/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:42:36,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:42:37,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:42:37,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:42:37,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:42:37,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:42:37,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:42:37,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:42:37,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:42:37,037 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:42:37,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:42:37,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:42:37,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:42:37,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:42:37,039 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:42:37,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:42:37,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:42:37,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:42:37,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:42:37,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:42:37,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:42:37,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:37,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:42:37,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:42:37,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:42:37,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:42:37,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:42:37,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:42:37,044 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:42:37,045 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:42:37,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:42:37,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:42:37,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:42:37,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:42:37,263 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:42:37,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2023-12-16 17:42:38,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:42:38,485 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:42:38,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2023-12-16 17:42:38,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818add9f0/f0e9301848b5469eaf7f89fee695c0a1/FLAGbfa0faa69 [2023-12-16 17:42:38,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818add9f0/f0e9301848b5469eaf7f89fee695c0a1 [2023-12-16 17:42:38,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:42:38,508 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:42:38,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:38,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:42:38,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:42:38,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163fc71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38, skipping insertion in model container [2023-12-16 17:42:38,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:38,722 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2023-12-16 17:42:38,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:38,741 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:42:38,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:42:38,802 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2023-12-16 17:42:38,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:38,817 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:42:38,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2023-12-16 17:42:38,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] [2023-12-16 17:42:38,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] [2023-12-16 17:42:38,865 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2023-12-16 17:42:38,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:42:38,880 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:42:38,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38 WrapperNode [2023-12-16 17:42:38,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:42:38,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:38,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:42:38,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:42:38,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,925 INFO L138 Inliner]: procedures = 60, calls = 103, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 200 [2023-12-16 17:42:38,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:42:38,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:42:38,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:42:38,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:42:38,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,946 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:42:38,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:42:38,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:42:38,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:42:38,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:42:38,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (1/1) ... [2023-12-16 17:42:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:42:38,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:42:38,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:42:38,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 17:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:42:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:42:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:42:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-16 17:42:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-16 17:42:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:42:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:42:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:42:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:42:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:42:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:42:39,082 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:42:39,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:42:39,286 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:42:39,345 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:42:39,345 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:42:39,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:39 BoogieIcfgContainer [2023-12-16 17:42:39,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:42:39,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:42:39,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:42:39,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:42:39,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:42:38" (1/3) ... [2023-12-16 17:42:39,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae65a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:39, skipping insertion in model container [2023-12-16 17:42:39,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:38" (2/3) ... [2023-12-16 17:42:39,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae65a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:39, skipping insertion in model container [2023-12-16 17:42:39,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:39" (3/3) ... [2023-12-16 17:42:39,353 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2023-12-16 17:42:39,364 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:42:39,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:42:39,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:42:39,408 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@250f375d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:42:39,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:42:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 53 states have (on average 1.528301886792453) internal successors, (81), 62 states have internal predecessors, (81), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 17:42:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 17:42:39,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,430 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,434 INFO L85 PathProgramCache]: Analyzing trace with hash 81616940, now seen corresponding path program 1 times [2023-12-16 17:42:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784268469] [2023-12-16 17:42:39,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:39,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:39,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:42:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:39,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:39,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:39,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:39,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784268469] [2023-12-16 17:42:39,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784268469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:39,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:39,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:39,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881703303] [2023-12-16 17:42:39,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:39,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:42:39,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:39,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:42:39,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:39,577 INFO L87 Difference]: Start difference. First operand has 77 states, 53 states have (on average 1.528301886792453) internal successors, (81), 62 states have internal predecessors, (81), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:39,642 INFO L93 Difference]: Finished difference Result 152 states and 219 transitions. [2023-12-16 17:42:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:42:39,644 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-16 17:42:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:39,652 INFO L225 Difference]: With dead ends: 152 [2023-12-16 17:42:39,652 INFO L226 Difference]: Without dead ends: 72 [2023-12-16 17:42:39,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:42:39,657 INFO L413 NwaCegarLoop]: 88 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, 88 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 17:42:39,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-16 17:42:39,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-16 17:42:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.42) internal successors, (71), 58 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:42:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 98 transitions. [2023-12-16 17:42:39,685 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 98 transitions. Word has length 22 [2023-12-16 17:42:39,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,685 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 98 transitions. [2023-12-16 17:42:39,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-12-16 17:42:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 17:42:39,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,687 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:39,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:42:39,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:39,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash 464519658, now seen corresponding path program 1 times [2023-12-16 17:42:39,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:39,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472554375] [2023-12-16 17:42:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:39,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:39,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:39,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:39,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:42:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:39,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:39,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:42:39,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:39,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:39,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472554375] [2023-12-16 17:42:39,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472554375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:39,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:39,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:39,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546535780] [2023-12-16 17:42:39,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:39,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:39,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:39,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:39,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:39,954 INFO L87 Difference]: Start difference. First operand 72 states and 98 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:39,985 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2023-12-16 17:42:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:39,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-16 17:42:39,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:39,986 INFO L225 Difference]: With dead ends: 114 [2023-12-16 17:42:39,986 INFO L226 Difference]: Without dead ends: 64 [2023-12-16 17:42:39,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:39,988 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:39,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 131 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-16 17:42:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-16 17:42:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 53 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 17:42:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 87 transitions. [2023-12-16 17:42:39,993 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 87 transitions. Word has length 23 [2023-12-16 17:42:39,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:39,994 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 87 transitions. [2023-12-16 17:42:39,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-12-16 17:42:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 17:42:39,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:39,995 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:40,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:40,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,212 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:40,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:40,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1412987531, now seen corresponding path program 1 times [2023-12-16 17:42:40,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:40,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740426881] [2023-12-16 17:42:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:40,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:40,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:40,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:42:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:40,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:40,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:40,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:40,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:40,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740426881] [2023-12-16 17:42:40,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740426881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:40,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:40,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:40,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380350057] [2023-12-16 17:42:40,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:40,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:40,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:40,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:40,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:40,290 INFO L87 Difference]: Start difference. First operand 64 states and 87 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:40,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:40,344 INFO L93 Difference]: Finished difference Result 188 states and 258 transitions. [2023-12-16 17:42:40,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:40,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-16 17:42:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:40,349 INFO L225 Difference]: With dead ends: 188 [2023-12-16 17:42:40,349 INFO L226 Difference]: Without dead ends: 126 [2023-12-16 17:42:40,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:40,354 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 69 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:40,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 157 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:40,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-12-16 17:42:40,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2023-12-16 17:42:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 101 states have internal predecessors, (125), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-16 17:42:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 169 transitions. [2023-12-16 17:42:40,373 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 169 transitions. Word has length 26 [2023-12-16 17:42:40,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:40,373 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 169 transitions. [2023-12-16 17:42:40,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 17:42:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2023-12-16 17:42:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-16 17:42:40,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:40,374 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:40,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:40,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,585 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:40,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash 411865522, now seen corresponding path program 1 times [2023-12-16 17:42:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228051765] [2023-12-16 17:42:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:40,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:40,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:40,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:40,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:42:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:40,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:42:40,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 17:42:40,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:40,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:40,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228051765] [2023-12-16 17:42:40,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228051765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:40,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:40,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:42:40,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712158804] [2023-12-16 17:42:40,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:40,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:42:40,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:40,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:42:40,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:42:40,702 INFO L87 Difference]: Start difference. First operand 123 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:40,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:40,830 INFO L93 Difference]: Finished difference Result 328 states and 457 transitions. [2023-12-16 17:42:40,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:42:40,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-16 17:42:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:40,835 INFO L225 Difference]: With dead ends: 328 [2023-12-16 17:42:40,835 INFO L226 Difference]: Without dead ends: 207 [2023-12-16 17:42:40,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:42:40,840 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 41 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:40,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 331 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:42:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-12-16 17:42:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 202. [2023-12-16 17:42:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 143 states have (on average 1.3776223776223777) internal successors, (197), 158 states have internal predecessors, (197), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-12-16 17:42:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 269 transitions. [2023-12-16 17:42:40,867 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 269 transitions. Word has length 29 [2023-12-16 17:42:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:40,867 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 269 transitions. [2023-12-16 17:42:40,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 17:42:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 269 transitions. [2023-12-16 17:42:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 17:42:40,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:40,868 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:40,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 17:42:41,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:41,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1169056170, now seen corresponding path program 1 times [2023-12-16 17:42:41,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:41,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885199945] [2023-12-16 17:42:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:41,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:41,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:41,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:42:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:41,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:41,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885199945] [2023-12-16 17:42:41,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885199945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:41,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:41,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:41,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413920196] [2023-12-16 17:42:41,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:41,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:41,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:41,152 INFO L87 Difference]: Start difference. First operand 202 states and 269 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:41,195 INFO L93 Difference]: Finished difference Result 406 states and 550 transitions. [2023-12-16 17:42:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:41,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 38 [2023-12-16 17:42:41,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:41,198 INFO L225 Difference]: With dead ends: 406 [2023-12-16 17:42:41,199 INFO L226 Difference]: Without dead ends: 206 [2023-12-16 17:42:41,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:41,200 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 2 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 222 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 17:42:41,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 222 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-16 17:42:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2023-12-16 17:42:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 147 states have (on average 1.3673469387755102) internal successors, (201), 162 states have internal predecessors, (201), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-12-16 17:42:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 273 transitions. [2023-12-16 17:42:41,224 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 273 transitions. Word has length 38 [2023-12-16 17:42:41,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:41,224 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 273 transitions. [2023-12-16 17:42:41,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 273 transitions. [2023-12-16 17:42:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 17:42:41,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:41,226 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:41,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:41,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,429 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:41,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:41,429 INFO L85 PathProgramCache]: Analyzing trace with hash -110807508, now seen corresponding path program 1 times [2023-12-16 17:42:41,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:41,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200409830] [2023-12-16 17:42:41,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:41,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:41,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:41,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:42:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:41,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:41,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200409830] [2023-12-16 17:42:41,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200409830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:41,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:41,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:41,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798930869] [2023-12-16 17:42:41,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:41,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:41,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:41,513 INFO L87 Difference]: Start difference. First operand 206 states and 273 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:41,577 INFO L93 Difference]: Finished difference Result 424 states and 580 transitions. [2023-12-16 17:42:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:41,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 38 [2023-12-16 17:42:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:41,580 INFO L225 Difference]: With dead ends: 424 [2023-12-16 17:42:41,580 INFO L226 Difference]: Without dead ends: 220 [2023-12-16 17:42:41,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:42:41,582 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 6 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 222 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 17:42:41,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 222 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-12-16 17:42:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 210. [2023-12-16 17:42:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 166 states have internal predecessors, (205), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-12-16 17:42:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 277 transitions. [2023-12-16 17:42:41,600 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 277 transitions. Word has length 38 [2023-12-16 17:42:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:41,601 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 277 transitions. [2023-12-16 17:42:41,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 277 transitions. [2023-12-16 17:42:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 17:42:41,602 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:41,602 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:41,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:41,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,809 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:41,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1699155410, now seen corresponding path program 1 times [2023-12-16 17:42:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163411862] [2023-12-16 17:42:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:41,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:41,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:41,811 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:41,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-16 17:42:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:41,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:41,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:41,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:41,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:41,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163411862] [2023-12-16 17:42:41,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163411862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:41,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:41,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:42:41,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420330682] [2023-12-16 17:42:41,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:41,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:41,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:41,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:41,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:41,911 INFO L87 Difference]: Start difference. First operand 210 states and 277 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:41,982 INFO L93 Difference]: Finished difference Result 508 states and 673 transitions. [2023-12-16 17:42:41,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:41,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 38 [2023-12-16 17:42:41,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:41,984 INFO L225 Difference]: With dead ends: 508 [2023-12-16 17:42:41,984 INFO L226 Difference]: Without dead ends: 300 [2023-12-16 17:42:41,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:41,985 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 34 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 143 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 17:42:41,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 143 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-12-16 17:42:42,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2023-12-16 17:42:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 217 states have (on average 1.3087557603686637) internal successors, (284), 234 states have internal predecessors, (284), 46 states have call successors, (46), 38 states have call predecessors, (46), 36 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2023-12-16 17:42:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 384 transitions. [2023-12-16 17:42:42,004 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 384 transitions. Word has length 38 [2023-12-16 17:42:42,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:42,004 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 384 transitions. [2023-12-16 17:42:42,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 17:42:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 384 transitions. [2023-12-16 17:42:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-16 17:42:42,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:42,009 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:42,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:42,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:42,214 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:42,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash -773742700, now seen corresponding path program 1 times [2023-12-16 17:42:42,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:42,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296313152] [2023-12-16 17:42:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:42,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:42,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:42,215 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:42,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-16 17:42:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:42,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:42:42,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:42,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:42,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296313152] [2023-12-16 17:42:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296313152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:42,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:42,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:42:42,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074037478] [2023-12-16 17:42:42,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:42,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:42:42,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:42,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:42:42,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:42:42,317 INFO L87 Difference]: Start difference. First operand 300 states and 384 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:42:42,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:42,663 INFO L93 Difference]: Finished difference Result 966 states and 1297 transitions. [2023-12-16 17:42:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 17:42:42,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2023-12-16 17:42:42,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:42,668 INFO L225 Difference]: With dead ends: 966 [2023-12-16 17:42:42,668 INFO L226 Difference]: Without dead ends: 758 [2023-12-16 17:42:42,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-16 17:42:42,670 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 208 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:42,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 371 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:42:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2023-12-16 17:42:42,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 722. [2023-12-16 17:42:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 519 states have (on average 1.2967244701348748) internal successors, (673), 565 states have internal predecessors, (673), 111 states have call successors, (111), 83 states have call predecessors, (111), 91 states have return successors, (143), 101 states have call predecessors, (143), 111 states have call successors, (143) [2023-12-16 17:42:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 927 transitions. [2023-12-16 17:42:42,710 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 927 transitions. Word has length 42 [2023-12-16 17:42:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:42,711 INFO L495 AbstractCegarLoop]: Abstraction has 722 states and 927 transitions. [2023-12-16 17:42:42,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-16 17:42:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 927 transitions. [2023-12-16 17:42:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 17:42:42,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:42,712 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:42,717 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 17:42:42,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:42,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:42,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1290092586, now seen corresponding path program 1 times [2023-12-16 17:42:42,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:42,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451819661] [2023-12-16 17:42:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:42,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:42,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:42,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:42,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-16 17:42:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:42,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:42:42,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:42:43,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:43,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:43,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451819661] [2023-12-16 17:42:43,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451819661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:43,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:43,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:42:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812369847] [2023-12-16 17:42:43,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:43,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:42:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:42:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:43,018 INFO L87 Difference]: Start difference. First operand 722 states and 927 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 17:42:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:43,071 INFO L93 Difference]: Finished difference Result 1214 states and 1573 transitions. [2023-12-16 17:42:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:42:43,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 66 [2023-12-16 17:42:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:43,076 INFO L225 Difference]: With dead ends: 1214 [2023-12-16 17:42:43,076 INFO L226 Difference]: Without dead ends: 847 [2023-12-16 17:42:43,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:42:43,078 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 51 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:43,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 112 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2023-12-16 17:42:43,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 839. [2023-12-16 17:42:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 603 states have (on average 1.2902155887230513) internal successors, (778), 656 states have internal predecessors, (778), 129 states have call successors, (129), 98 states have call predecessors, (129), 106 states have return successors, (167), 118 states have call predecessors, (167), 129 states have call successors, (167) [2023-12-16 17:42:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1074 transitions. [2023-12-16 17:42:43,129 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1074 transitions. Word has length 66 [2023-12-16 17:42:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:43,129 INFO L495 AbstractCegarLoop]: Abstraction has 839 states and 1074 transitions. [2023-12-16 17:42:43,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 17:42:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1074 transitions. [2023-12-16 17:42:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 17:42:43,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:43,131 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:43,136 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 17:42:43,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:43,334 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:43,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1417958015, now seen corresponding path program 1 times [2023-12-16 17:42:43,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:43,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690640637] [2023-12-16 17:42:43,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:43,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:43,336 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:43,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:42:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:43,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 17:42:43,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 17:42:43,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:42:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 17:42:43,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:43,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690640637] [2023-12-16 17:42:43,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690640637] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:42:43,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:42:43,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2023-12-16 17:42:43,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80046969] [2023-12-16 17:42:43,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:42:43,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 17:42:43,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 17:42:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-16 17:42:43,675 INFO L87 Difference]: Start difference. First operand 839 states and 1074 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 17:42:44,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:44,297 INFO L93 Difference]: Finished difference Result 2328 states and 3134 transitions. [2023-12-16 17:42:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 17:42:44,298 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 17:42:44,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:44,303 INFO L225 Difference]: With dead ends: 2328 [2023-12-16 17:42:44,303 INFO L226 Difference]: Without dead ends: 1604 [2023-12-16 17:42:44,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2023-12-16 17:42:44,306 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 505 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:44,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 629 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 17:42:44,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2023-12-16 17:42:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1566. [2023-12-16 17:42:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1124 states have (on average 1.3016014234875444) internal successors, (1463), 1218 states have internal predecessors, (1463), 242 states have call successors, (242), 178 states have call predecessors, (242), 199 states have return successors, (405), 231 states have call predecessors, (405), 242 states have call successors, (405) [2023-12-16 17:42:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2110 transitions. [2023-12-16 17:42:44,421 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2110 transitions. Word has length 76 [2023-12-16 17:42:44,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:44,421 INFO L495 AbstractCegarLoop]: Abstraction has 1566 states and 2110 transitions. [2023-12-16 17:42:44,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 17:42:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2110 transitions. [2023-12-16 17:42:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 17:42:44,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:42:44,423 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:44,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:44,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:44,627 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:42:44,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:42:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1840659841, now seen corresponding path program 1 times [2023-12-16 17:42:44,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:42:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789642939] [2023-12-16 17:42:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:42:44,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:44,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:42:44,628 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:42:44,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-16 17:42:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:42:44,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:42:44,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:42:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-16 17:42:44,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:42:44,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:42:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789642939] [2023-12-16 17:42:44,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789642939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:42:44,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:42:44,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:42:44,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287118476] [2023-12-16 17:42:44,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:42:44,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:42:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:42:44,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:42:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:42:44,690 INFO L87 Difference]: Start difference. First operand 1566 states and 2110 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-16 17:42:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:42:44,747 INFO L93 Difference]: Finished difference Result 1915 states and 2535 transitions. [2023-12-16 17:42:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:42:44,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2023-12-16 17:42:44,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:42:44,748 INFO L225 Difference]: With dead ends: 1915 [2023-12-16 17:42:44,749 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:42:44,752 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 17:42:44,752 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:42:44,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 181 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:42:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:42:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:42:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:42:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:42:44,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2023-12-16 17:42:44,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:42:44,753 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:42:44,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-16 17:42:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:42:44,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:42:44,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:42:44,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 17:42:44,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:42:44,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:42:45,693 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2023-12-16 17:42:45,693 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 160 167) the Hoare annotation is: true [2023-12-16 17:42:45,693 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2023-12-16 17:42:45,693 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2023-12-16 17:42:45,693 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2023-12-16 17:42:45,693 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 877 888) the Hoare annotation is: true [2023-12-16 17:42:45,693 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2023-12-16 17:42:45,693 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 279 308) no Hoare annotation was computed. [2023-12-16 17:42:45,693 INFO L902 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: true [2023-12-16 17:42:45,693 INFO L902 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: true [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L304(lines 279 308) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 279 308) the Hoare annotation is: true [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L902 garLoopResultBuilder]: At program point L293-1(lines 293 297) the Hoare annotation is: true [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L857-2(lines 853 864) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L895 garLoopResultBuilder]: At program point L977(line 977) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv2 32)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or (and (= ~waterLevel~0 (_ bv1 32)) .cse3) .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2023-12-16 17:42:45,694 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L990-1(lines 982 1010) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (= ~systemActive~0 (_ bv0 32))) (or .cse1 .cse0))) [2023-12-16 17:42:45,695 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 92) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv2 32)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or (and (= ~waterLevel~0 (_ bv1 32)) .cse3) .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2023-12-16 17:42:45,695 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse0) (or .cse1 (= ~systemActive~0 (_ bv0 32)) (and (= |timeShift_processEnvironment_~tmp~1#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-16 17:42:45,695 INFO L895 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1) (or .cse2 .cse0 (= ~systemActive~0 (_ bv0 32))))) [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L992-1(line 992) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse6 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv2 32) |old(~waterLevel~0)|))) (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not .cse7)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (and (= ~waterLevel~0 (_ bv2 32)) .cse7 .cse6 .cse2))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse1 .cse6 .cse2)) (or .cse0 .cse5 .cse4))))) [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2023-12-16 17:42:45,695 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L437(lines 392 439) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 368 375) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L443(lines 382 447) no Hoare annotation was computed. [2023-12-16 17:42:45,696 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 125) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 930 943) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2023-12-16 17:42:45,697 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 876) the Hoare annotation is: (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))) (or .cse1 .cse2 .cse0))) [2023-12-16 17:42:45,698 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2023-12-16 17:42:45,698 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-12-16 17:42:45,700 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:42:45,701 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:42:45,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:42:45 BoogieIcfgContainer [2023-12-16 17:42:45,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:42:45,708 INFO L158 Benchmark]: Toolchain (without parser) took 7199.69ms. Allocated memory was 348.1MB in the beginning and 418.4MB in the end (delta: 70.3MB). Free memory was 294.1MB in the beginning and 204.0MB in the end (delta: 90.1MB). Peak memory consumption was 161.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,708 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 232.8MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:42:45,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.29ms. Allocated memory is still 348.1MB. Free memory was 293.8MB in the beginning and 267.5MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.76ms. Allocated memory is still 348.1MB. Free memory was 267.5MB in the beginning and 265.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,708 INFO L158 Benchmark]: Boogie Preprocessor took 31.21ms. Allocated memory is still 348.1MB. Free memory was 265.2MB in the beginning and 262.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,709 INFO L158 Benchmark]: RCFGBuilder took 380.18ms. Allocated memory is still 348.1MB. Free memory was 262.6MB in the beginning and 293.0MB in the end (delta: -30.4MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,709 INFO L158 Benchmark]: TraceAbstraction took 6360.50ms. Allocated memory was 348.1MB in the beginning and 418.4MB in the end (delta: 70.3MB). Free memory was 292.0MB in the beginning and 204.0MB in the end (delta: 87.9MB). Peak memory consumption was 158.7MB. Max. memory is 8.0GB. [2023-12-16 17:42:45,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 232.8MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 371.29ms. Allocated memory is still 348.1MB. Free memory was 293.8MB in the beginning and 267.5MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.76ms. Allocated memory is still 348.1MB. Free memory was 267.5MB in the beginning and 265.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.21ms. Allocated memory is still 348.1MB. Free memory was 265.2MB in the beginning and 262.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 380.18ms. Allocated memory is still 348.1MB. Free memory was 262.6MB in the beginning and 293.0MB in the end (delta: -30.4MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * TraceAbstraction took 6360.50ms. Allocated memory was 348.1MB in the beginning and 418.4MB in the end (delta: 70.3MB). Free memory was 292.0MB in the beginning and 204.0MB in the end (delta: 87.9MB). Peak memory consumption was 158.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 277]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 953]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] - GenericResultAtLocation [Line: 962]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] * 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: 958]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 978 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 931 mSDsluCounter, 2587 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1701 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1488 IncrementalHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 886 mSDtfsCounter, 1488 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 566 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1566occurred in iteration=10, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 100 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 1275 PreInvPairs, 1341 NumberOfFragments, 542 HoareAnnotationTreeSize, 1275 FormulaSimplifications, 237 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FormulaSimplificationsInter, 1857 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1132 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1256 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 104/118 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: 392]: Loop Invariant Derived loop invariant: (((((waterLevel == 2) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((waterLevel == 2) && !((systemActive == 0))) && (splverifierCounter == 0))) || (((waterLevel == 1) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:42:45,722 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...