/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:02:59,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:02:59,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:02:59,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:02:59,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:02:59,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:02:59,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:02:59,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:02:59,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:02:59,927 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:02:59,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:02:59,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:02:59,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:02:59,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:02:59,928 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:02:59,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:02:59,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:02:59,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:02:59,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:02:59,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:02:59,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:02:59,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:02:59,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:02:59,931 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:02:59,931 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:02:59,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:02:59,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:02:59,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:02:59,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:02:59,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:02:59,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:02:59,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:02:59,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:02:59,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:02:59,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:59,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:02:59,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:02:59,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:02:59,933 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:02:59,934 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:02:59,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:03:00,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:03:00,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:03:00,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:03:00,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:03:00,082 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:03:00,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2023-12-25 06:03:01,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:03:01,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:03:01,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2023-12-25 06:03:01,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f570d8c2/de707a429fc3491ca2e6c4724802fdf3/FLAG319fdf997 [2023-12-25 06:03:01,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f570d8c2/de707a429fc3491ca2e6c4724802fdf3 [2023-12-25 06:03:01,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:03:01,509 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:03:01,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:01,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:03:01,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:03:01,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:01,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb7338b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01, skipping insertion in model container [2023-12-25 06:03:01,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:01,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:01,757 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2023-12-25 06:03:01,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:01,842 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:03:01,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:01,880 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2023-12-25 06:03:01,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:01,925 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:03:01,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-25 06:03:01,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [368] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [472] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [481] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [580] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] [2023-12-25 06:03:01,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [649] [2023-12-25 06:03:01,940 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2023-12-25 06:03:01,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:01,980 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:03:01,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01 WrapperNode [2023-12-25 06:03:01,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:01,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:01,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:03:01,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:03:01,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,033 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 213 [2023-12-25 06:03:02,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:02,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:03:02,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:03:02,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:03:02,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,075 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:03:02,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:03:02,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:03:02,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:03:02,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:03:02,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (1/1) ... [2023-12-25 06:03:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:03:02,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:03:02,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:03:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:03:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:03:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:03:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:03:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:03:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:03:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:03:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:03:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:03:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:03:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:03:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:03:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:03:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:03:02,240 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:03:02,242 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:03:02,481 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:03:02,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:03:02,574 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:03:02,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:02 BoogieIcfgContainer [2023-12-25 06:03:02,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:03:02,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:03:02,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:03:02,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:03:02,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:01" (1/3) ... [2023-12-25 06:03:02,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18722e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:02, skipping insertion in model container [2023-12-25 06:03:02,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:01" (2/3) ... [2023-12-25 06:03:02,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18722e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:02, skipping insertion in model container [2023-12-25 06:03:02,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:02" (3/3) ... [2023-12-25 06:03:02,580 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2023-12-25 06:03:02,616 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:03:02,616 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:03:02,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:03:02,661 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;@9ecf3ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:03:02,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:03:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:03:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:03:02,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:02,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:02,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:02,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1735961070, now seen corresponding path program 1 times [2023-12-25 06:03:02,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:02,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592583814] [2023-12-25 06:03:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:02,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:02,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:02,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:03:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:02,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:03:02,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:02,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:02,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:02,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592583814] [2023-12-25 06:03:02,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592583814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:02,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:02,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:02,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156248623] [2023-12-25 06:03:02,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:02,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:03:02,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:02,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:03:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:02,813 INFO L87 Difference]: Start difference. First operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:02,852 INFO L93 Difference]: Finished difference Result 176 states and 251 transitions. [2023-12-25 06:03:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:03:02,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:03:02,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:02,860 INFO L225 Difference]: With dead ends: 176 [2023-12-25 06:03:02,860 INFO L226 Difference]: Without dead ends: 84 [2023-12-25 06:03:02,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:02,865 INFO L413 NwaCegarLoop]: 104 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, 104 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 [2023-12-25 06:03:02,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-25 06:03:02,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-25 06:03:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 65 states have internal predecessors, (79), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 06:03:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2023-12-25 06:03:02,894 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 17 [2023-12-25 06:03:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2023-12-25 06:03:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2023-12-25 06:03:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:03:02,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:02,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:02,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-25 06:03:03,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:03,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 260613743, now seen corresponding path program 1 times [2023-12-25 06:03:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:03,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170587291] [2023-12-25 06:03:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:03,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:03,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:03:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170587291] [2023-12-25 06:03:03,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170587291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:03,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917479397] [2023-12-25 06:03:03,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:03,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:03,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,159 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:03,187 INFO L93 Difference]: Finished difference Result 141 states and 191 transitions. [2023-12-25 06:03:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-25 06:03:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:03,188 INFO L225 Difference]: With dead ends: 141 [2023-12-25 06:03:03,188 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:03:03,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,190 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 11 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:03,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 166 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:03:03,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:03:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 60 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:03:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2023-12-25 06:03:03,197 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 18 [2023-12-25 06:03:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:03,197 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2023-12-25 06:03:03,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-12-25 06:03:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:03:03,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:03,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:03,202 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 (3)] Ended with exit code 0 [2023-12-25 06:03:03,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:03,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:03,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1473546257, now seen corresponding path program 1 times [2023-12-25 06:03:03,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:03,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185582505] [2023-12-25 06:03:03,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:03,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:03,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:03,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:03:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185582505] [2023-12-25 06:03:03,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185582505] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:03,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96587938] [2023-12-25 06:03:03,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:03,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:03,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,477 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:03,501 INFO L93 Difference]: Finished difference Result 150 states and 205 transitions. [2023-12-25 06:03:03,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:03,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-25 06:03:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:03,502 INFO L225 Difference]: With dead ends: 150 [2023-12-25 06:03:03,502 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:03:03,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:03,504 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:03,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 88 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:03:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:03:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 60 states have internal predecessors, (72), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:03:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2023-12-25 06:03:03,512 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 21 [2023-12-25 06:03:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:03,513 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2023-12-25 06:03:03,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-12-25 06:03:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-25 06:03:03,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:03,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:03,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:03,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:03,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:03,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1105962929, now seen corresponding path program 1 times [2023-12-25 06:03:03,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:03,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490705013] [2023-12-25 06:03:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:03,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:03,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:03,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:03:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:03,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:03,941 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:03,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:03,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490705013] [2023-12-25 06:03:03,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490705013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:03,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:03,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:03:03,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844553748] [2023-12-25 06:03:03,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:03,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 06:03:03,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:03,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 06:03:03,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:03,944 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:03:04,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:04,158 INFO L93 Difference]: Finished difference Result 228 states and 302 transitions. [2023-12-25 06:03:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:03:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 34 [2023-12-25 06:03:04,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:04,160 INFO L225 Difference]: With dead ends: 228 [2023-12-25 06:03:04,160 INFO L226 Difference]: Without dead ends: 154 [2023-12-25 06:03:04,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:04,161 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 179 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:04,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 221 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:03:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-25 06:03:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2023-12-25 06:03:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 102 states have (on average 1.3235294117647058) internal successors, (135), 111 states have internal predecessors, (135), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2023-12-25 06:03:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2023-12-25 06:03:04,175 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 186 transitions. Word has length 34 [2023-12-25 06:03:04,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:04,176 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 186 transitions. [2023-12-25 06:03:04,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:03:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2023-12-25 06:03:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-25 06:03:04,176 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:04,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:04,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:04,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:04,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1638769303, now seen corresponding path program 1 times [2023-12-25 06:03:04,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:04,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033810210] [2023-12-25 06:03:04,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:04,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:04,381 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:04,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:03:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:04,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:04,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:04,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:04,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:04,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033810210] [2023-12-25 06:03:04,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033810210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:04,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:04,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:04,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280799960] [2023-12-25 06:03:04,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:04,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:04,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:04,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:04,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:04,510 INFO L87 Difference]: Start difference. First operand 148 states and 186 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:04,572 INFO L93 Difference]: Finished difference Result 382 states and 499 transitions. [2023-12-25 06:03:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:04,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-12-25 06:03:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:04,579 INFO L225 Difference]: With dead ends: 382 [2023-12-25 06:03:04,579 INFO L226 Difference]: Without dead ends: 236 [2023-12-25 06:03:04,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:04,580 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 30 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:04,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 253 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:04,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-12-25 06:03:04,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2023-12-25 06:03:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 175 states have internal predecessors, (212), 35 states have call successors, (35), 30 states have call predecessors, (35), 35 states have return successors, (48), 37 states have call predecessors, (48), 35 states have call successors, (48) [2023-12-25 06:03:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 295 transitions. [2023-12-25 06:03:04,601 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 295 transitions. Word has length 41 [2023-12-25 06:03:04,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:04,601 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 295 transitions. [2023-12-25 06:03:04,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:03:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 295 transitions. [2023-12-25 06:03:04,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:04,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:04,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:04,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:04,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:04,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:04,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2134046461, now seen corresponding path program 1 times [2023-12-25 06:03:04,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:04,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570709252] [2023-12-25 06:03:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:04,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:04,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 06:03:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:04,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 06:03:04,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:04,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:04,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:04,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570709252] [2023-12-25 06:03:04,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570709252] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:04,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:04,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:03:04,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101007054] [2023-12-25 06:03:04,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:04,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:04,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:04,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:04,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:04,911 INFO L87 Difference]: Start difference. First operand 234 states and 295 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:03:05,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:05,310 INFO L93 Difference]: Finished difference Result 654 states and 854 transitions. [2023-12-25 06:03:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:03:05,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 45 [2023-12-25 06:03:05,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:05,313 INFO L225 Difference]: With dead ends: 654 [2023-12-25 06:03:05,313 INFO L226 Difference]: Without dead ends: 508 [2023-12-25 06:03:05,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 06:03:05,314 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 261 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:05,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 296 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 06:03:05,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-12-25 06:03:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 491. [2023-12-25 06:03:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 343 states have (on average 1.3061224489795917) internal successors, (448), 370 states have internal predecessors, (448), 73 states have call successors, (73), 58 states have call predecessors, (73), 74 states have return successors, (102), 79 states have call predecessors, (102), 73 states have call successors, (102) [2023-12-25 06:03:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 623 transitions. [2023-12-25 06:03:05,354 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 623 transitions. Word has length 45 [2023-12-25 06:03:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:05,354 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 623 transitions. [2023-12-25 06:03:05,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-25 06:03:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 623 transitions. [2023-12-25 06:03:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:05,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:05,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:05,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:05,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,558 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:05,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:05,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1915191743, now seen corresponding path program 1 times [2023-12-25 06:03:05,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:05,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096038781] [2023-12-25 06:03:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:05,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:05,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:05,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 06:03:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:05,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:05,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:05,657 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:05,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:05,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096038781] [2023-12-25 06:03:05,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096038781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:05,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:05,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:05,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206813943] [2023-12-25 06:03:05,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:05,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:05,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:05,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:05,659 INFO L87 Difference]: Start difference. First operand 491 states and 623 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:05,754 INFO L93 Difference]: Finished difference Result 916 states and 1180 transitions. [2023-12-25 06:03:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:03:05,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2023-12-25 06:03:05,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:05,757 INFO L225 Difference]: With dead ends: 916 [2023-12-25 06:03:05,758 INFO L226 Difference]: Without dead ends: 508 [2023-12-25 06:03:05,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:05,760 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 10 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:05,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 284 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-12-25 06:03:05,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 493. [2023-12-25 06:03:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 345 states have (on average 1.3014492753623188) internal successors, (449), 372 states have internal predecessors, (449), 73 states have call successors, (73), 58 states have call predecessors, (73), 74 states have return successors, (102), 79 states have call predecessors, (102), 73 states have call successors, (102) [2023-12-25 06:03:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 624 transitions. [2023-12-25 06:03:05,874 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 624 transitions. Word has length 45 [2023-12-25 06:03:05,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:05,877 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 624 transitions. [2023-12-25 06:03:05,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 624 transitions. [2023-12-25 06:03:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:03:05,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:05,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:05,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:06,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,090 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:06,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:06,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1562127103, now seen corresponding path program 1 times [2023-12-25 06:03:06,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:06,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923381352] [2023-12-25 06:03:06,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:06,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:06,097 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:06,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 06:03:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:06,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:06,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:06,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:06,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:06,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923381352] [2023-12-25 06:03:06,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923381352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:06,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:06,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:06,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760032072] [2023-12-25 06:03:06,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:06,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:06,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:06,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:06,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:06,152 INFO L87 Difference]: Start difference. First operand 493 states and 624 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:06,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:06,211 INFO L93 Difference]: Finished difference Result 1014 states and 1301 transitions. [2023-12-25 06:03:06,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:06,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2023-12-25 06:03:06,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:06,213 INFO L225 Difference]: With dead ends: 1014 [2023-12-25 06:03:06,214 INFO L226 Difference]: Without dead ends: 523 [2023-12-25 06:03:06,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:06,215 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 6 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:06,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 277 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:06,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-12-25 06:03:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 496. [2023-12-25 06:03:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 350 states have (on average 1.2942857142857143) internal successors, (453), 376 states have internal predecessors, (453), 72 states have call successors, (72), 57 states have call predecessors, (72), 73 states have return successors, (101), 78 states have call predecessors, (101), 72 states have call successors, (101) [2023-12-25 06:03:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 626 transitions. [2023-12-25 06:03:06,245 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 626 transitions. Word has length 45 [2023-12-25 06:03:06,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:06,245 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 626 transitions. [2023-12-25 06:03:06,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:03:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 626 transitions. [2023-12-25 06:03:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:03:06,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:06,246 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:06,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-25 06:03:06,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:06,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:06,472 INFO L85 PathProgramCache]: Analyzing trace with hash 460109926, now seen corresponding path program 1 times [2023-12-25 06:03:06,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:06,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251690951] [2023-12-25 06:03:06,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:06,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:06,473 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:06,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 06:03:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:06,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:06,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:06,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:06,537 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:06,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251690951] [2023-12-25 06:03:06,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251690951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:06,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:06,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:06,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766413853] [2023-12-25 06:03:06,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:06,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:06,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:06,538 INFO L87 Difference]: Start difference. First operand 496 states and 626 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:06,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:06,651 INFO L93 Difference]: Finished difference Result 996 states and 1256 transitions. [2023-12-25 06:03:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:06,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:03:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:06,654 INFO L225 Difference]: With dead ends: 996 [2023-12-25 06:03:06,654 INFO L226 Difference]: Without dead ends: 502 [2023-12-25 06:03:06,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:06,657 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 63 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:06,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 304 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-12-25 06:03:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 482. [2023-12-25 06:03:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 339 states have (on average 1.2595870206489677) internal successors, (427), 365 states have internal predecessors, (427), 70 states have call successors, (70), 55 states have call predecessors, (70), 72 states have return successors, (90), 76 states have call predecessors, (90), 70 states have call successors, (90) [2023-12-25 06:03:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 587 transitions. [2023-12-25 06:03:06,730 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 587 transitions. Word has length 52 [2023-12-25 06:03:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:06,731 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 587 transitions. [2023-12-25 06:03:06,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 587 transitions. [2023-12-25 06:03:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:03:06,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:06,732 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:06,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:06,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,934 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:06,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:06,934 INFO L85 PathProgramCache]: Analyzing trace with hash -115226343, now seen corresponding path program 1 times [2023-12-25 06:03:06,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:06,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102990550] [2023-12-25 06:03:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:06,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:06,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:06,936 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:06,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 06:03:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:06,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:06,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:07,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:07,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:07,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102990550] [2023-12-25 06:03:07,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102990550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:07,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:07,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 06:03:07,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197639593] [2023-12-25 06:03:07,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:07,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:07,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:07,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:07,101 INFO L87 Difference]: Start difference. First operand 482 states and 587 transitions. Second operand has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:07,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:07,285 INFO L93 Difference]: Finished difference Result 1418 states and 1754 transitions. [2023-12-25 06:03:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:07,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:03:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:07,300 INFO L225 Difference]: With dead ends: 1418 [2023-12-25 06:03:07,300 INFO L226 Difference]: Without dead ends: 938 [2023-12-25 06:03:07,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:07,302 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:07,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 447 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-12-25 06:03:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 936. [2023-12-25 06:03:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 657 states have (on average 1.2450532724505328) internal successors, (818), 703 states have internal predecessors, (818), 138 states have call successors, (138), 109 states have call predecessors, (138), 140 states have return successors, (182), 148 states have call predecessors, (182), 138 states have call successors, (182) [2023-12-25 06:03:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1138 transitions. [2023-12-25 06:03:07,398 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1138 transitions. Word has length 52 [2023-12-25 06:03:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:07,399 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1138 transitions. [2023-12-25 06:03:07,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:03:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1138 transitions. [2023-12-25 06:03:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-25 06:03:07,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:07,416 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:07,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:07,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:07,619 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:07,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:07,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1776931773, now seen corresponding path program 1 times [2023-12-25 06:03:07,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:07,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923929174] [2023-12-25 06:03:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:07,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:07,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 06:03:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:07,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:07,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:03:07,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:07,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:07,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923929174] [2023-12-25 06:03:07,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923929174] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:07,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:07,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:03:07,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915831664] [2023-12-25 06:03:07,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:07,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:07,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:07,742 INFO L87 Difference]: Start difference. First operand 936 states and 1138 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 06:03:07,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:07,938 INFO L93 Difference]: Finished difference Result 1844 states and 2246 transitions. [2023-12-25 06:03:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:03:07,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2023-12-25 06:03:07,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:07,942 INFO L225 Difference]: With dead ends: 1844 [2023-12-25 06:03:07,942 INFO L226 Difference]: Without dead ends: 910 [2023-12-25 06:03:07,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:07,945 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 56 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:07,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 630 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:07,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2023-12-25 06:03:08,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2023-12-25 06:03:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 631 states have (on average 1.1933438985736926) internal successors, (753), 677 states have internal predecessors, (753), 138 states have call successors, (138), 109 states have call predecessors, (138), 140 states have return successors, (175), 148 states have call predecessors, (175), 138 states have call successors, (175) [2023-12-25 06:03:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1066 transitions. [2023-12-25 06:03:08,041 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1066 transitions. Word has length 56 [2023-12-25 06:03:08,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:08,042 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1066 transitions. [2023-12-25 06:03:08,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 06:03:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1066 transitions. [2023-12-25 06:03:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 06:03:08,048 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:08,048 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:08,067 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 (12)] Ended with exit code 0 [2023-12-25 06:03:08,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,251 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:08,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash 2127014874, now seen corresponding path program 1 times [2023-12-25 06:03:08,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:08,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415257552] [2023-12-25 06:03:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:08,293 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:08,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 06:03:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:08,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:08,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-25 06:03:08,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:08,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:08,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415257552] [2023-12-25 06:03:08,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415257552] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:08,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:08,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:08,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141775303] [2023-12-25 06:03:08,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:08,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:08,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:08,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:08,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,355 INFO L87 Difference]: Start difference. First operand 910 states and 1066 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:08,423 INFO L93 Difference]: Finished difference Result 1824 states and 2163 transitions. [2023-12-25 06:03:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:08,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2023-12-25 06:03:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:08,427 INFO L225 Difference]: With dead ends: 1824 [2023-12-25 06:03:08,427 INFO L226 Difference]: Without dead ends: 916 [2023-12-25 06:03:08,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,429 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 2 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:08,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 258 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:08,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2023-12-25 06:03:08,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 910. [2023-12-25 06:03:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 631 states have (on average 1.1838351822503963) internal successors, (747), 677 states have internal predecessors, (747), 138 states have call successors, (138), 109 states have call predecessors, (138), 140 states have return successors, (175), 148 states have call predecessors, (175), 138 states have call successors, (175) [2023-12-25 06:03:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1060 transitions. [2023-12-25 06:03:08,494 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1060 transitions. Word has length 82 [2023-12-25 06:03:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:08,494 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1060 transitions. [2023-12-25 06:03:08,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1060 transitions. [2023-12-25 06:03:08,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 06:03:08,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:08,496 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:08,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:08,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,699 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:08,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -206377764, now seen corresponding path program 1 times [2023-12-25 06:03:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:08,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206231456] [2023-12-25 06:03:08,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:08,700 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:08,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:08,717 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:08,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 06:03:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:08,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:08,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-25 06:03:08,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:08,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:08,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206231456] [2023-12-25 06:03:08,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206231456] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:08,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282986300] [2023-12-25 06:03:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:08,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:08,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:08,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:08,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:08,826 INFO L87 Difference]: Start difference. First operand 910 states and 1060 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:08,929 INFO L93 Difference]: Finished difference Result 1723 states and 2041 transitions. [2023-12-25 06:03:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:08,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2023-12-25 06:03:08,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:08,955 INFO L225 Difference]: With dead ends: 1723 [2023-12-25 06:03:08,956 INFO L226 Difference]: Without dead ends: 815 [2023-12-25 06:03:08,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:08,958 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 6 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:08,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 254 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2023-12-25 06:03:09,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 813. [2023-12-25 06:03:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 566 states have (on average 1.185512367491166) internal successors, (671), 606 states have internal predecessors, (671), 126 states have call successors, (126), 101 states have call predecessors, (126), 120 states have return successors, (151), 128 states have call predecessors, (151), 126 states have call successors, (151) [2023-12-25 06:03:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 948 transitions. [2023-12-25 06:03:09,055 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 948 transitions. Word has length 82 [2023-12-25 06:03:09,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:09,056 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 948 transitions. [2023-12-25 06:03:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-25 06:03:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 948 transitions. [2023-12-25 06:03:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 06:03:09,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:09,060 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:09,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:09,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,261 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:09,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:09,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1762287868, now seen corresponding path program 1 times [2023-12-25 06:03:09,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:09,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036252900] [2023-12-25 06:03:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:09,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:09,277 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:09,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 06:03:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:09,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:09,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 06:03:09,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:09,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:09,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036252900] [2023-12-25 06:03:09,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036252900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:09,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:09,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:03:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766681380] [2023-12-25 06:03:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:09,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:03:09,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:09,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:03:09,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:09,400 INFO L87 Difference]: Start difference. First operand 813 states and 948 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:09,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:09,559 INFO L93 Difference]: Finished difference Result 1624 states and 1907 transitions. [2023-12-25 06:03:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:03:09,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2023-12-25 06:03:09,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:09,563 INFO L225 Difference]: With dead ends: 1624 [2023-12-25 06:03:09,563 INFO L226 Difference]: Without dead ends: 813 [2023-12-25 06:03:09,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:03:09,565 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 57 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:09,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 328 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-12-25 06:03:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2023-12-25 06:03:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 566 states have (on average 1.1660777385159011) internal successors, (660), 606 states have internal predecessors, (660), 126 states have call successors, (126), 101 states have call predecessors, (126), 120 states have return successors, (151), 128 states have call predecessors, (151), 126 states have call successors, (151) [2023-12-25 06:03:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 937 transitions. [2023-12-25 06:03:09,613 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 937 transitions. Word has length 86 [2023-12-25 06:03:09,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:09,613 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 937 transitions. [2023-12-25 06:03:09,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 937 transitions. [2023-12-25 06:03:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 06:03:09,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:09,614 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:09,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-12-25 06:03:09,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,817 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:09,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1179183522, now seen corresponding path program 1 times [2023-12-25 06:03:09,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:09,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480120799] [2023-12-25 06:03:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:09,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:09,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:09,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:09,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 06:03:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:09,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:09,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-25 06:03:09,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:09,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:09,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480120799] [2023-12-25 06:03:09,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480120799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:09,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:09,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353077830] [2023-12-25 06:03:09,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:09,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:09,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:09,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:09,955 INFO L87 Difference]: Start difference. First operand 813 states and 937 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-25 06:03:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:10,457 INFO L93 Difference]: Finished difference Result 1995 states and 2335 transitions. [2023-12-25 06:03:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 06:03:10,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 87 [2023-12-25 06:03:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:10,461 INFO L225 Difference]: With dead ends: 1995 [2023-12-25 06:03:10,461 INFO L226 Difference]: Without dead ends: 1271 [2023-12-25 06:03:10,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:03:10,464 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 308 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:10,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 269 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:03:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2023-12-25 06:03:10,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1233. [2023-12-25 06:03:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 847 states have (on average 1.1475796930342386) internal successors, (972), 905 states have internal predecessors, (972), 191 states have call successors, (191), 164 states have call predecessors, (191), 194 states have return successors, (226), 194 states have call predecessors, (226), 191 states have call successors, (226) [2023-12-25 06:03:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1389 transitions. [2023-12-25 06:03:10,529 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1389 transitions. Word has length 87 [2023-12-25 06:03:10,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:10,530 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 1389 transitions. [2023-12-25 06:03:10,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 5 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-25 06:03:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1389 transitions. [2023-12-25 06:03:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 06:03:10,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:10,531 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:10,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-25 06:03:10,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:10,734 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:10,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1842813690, now seen corresponding path program 1 times [2023-12-25 06:03:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:10,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801913380] [2023-12-25 06:03:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:10,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:10,735 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:10,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 06:03:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:10,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:10,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-25 06:03:10,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:10,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:10,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801913380] [2023-12-25 06:03:10,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801913380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:10,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:10,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 06:03:10,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136413492] [2023-12-25 06:03:10,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:10,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:10,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:10,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:10,909 INFO L87 Difference]: Start difference. First operand 1233 states and 1389 transitions. Second operand has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:11,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:11,155 INFO L93 Difference]: Finished difference Result 2377 states and 2682 transitions. [2023-12-25 06:03:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:03:11,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2023-12-25 06:03:11,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:11,161 INFO L225 Difference]: With dead ends: 2377 [2023-12-25 06:03:11,161 INFO L226 Difference]: Without dead ends: 1233 [2023-12-25 06:03:11,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:03:11,164 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 36 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:11,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 522 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:11,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2023-12-25 06:03:11,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1229. [2023-12-25 06:03:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 847 states have (on average 1.1428571428571428) internal successors, (968), 901 states have internal predecessors, (968), 187 states have call successors, (187), 164 states have call predecessors, (187), 194 states have return successors, (222), 194 states have call predecessors, (222), 187 states have call successors, (222) [2023-12-25 06:03:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1377 transitions. [2023-12-25 06:03:11,250 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1377 transitions. Word has length 88 [2023-12-25 06:03:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:11,250 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1377 transitions. [2023-12-25 06:03:11,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 06:03:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1377 transitions. [2023-12-25 06:03:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 06:03:11,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:11,252 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:11,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:11,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:11,455 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:11,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:11,456 INFO L85 PathProgramCache]: Analyzing trace with hash 118148751, now seen corresponding path program 1 times [2023-12-25 06:03:11,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:11,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634662154] [2023-12-25 06:03:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:11,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:11,469 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:11,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 06:03:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:11,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:11,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:03:11,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-25 06:03:11,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634662154] [2023-12-25 06:03:11,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634662154] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:11,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:11,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2023-12-25 06:03:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645150331] [2023-12-25 06:03:11,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:11,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 06:03:11,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 06:03:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-25 06:03:11,864 INFO L87 Difference]: Start difference. First operand 1229 states and 1377 transitions. Second operand has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) [2023-12-25 06:03:12,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:12,457 INFO L93 Difference]: Finished difference Result 2700 states and 3115 transitions. [2023-12-25 06:03:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 06:03:12,457 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) Word has length 96 [2023-12-25 06:03:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:12,462 INFO L225 Difference]: With dead ends: 2700 [2023-12-25 06:03:12,462 INFO L226 Difference]: Without dead ends: 1560 [2023-12-25 06:03:12,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-12-25 06:03:12,465 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 350 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:12,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 594 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 06:03:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2023-12-25 06:03:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1534. [2023-12-25 06:03:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1058 states have (on average 1.1323251417769375) internal successors, (1198), 1124 states have internal predecessors, (1198), 235 states have call successors, (235), 211 states have call predecessors, (235), 240 states have return successors, (265), 238 states have call predecessors, (265), 235 states have call successors, (265) [2023-12-25 06:03:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 1698 transitions. [2023-12-25 06:03:12,543 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 1698 transitions. Word has length 96 [2023-12-25 06:03:12,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:12,543 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 1698 transitions. [2023-12-25 06:03:12,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 13 states have internal predecessors, (103), 9 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (20), 9 states have call predecessors, (20), 9 states have call successors, (20) [2023-12-25 06:03:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1698 transitions. [2023-12-25 06:03:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 06:03:12,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:12,545 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:12,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:12,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:12,748 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:12,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1875995955, now seen corresponding path program 1 times [2023-12-25 06:03:12,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:12,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290994303] [2023-12-25 06:03:12,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:12,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:12,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:12,750 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:12,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 06:03:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:12,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 06:03:12,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-25 06:03:12,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 06:03:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-25 06:03:13,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:13,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290994303] [2023-12-25 06:03:13,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290994303] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 06:03:13,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 06:03:13,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2023-12-25 06:03:13,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140626477] [2023-12-25 06:03:13,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 06:03:13,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 06:03:13,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:13,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 06:03:13,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-25 06:03:13,123 INFO L87 Difference]: Start difference. First operand 1534 states and 1698 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-25 06:03:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:13,837 INFO L93 Difference]: Finished difference Result 3537 states and 3998 transitions. [2023-12-25 06:03:13,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-25 06:03:13,837 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2023-12-25 06:03:13,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:13,844 INFO L225 Difference]: With dead ends: 3537 [2023-12-25 06:03:13,844 INFO L226 Difference]: Without dead ends: 2092 [2023-12-25 06:03:13,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2023-12-25 06:03:13,847 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 618 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:13,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 399 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 06:03:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2023-12-25 06:03:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 1597. [2023-12-25 06:03:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1098 states have (on average 1.1247723132969034) internal successors, (1235), 1167 states have internal predecessors, (1235), 245 states have call successors, (245), 222 states have call predecessors, (245), 253 states have return successors, (277), 248 states have call predecessors, (277), 245 states have call successors, (277) [2023-12-25 06:03:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1757 transitions. [2023-12-25 06:03:13,949 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1757 transitions. Word has length 96 [2023-12-25 06:03:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:13,949 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 1757 transitions. [2023-12-25 06:03:13,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-25 06:03:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1757 transitions. [2023-12-25 06:03:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-12-25 06:03:13,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:13,954 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:13,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:14,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,157 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:14,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:14,158 INFO L85 PathProgramCache]: Analyzing trace with hash -900442404, now seen corresponding path program 1 times [2023-12-25 06:03:14,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:14,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862740924] [2023-12-25 06:03:14,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:14,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:14,168 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:14,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 06:03:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:14,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:14,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-12-25 06:03:14,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:14,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:14,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862740924] [2023-12-25 06:03:14,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862740924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:14,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:14,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:14,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651215709] [2023-12-25 06:03:14,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:14,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:14,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:14,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:14,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:14,408 INFO L87 Difference]: Start difference. First operand 1597 states and 1757 transitions. Second operand has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 06:03:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:14,621 INFO L93 Difference]: Finished difference Result 3042 states and 3360 transitions. [2023-12-25 06:03:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:14,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 321 [2023-12-25 06:03:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:14,626 INFO L225 Difference]: With dead ends: 3042 [2023-12-25 06:03:14,626 INFO L226 Difference]: Without dead ends: 1534 [2023-12-25 06:03:14,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:14,629 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 63 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:14,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 658 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-12-25 06:03:14,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2023-12-25 06:03:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1056 states have (on average 1.1240530303030303) internal successors, (1187), 1119 states have internal predecessors, (1187), 239 states have call successors, (239), 216 states have call predecessors, (239), 238 states have return successors, (262), 236 states have call predecessors, (262), 239 states have call successors, (262) [2023-12-25 06:03:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 1688 transitions. [2023-12-25 06:03:14,763 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 1688 transitions. Word has length 321 [2023-12-25 06:03:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:14,763 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 1688 transitions. [2023-12-25 06:03:14,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-25 06:03:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1688 transitions. [2023-12-25 06:03:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-12-25 06:03:14,774 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:14,774 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:14,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-12-25 06:03:14,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,975 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:14,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1670048756, now seen corresponding path program 1 times [2023-12-25 06:03:14,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:14,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419666807] [2023-12-25 06:03:14,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:14,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:14,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:14,977 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:14,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 06:03:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:15,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:15,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-25 06:03:15,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:15,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:15,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419666807] [2023-12-25 06:03:15,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419666807] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:15,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:15,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:03:15,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896680880] [2023-12-25 06:03:15,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:15,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:03:15,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:15,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:03:15,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:15,163 INFO L87 Difference]: Start difference. First operand 1534 states and 1688 transitions. Second operand has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 06:03:15,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:15,462 INFO L93 Difference]: Finished difference Result 2785 states and 3068 transitions. [2023-12-25 06:03:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:15,462 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) Word has length 325 [2023-12-25 06:03:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:15,466 INFO L225 Difference]: With dead ends: 2785 [2023-12-25 06:03:15,466 INFO L226 Difference]: Without dead ends: 1340 [2023-12-25 06:03:15,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:03:15,468 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 53 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:15,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 613 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2023-12-25 06:03:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2023-12-25 06:03:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 932 states have (on average 1.1169527896995708) internal successors, (1041), 977 states have internal predecessors, (1041), 204 states have call successors, (204), 191 states have call predecessors, (204), 203 states have return successors, (217), 197 states have call predecessors, (217), 204 states have call successors, (217) [2023-12-25 06:03:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1462 transitions. [2023-12-25 06:03:15,625 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1462 transitions. Word has length 325 [2023-12-25 06:03:15,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:15,626 INFO L495 AbstractCegarLoop]: Abstraction has 1340 states and 1462 transitions. [2023-12-25 06:03:15,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 06:03:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1462 transitions. [2023-12-25 06:03:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-25 06:03:15,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:15,631 INFO L195 NwaCegarLoop]: trace histogram [13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:15,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:15,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:15,832 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:15,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:15,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1150806020, now seen corresponding path program 2 times [2023-12-25 06:03:15,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825069364] [2023-12-25 06:03:15,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 06:03:15,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:15,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:15,834 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:15,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 06:03:15,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 06:03:15,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 06:03:15,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:03:15,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-12-25 06:03:16,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:16,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:16,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825069364] [2023-12-25 06:03:16,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825069364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:16,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:16,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:03:16,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769626047] [2023-12-25 06:03:16,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:16,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:16,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:16,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:16,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:16,011 INFO L87 Difference]: Start difference. First operand 1340 states and 1462 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-25 06:03:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:16,051 INFO L93 Difference]: Finished difference Result 1614 states and 1763 transitions. [2023-12-25 06:03:16,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:16,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 326 [2023-12-25 06:03:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:16,051 INFO L225 Difference]: With dead ends: 1614 [2023-12-25 06:03:16,052 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:03:16,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:16,053 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:16,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 233 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:16,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:03:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:03:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:03:16,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2023-12-25 06:03:16,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:16,055 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:03:16,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-25 06:03:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:03:16,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:03:16,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:03:16,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:16,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:16,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:03:18,089 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 266 273) no Hoare annotation was computed. [2023-12-25 06:03:18,090 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 266 273) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2 .cse3))) [2023-12-25 06:03:18,090 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2023-12-25 06:03:18,090 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2023-12-25 06:03:18,090 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse3) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:18,090 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2023-12-25 06:03:18,090 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 190 214) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse3) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:18,090 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2023-12-25 06:03:18,090 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse5) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 190 214) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))) .cse5 (and (= (_ bv1 32) ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| (_ bv1 32)))) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 396 407) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 396 407) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 (not (= (_ bv1 32) ~pumpRunning~0))))) [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 396 407) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 408 416) the Hoare annotation is: true [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 408 416) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point L508(lines 483 512) no Hoare annotation was computed. [2023-12-25 06:03:18,091 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-12-25 06:03:18,092 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2023-12-25 06:03:18,092 INFO L902 garLoopResultBuilder]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2023-12-25 06:03:18,092 INFO L902 garLoopResultBuilder]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2023-12-25 06:03:18,092 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 483 512) the Hoare annotation is: true [2023-12-25 06:03:18,092 INFO L902 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: true [2023-12-25 06:03:18,092 INFO L899 garLoopResultBuilder]: For program point L489-1(line 489) no Hoare annotation was computed. [2023-12-25 06:03:18,092 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-12-25 06:03:18,092 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2023-12-25 06:03:18,092 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) .cse5 .cse6) (or .cse4 .cse0 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5))) [2023-12-25 06:03:18,092 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32))) .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse1 .cse4 .cse5 .cse2))) [2023-12-25 06:03:18,092 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse5 .cse6 .cse7))) [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 610) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (and (= ~waterLevel~0 (_ bv2 32)) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse5 .cse1 .cse8 .cse7) (or .cse5 .cse1 .cse2 .cse8 .cse6)))) [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 135 154) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 372 383) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 155) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse11)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (and .cse10 .cse11)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse9 (and (= (_ bv1 32) ~pumpRunning~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse1 .cse4 .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse7 .cse6) (or .cse5 .cse1 .cse7 .cse8 .cse9)))) [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 232) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 237) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 606) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 609) no Hoare annotation was computed. [2023-12-25 06:03:18,093 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 581 613) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse9)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (= ~waterLevel~0 (_ bv2 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse5 .cse1 .cse2 .cse4 (and (= (_ bv1 32) ~pumpRunning~0) .cse8)) (or .cse5 .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse5 .cse1 .cse2 .cse6 (and .cse8 .cse9))))) [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 477) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse6 .cse5 .cse3 .cse4))) [2023-12-25 06:03:18,094 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:03:18,094 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 574) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L567-2(lines 567 574) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L113(lines 54 117) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 262) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse6))) [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 249 265) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-12-25 06:03:18,095 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2023-12-25 06:03:18,095 INFO L899 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 188) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 459) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 449 462) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 384 395) no Hoare annotation was computed. [2023-12-25 06:03:18,096 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 384 395) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (or .cse2 .cse3 .cse6 .cse7 .cse5) (or .cse2 .cse3 .cse6 .cse4 .cse7))) [2023-12-25 06:03:18,096 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 384 395) no Hoare annotation was computed. [2023-12-25 06:03:18,097 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 274 284) no Hoare annotation was computed. [2023-12-25 06:03:18,097 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 274 284) the Hoare annotation is: true [2023-12-25 06:03:18,097 INFO L902 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2023-12-25 06:03:18,097 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2023-12-25 06:03:18,099 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:18,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:03:18,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:18 BoogieIcfgContainer [2023-12-25 06:03:18,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:03:18,109 INFO L158 Benchmark]: Toolchain (without parser) took 16600.42ms. Allocated memory was 207.6MB in the beginning and 417.3MB in the end (delta: 209.7MB). Free memory was 170.8MB in the beginning and 232.2MB in the end (delta: -61.4MB). Peak memory consumption was 246.8MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,109 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 158.3MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:03:18,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.39ms. Allocated memory is still 207.6MB. Free memory was 170.3MB in the beginning and 144.0MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.67ms. Allocated memory is still 207.6MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,110 INFO L158 Benchmark]: Boogie Preprocessor took 57.98ms. Allocated memory is still 207.6MB. Free memory was 141.5MB in the beginning and 138.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,110 INFO L158 Benchmark]: RCFGBuilder took 480.99ms. Allocated memory is still 207.6MB. Free memory was 138.9MB in the beginning and 171.5MB in the end (delta: -32.6MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,110 INFO L158 Benchmark]: TraceAbstraction took 15533.33ms. Allocated memory was 207.6MB in the beginning and 417.3MB in the end (delta: 209.7MB). Free memory was 170.7MB in the beginning and 232.2MB in the end (delta: -61.5MB). Peak memory consumption was 244.2MB. Max. memory is 8.0GB. [2023-12-25 06:03:18,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 158.3MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 471.39ms. Allocated memory is still 207.6MB. Free memory was 170.3MB in the beginning and 144.0MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.67ms. Allocated memory is still 207.6MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.98ms. Allocated memory is still 207.6MB. Free memory was 141.5MB in the beginning and 138.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 480.99ms. Allocated memory is still 207.6MB. Free memory was 138.9MB in the beginning and 171.5MB in the end (delta: -32.6MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. * TraceAbstraction took 15533.33ms. Allocated memory was 207.6MB in the beginning and 417.3MB in the end (delta: 209.7MB). Free memory was 170.7MB in the beginning and 232.2MB in the end (delta: -61.5MB). Peak memory consumption was 244.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 118]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118] - GenericResultAtLocation [Line: 368]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [368] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [472] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [481] - GenericResultAtLocation [Line: 580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [580] - GenericResultAtLocation [Line: 614]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [649] * 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: 477]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 21, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2346 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2264 mSDsluCounter, 7198 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5073 mSDsCounter, 755 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4557 IncrementalHoareTripleChecker+Invalid, 5312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 755 mSolverCounterUnsat, 2125 mSDtfsCounter, 4557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2236 GetRequests, 2112 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1597occurred in iteration=18, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 660 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 5206 PreInvPairs, 5250 NumberOfFragments, 2010 HoareAnnotationTreeSize, 5206 FormulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FormulaSimplificationsInter, 1124 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2015 NumberOfCodeBlocks, 2015 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2184 ConstructedInterpolants, 0 QuantifiedInterpolants, 3748 SizeOfPredicates, 34 NumberOfNonLiveVariables, 4052 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 2630/2664 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 2) && (systemActive == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((((1 == pumpRunning) && (waterLevel == 2)) && (methaneLevelCritical == 0)) && (systemActive == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (systemActive == 1)) && (waterLevel == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((((systemActive == 1) && (waterLevel == 1)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning))) RESULT: Ultimate proved your program to be correct! [2023-12-25 06:03:18,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...