12-16 17:40:15,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:15,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:15,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:15,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:15,969 INFO L87 Difference]: Start difference. First operand 378 states and 497 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:16,019 INFO L93 Difference]: Finished difference Result 782 states and 1064 transitions. [2023-12-16 17:40:16,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:16,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-16 17:40:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:16,021 INFO L225 Difference]: With dead ends: 782 [2023-12-16 17:40:16,021 INFO L226 Difference]: Without dead ends: 406 [2023-12-16 17:40:16,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:40:16,022 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 6 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:16,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 210 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-12-16 17:40:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 386. [2023-12-16 17:40:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 277 states have (on average 1.3465703971119134) internal successors, (373), 306 states have internal predecessors, (373), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2023-12-16 17:40:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 505 transitions. [2023-12-16 17:40:16,041 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 505 transitions. Word has length 37 [2023-12-16 17:40:16,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:16,041 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 505 transitions. [2023-12-16 17:40:16,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 505 transitions. [2023-12-16 17:40:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 17:40:16,042 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:16,042 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] [2023-12-16 17:40:16,066 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 [2023-12-16 17:40:16,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:16,244 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:16,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:16,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2019759779, now seen corresponding path program 1 times [2023-12-16 17:40:16,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:16,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401154731] [2023-12-16 17:40:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:16,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:16,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:16,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 17:40:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:16,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:16,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:16,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:16,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:16,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401154731] [2023-12-16 17:40:16,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401154731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:16,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:16,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936652746] [2023-12-16 17:40:16,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:16,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:16,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:16,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:16,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:16,320 INFO L87 Difference]: Start difference. First operand 386 states and 505 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:16,368 INFO L93 Difference]: Finished difference Result 936 states and 1230 transitions. [2023-12-16 17:40:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:16,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-12-16 17:40:16,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:16,371 INFO L225 Difference]: With dead ends: 936 [2023-12-16 17:40:16,371 INFO L226 Difference]: Without dead ends: 552 [2023-12-16 17:40:16,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:16,372 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 31 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:16,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 132 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-16 17:40:16,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2023-12-16 17:40:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 399 states have (on average 1.2957393483709274) internal successors, (517), 432 states have internal predecessors, (517), 80 states have call successors, (80), 76 states have call predecessors, (80), 72 states have return successors, (102), 70 states have call predecessors, (102), 80 states have call successors, (102) [2023-12-16 17:40:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 699 transitions. [2023-12-16 17:40:16,402 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 699 transitions. Word has length 37 [2023-12-16 17:40:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:16,402 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 699 transitions. [2023-12-16 17:40:16,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:40:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 699 transitions. [2023-12-16 17:40:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 17:40:16,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:16,404 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] [2023-12-16 17:40:16,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:16,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:16,607 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:16,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:16,607 INFO L85 PathProgramCache]: Analyzing trace with hash -336013577, now seen corresponding path program 1 times [2023-12-16 17:40:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:16,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658551827] [2023-12-16 17:40:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:16,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:16,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:16,609 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:16,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 17:40:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:16,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:16,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:16,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:16,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:16,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658551827] [2023-12-16 17:40:16,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658551827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:16,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:16,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764710187] [2023-12-16 17:40:16,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:16,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:16,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:16,695 INFO L87 Difference]: Start difference. First operand 552 states and 699 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) [2023-12-16 17:40:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:16,776 INFO L93 Difference]: Finished difference Result 832 states and 1075 transitions. [2023-12-16 17:40:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:16,776 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 [2023-12-16 17:40:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:16,779 INFO L225 Difference]: With dead ends: 832 [2023-12-16 17:40:16,779 INFO L226 Difference]: Without dead ends: 830 [2023-12-16 17:40:16,780 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 [2023-12-16 17:40:16,780 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 40 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:16,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 135 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2023-12-16 17:40:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 695. [2023-12-16 17:40:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 501 states have (on average 1.311377245508982) internal successors, (657), 548 states have internal predecessors, (657), 101 states have call successors, (101), 95 states have call predecessors, (101), 92 states have return successors, (139), 85 states have call predecessors, (139), 101 states have call successors, (139) [2023-12-16 17:40:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 897 transitions. [2023-12-16 17:40:16,825 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 897 transitions. Word has length 41 [2023-12-16 17:40:16,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:16,826 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 897 transitions. [2023-12-16 17:40:16,826 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) [2023-12-16 17:40:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 897 transitions. [2023-12-16 17:40:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 17:40:16,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:16,828 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 17:40:16,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:17,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,031 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:17,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1432428688, now seen corresponding path program 1 times [2023-12-16 17:40:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:17,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111757590] [2023-12-16 17:40:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:17,033 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:17,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:40:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:17,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:17,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:17,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:17,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:17,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111757590] [2023-12-16 17:40:17,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111757590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:17,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:17,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236137274] [2023-12-16 17:40:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:17,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:17,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:17,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:17,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:17,161 INFO L87 Difference]: Start difference. First operand 695 states and 897 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-16 17:40:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:17,220 INFO L93 Difference]: Finished difference Result 1503 states and 1958 transitions. [2023-12-16 17:40:17,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:17,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2023-12-16 17:40:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:17,223 INFO L225 Difference]: With dead ends: 1503 [2023-12-16 17:40:17,223 INFO L226 Difference]: Without dead ends: 810 [2023-12-16 17:40:17,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:17,224 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 44 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:17,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 108 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2023-12-16 17:40:17,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 802. [2023-12-16 17:40:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 578 states have (on average 1.3027681660899655) internal successors, (753), 631 states have internal predecessors, (753), 117 states have call successors, (117), 111 states have call predecessors, (117), 106 states have return successors, (165), 99 states have call predecessors, (165), 117 states have call successors, (165) [2023-12-16 17:40:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1035 transitions. [2023-12-16 17:40:17,271 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1035 transitions. Word has length 67 [2023-12-16 17:40:17,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:17,272 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 1035 transitions. [2023-12-16 17:40:17,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-16 17:40:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1035 transitions. [2023-12-16 17:40:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 17:40:17,274 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:17,274 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] [2023-12-16 17:40:17,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:17,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,480 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:17,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1871500854, now seen corresponding path program 1 times [2023-12-16 17:40:17,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:17,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373693058] [2023-12-16 17:40:17,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:17,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:17,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:17,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 17:40:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:17,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:17,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:17,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:17,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:17,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373693058] [2023-12-16 17:40:17,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373693058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:17,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:17,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:17,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097001027] [2023-12-16 17:40:17,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:17,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:17,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:17,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:17,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:17,566 INFO L87 Difference]: Start difference. First operand 802 states and 1035 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) [2023-12-16 17:40:17,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:17,646 INFO L93 Difference]: Finished difference Result 1365 states and 1806 transitions. [2023-12-16 17:40:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:17,646 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 [2023-12-16 17:40:17,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:17,650 INFO L225 Difference]: With dead ends: 1365 [2023-12-16 17:40:17,650 INFO L226 Difference]: Without dead ends: 782 [2023-12-16 17:40:17,651 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 [2023-12-16 17:40:17,651 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 40 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:17,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 149 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2023-12-16 17:40:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2023-12-16 17:40:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 562 states have (on average 1.2633451957295374) internal successors, (710), 612 states have internal predecessors, (710), 115 states have call successors, (115), 109 states have call predecessors, (115), 104 states have return successors, (156), 98 states have call predecessors, (156), 115 states have call successors, (156) [2023-12-16 17:40:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 981 transitions. [2023-12-16 17:40:17,692 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 981 transitions. Word has length 73 [2023-12-16 17:40:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:17,692 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 981 transitions. [2023-12-16 17:40:17,692 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) [2023-12-16 17:40:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 981 transitions. [2023-12-16 17:40:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 17:40:17,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:17,694 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:17,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:17,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,897 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:17,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1913653285, now seen corresponding path program 1 times [2023-12-16 17:40:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:17,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709583161] [2023-12-16 17:40:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:17,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:17,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:17,899 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:17,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 17:40:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:17,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:17,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:40:17,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:17,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:17,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709583161] [2023-12-16 17:40:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709583161] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:17,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:17,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:40:17,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305827420] [2023-12-16 17:40:17,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:17,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:17,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:17,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:17,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:17,959 INFO L87 Difference]: Start difference. First operand 782 states and 981 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 17:40:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:18,016 INFO L93 Difference]: Finished difference Result 1367 states and 1744 transitions. [2023-12-16 17:40:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:18,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 76 [2023-12-16 17:40:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:18,019 INFO L225 Difference]: With dead ends: 1367 [2023-12-16 17:40:18,019 INFO L226 Difference]: Without dead ends: 804 [2023-12-16 17:40:18,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:18,021 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:18,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 204 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-12-16 17:40:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 794. [2023-12-16 17:40:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 574 states have (on average 1.2578397212543555) internal successors, (722), 624 states have internal predecessors, (722), 115 states have call successors, (115), 109 states have call predecessors, (115), 104 states have return successors, (156), 98 states have call predecessors, (156), 115 states have call successors, (156) [2023-12-16 17:40:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 993 transitions. [2023-12-16 17:40:18,056 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 993 transitions. Word has length 76 [2023-12-16 17:40:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:18,057 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 993 transitions. [2023-12-16 17:40:18,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 17:40:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 993 transitions. [2023-12-16 17:40:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 17:40:18,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:18,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:18,063 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 (13)] Ended with exit code 0 [2023-12-16 17:40:18,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:18,261 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:18,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:18,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1490951459, now seen corresponding path program 1 times [2023-12-16 17:40:18,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:18,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084393384] [2023-12-16 17:40:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:18,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:18,276 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:18,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-16 17:40:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:18,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:40:18,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 17:40:18,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:40:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 17:40:18,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:18,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084393384] [2023-12-16 17:40:18,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084393384] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:40:18,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:40:18,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2023-12-16 17:40:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028921079] [2023-12-16 17:40:18,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:40:18,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 17:40:18,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:18,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 17:40:18,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-16 17:40:18,698 INFO L87 Difference]: Start difference. First operand 794 states and 993 transitions. Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2023-12-16 17:40:18,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:18,931 INFO L93 Difference]: Finished difference Result 1571 states and 2014 transitions. [2023-12-16 17:40:18,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 17:40:18,931 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 76 [2023-12-16 17:40:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:18,934 INFO L225 Difference]: With dead ends: 1571 [2023-12-16 17:40:18,934 INFO L226 Difference]: Without dead ends: 996 [2023-12-16 17:40:18,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-12-16 17:40:18,936 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 218 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:18,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 266 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:40:18,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2023-12-16 17:40:18,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2023-12-16 17:40:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 689 states have (on average 1.20899854862119) internal successors, (833), 741 states have internal predecessors, (833), 125 states have call successors, (125), 121 states have call predecessors, (125), 133 states have return successors, (161), 124 states have call predecessors, (161), 125 states have call successors, (161) [2023-12-16 17:40:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1119 transitions. [2023-12-16 17:40:18,988 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1119 transitions. Word has length 76 [2023-12-16 17:40:18,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:18,988 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1119 transitions. [2023-12-16 17:40:18,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2023-12-16 17:40:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1119 transitions. [2023-12-16 17:40:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-16 17:40:18,993 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:18,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:19,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:19,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:19,196 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:19,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2041593231, now seen corresponding path program 1 times [2023-12-16 17:40:19,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:19,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123147797] [2023-12-16 17:40:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:19,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:19,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:19,214 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:19,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-16 17:40:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:19,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:19,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 17:40:19,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:19,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:19,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123147797] [2023-12-16 17:40:19,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123147797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:19,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:19,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:19,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088189023] [2023-12-16 17:40:19,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:19,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:19,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:19,275 INFO L87 Difference]: Start difference. First operand 948 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 17:40:19,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:19,347 INFO L93 Difference]: Finished difference Result 1511 states and 1792 transitions. [2023-12-16 17:40:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:19,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2023-12-16 17:40:19,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:19,348 INFO L225 Difference]: With dead ends: 1511 [2023-12-16 17:40:19,348 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:40:19,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:19,350 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 33 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:19,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 138 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:19,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:40:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:40:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:40:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:40:19,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2023-12-16 17:40:19,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:19,352 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:40:19,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 17:40:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:40:19,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:40:19,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:40:19,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-12-16 17:40:19,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:19,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:40:21,782 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2023-12-16 17:40:21,783 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 236) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv1 32))) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (= ~systemActive~0 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2023-12-16 17:40:21,783 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-12-16 17:40:21,783 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-12-16 17:40:21,783 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 558 569) no Hoare annotation was computed. [2023-12-16 17:40:21,783 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 569) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse2 .cse7 .cse3 .cse5) (or .cse1 .cse2 .cse7 .cse3 .cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (or .cse0 .cse2 .cse7 .cse3 .cse6 .cse5))) [2023-12-16 17:40:21,783 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 570 578) the Hoare annotation is: true [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L381(lines 356 385) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2023-12-16 17:40:21,784 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2023-12-16 17:40:21,784 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2023-12-16 17:40:21,784 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 356 385) the Hoare annotation is: true [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2023-12-16 17:40:21,784 INFO L899 garLoopResultBuilder]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2023-12-16 17:40:21,785 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2023-12-16 17:40:21,785 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2023-12-16 17:40:21,785 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-12-16 17:40:21,785 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) .cse4 .cse5) (or .cse4 .cse6 .cse5 .cse7) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse4 (and .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) .cse6 .cse5) (or .cse4 .cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse7) (or .cse0 .cse4 .cse7))) [2023-12-16 17:40:21,785 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2023-12-16 17:40:21,785 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-12-16 17:40:21,785 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 161) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (and .cse9 .cse10 .cse7)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4 (and .cse6 .cse7)) (or .cse5 .cse8 (and .cse6 .cse9 .cse7) .cse0 .cse3) (or (and .cse10 .cse7) .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse4) (or .cse5 .cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))) (and (= (_ bv1 32) ~pumpRunning~0) .cse6)) (or .cse8 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse9 .cse0 .cse3 .cse4)))) [2023-12-16 17:40:21,785 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-12-16 17:40:21,785 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 534 545) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse9 (not .cse11)) (.cse10 (and .cse11 .cse2 .cse3))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse6 (and .cse8 .cse3)) (or (and .cse2 .cse3) .cse0 .cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse6) (or .cse9 .cse1 .cse0 .cse4 .cse5) (or .cse9 .cse0 .cse4 .cse5 .cse10) (or .cse7 .cse9 .cse0 .cse5 (and (= (_ bv1 32) ~pumpRunning~0) .cse8 .cse1) (and .cse8 .cse11 .cse3)) (or .cse7 .cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse10)))) [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L119(lines 56 123) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2023-12-16 17:40:21,786 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 .cse3) (and .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2023-12-16 17:40:21,787 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2023-12-16 17:40:21,787 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (and .cse9 .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not .cse8)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse7 (and .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse0 .cse3 .cse5 .cse6 .cse7)))) [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 194) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse4))) [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 611 624) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2))) [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2023-12-16 17:40:21,788 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 557) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (not (= (_ bv1 32) ~pumpRunning~0))) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse0 .cse2 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse1 .cse4))) [2023-12-16 17:40:21,788 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 546 557) no Hoare annotation was computed. [2023-12-16 17:40:21,790 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:21,791 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:40:21,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:21 BoogieIcfgContainer [2023-12-16 17:40:21,798 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:40:21,798 INFO L158 Benchmark]: Toolchain (without parser) took 9378.40ms. Allocated memory was 263.2MB in the beginning and 388.0MB in the end (delta: 124.8MB). Free memory was 219.1MB in the beginning and 269.9MB in the end (delta: -50.8MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,798 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:40:21,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.47ms. Allocated memory is still 263.2MB. Free memory was 218.6MB in the beginning and 192.4MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.65ms. Allocated memory is still 263.2MB. Free memory was 192.4MB in the beginning and 189.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,799 INFO L158 Benchmark]: Boogie Preprocessor took 46.64ms. Allocated memory is still 263.2MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,799 INFO L158 Benchmark]: RCFGBuilder took 457.83ms. Allocated memory is still 263.2MB. Free memory was 187.2MB in the beginning and 157.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,799 INFO L158 Benchmark]: TraceAbstraction took 8404.16ms. Allocated memory was 263.2MB in the beginning and 388.0MB in the end (delta: 124.8MB). Free memory was 229.6MB in the beginning and 269.9MB in the end (delta: -40.4MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. [2023-12-16 17:40:21,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.47ms. Allocated memory is still 263.2MB. Free memory was 218.6MB in the beginning and 192.4MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.65ms. Allocated memory is still 263.2MB. Free memory was 192.4MB in the beginning and 189.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.64ms. Allocated memory is still 263.2MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 457.83ms. Allocated memory is still 263.2MB. Free memory was 187.2MB in the beginning and 157.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 8404.16ms. Allocated memory was 263.2MB in the beginning and 388.0MB in the end (delta: 124.8MB). Free memory was 229.6MB in the beginning and 269.9MB in the end (delta: -40.4MB). Peak memory consumption was 188.2MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] * 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: 1005]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 613 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 601 mSDsluCounter, 2411 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1364 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 830 IncrementalHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 1047 mSDtfsCounter, 830 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 702 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=948occurred in iteration=13, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 232 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 1557 PreInvPairs, 1636 NumberOfFragments, 1506 HoareAnnotationTreeSize, 1557 FormulaSimplifications, 364 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FormulaSimplificationsInter, 4738 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 631 NumberOfCodeBlocks, 631 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1673 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 140/151 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: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 2) && (systemActive == 0)) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((waterLevel == 2) && (methAndRunningLastTime == 0)) && (systemActive == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((methAndRunningLastTime == 0) && (systemActive == 1)) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((systemActive == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || ((((1 == pumpRunning) && (waterLevel == 2)) && (systemActive == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:40:21,811 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...