/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 06:34:45,568 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-01-10 06:34:45,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 06:34:45,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 06:34:45,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 06:34:45,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 06:34:45,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 06:34:45,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 06:34:45,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 06:34:45,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-10 06:34:45,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-01-10 06:34:45,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 06:34:45,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 06:34:45,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 06:34:45,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 06:34:45,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 06:34:45,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 06:34:45,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 06:34:45,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 06:34:45,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 06:34:45,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 06:34:45,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 06:34:45,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 06:34:45,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 06:34:45,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 06:34:45,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 06:34:45,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 06:34:45,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 06:34:45,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 06:34:45,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 06:34:45,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 06:34:45,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 06:34:45,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 06:34:45,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 06:34:45,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 06:34:45,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 06:34:45,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 06:34:45,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 06:34:45,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 06:34:45,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 06:34:45,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 06:34:45,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2022-01-10 06:34:45,712 INFO L113 SettingsManager]: Loading preferences was successful
[2022-01-10 06:34:45,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 06:34:45,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 06:34:45,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 06:34:45,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-10 06:34:45,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-10 06:34:45,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 06:34:45,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-01-10 06:34:45,714 INFO L138 SettingsManager]: * Use SBE=true
[2022-01-10 06:34:45,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 06:34:45,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-01-10 06:34:45,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-01-10 06:34:45,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-01-10 06:34:45,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 06:34:45,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 06:34:45,717 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 06:34:45,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 06:34:46,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 06:34:46,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 06:34:46,018 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-01-10 06:34:46,018 INFO L275 PluginConnector]: CDTParser initialized
[2022-01-10 06:34:46,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c
[2022-01-10 06:34:46,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4fc7939/3eec23a21f9e4a16b956a3b366885ebf/FLAG19954c50d
[2022-01-10 06:34:46,444 INFO L306 CDTParser]: Found 1 translation units.
[2022-01-10 06:34:46,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c
[2022-01-10 06:34:46,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4fc7939/3eec23a21f9e4a16b956a3b366885ebf/FLAG19954c50d
[2022-01-10 06:34:46,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4fc7939/3eec23a21f9e4a16b956a3b366885ebf
[2022-01-10 06:34:46,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 06:34:46,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-01-10 06:34:46,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 06:34:46,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 06:34:46,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 06:34:46,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:46,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d6ee1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46, skipping insertion in model container
[2022-01-10 06:34:46,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:46,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-01-10 06:34:46,509 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-01-10 06:34:46,716 WARN L230 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_spec4_product45.cil.c[5266,5279]
[2022-01-10 06:34:46,776 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-10 06:34:46,810 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-01-10 06:34:46,816 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-01-10 06:34:46,824 WARN L230 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_spec4_product45.cil.c[5266,5279]
[2022-01-10 06:34:46,874 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-10 06:34:46,883 INFO L203 MainTranslator]: Completed pre-run
[2022-01-10 06:34:46,916 WARN L230 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_spec4_product45.cil.c[5266,5279]
[2022-01-10 06:34:46,961 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-10 06:34:46,998 INFO L208 MainTranslator]: Completed translation
[2022-01-10 06:34:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46 WrapperNode
[2022-01-10 06:34:46,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 06:34:47,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 06:34:47,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 06:34:47,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 06:34:47,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,100 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 247
[2022-01-10 06:34:47,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 06:34:47,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 06:34:47,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 06:34:47,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 06:34:47,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 06:34:47,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 06:34:47,140 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 06:34:47,140 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-01-10 06:34:47,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (1/1) ...
[2022-01-10 06:34:47,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 06:34:47,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 06:34:47,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:47,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-01-10 06:34:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 06:34:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-01-10 06:34:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-01-10 06:34:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2022-01-10 06:34:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2022-01-10 06:34:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2022-01-10 06:34:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2022-01-10 06:34:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2022-01-10 06:34:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2022-01-10 06:34:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 06:34:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2022-01-10 06:34:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2022-01-10 06:34:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2022-01-10 06:34:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2022-01-10 06:34:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-01-10 06:34:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-01-10 06:34:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 06:34:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 06:34:47,348 INFO L234 CfgBuilder]: Building ICFG
[2022-01-10 06:34:47,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 06:34:47,683 INFO L275 CfgBuilder]: Performing block encoding
[2022-01-10 06:34:47,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 06:34:47,689 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2022-01-10 06:34:47,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:47 BoogieIcfgContainer
[2022-01-10 06:34:47,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 06:34:47,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 06:34:47,691 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 06:34:47,693 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-01-10 06:34:47,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:46" (1/3) ...
[2022-01-10 06:34:47,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dcdd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:47, skipping insertion in model container
[2022-01-10 06:34:47,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:46" (2/3) ...
[2022-01-10 06:34:47,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dcdd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:47, skipping insertion in model container
[2022-01-10 06:34:47,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:47" (3/3) ...
[2022-01-10 06:34:47,695 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c
[2022-01-10 06:34:47,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 06:34:47,699 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 06:34:47,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 06:34:47,734 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-01-10 06:34:47,735 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 06:34:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2022-01-10 06:34:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-01-10 06:34:47,761 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:47,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 06:34:47,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:47,768 INFO L85 PathProgramCache]: Analyzing trace with hash 657665153, now seen corresponding path program 1 times
[2022-01-10 06:34:47,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377754761]
[2022-01-10 06:34:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:47,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:47,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:47,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:47,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-01-10 06:34:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:47,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-01-10 06:34:47,865 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:47,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:47,936 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:47,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377754761]
[2022-01-10 06:34:47,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377754761] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:47,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:47,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 06:34:47,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823520499]
[2022-01-10 06:34:47,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:47,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 06:34:47,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:47,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 06:34:47,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 06:34:47,968 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:48,005 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions.
[2022-01-10 06:34:48,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-01-10 06:34:48,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2022-01-10 06:34:48,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:48,014 INFO L225 Difference]: With dead ends: 168
[2022-01-10 06:34:48,014 INFO L226 Difference]: Without dead ends: 79
[2022-01-10 06:34:48,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 06:34:48,020 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:48,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2022-01-10 06:34:48,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2022-01-10 06:34:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2022-01-10 06:34:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions.
[2022-01-10 06:34:48,068 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 19
[2022-01-10 06:34:48,068 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:48,068 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions.
[2022-01-10 06:34:48,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions.
[2022-01-10 06:34:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-01-10 06:34:48,072 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:48,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 06:34:48,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:48,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:48,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:48,284 INFO L85 PathProgramCache]: Analyzing trace with hash -635016862, now seen corresponding path program 1 times
[2022-01-10 06:34:48,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:48,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102439115]
[2022-01-10 06:34:48,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:48,285 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:48,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:48,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-01-10 06:34:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:48,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-01-10 06:34:48,356 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:48,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:48,409 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:48,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102439115]
[2022-01-10 06:34:48,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102439115] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:48,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:48,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-10 06:34:48,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219999747]
[2022-01-10 06:34:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:48,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-10 06:34:48,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-10 06:34:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 06:34:48,412 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:48,422 INFO L93 Difference]: Finished difference Result 124 states and 160 transitions.
[2022-01-10 06:34:48,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-01-10 06:34:48,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-01-10 06:34:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:48,424 INFO L225 Difference]: With dead ends: 124
[2022-01-10 06:34:48,424 INFO L226 Difference]: Without dead ends: 70
[2022-01-10 06:34:48,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 06:34:48,425 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 12 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:48,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2022-01-10 06:34:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2022-01-10 06:34:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2022-01-10 06:34:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions.
[2022-01-10 06:34:48,431 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 20
[2022-01-10 06:34:48,431 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:48,432 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions.
[2022-01-10 06:34:48,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions.
[2022-01-10 06:34:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-01-10 06:34:48,432 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:48,433 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:48,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:48,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:48,642 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:48,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:48,643 INFO L85 PathProgramCache]: Analyzing trace with hash 393763767, now seen corresponding path program 1 times
[2022-01-10 06:34:48,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:48,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080641862]
[2022-01-10 06:34:48,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:48,644 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:48,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:48,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:48,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-01-10 06:34:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:48,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-01-10 06:34:48,730 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:48,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:48,785 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:48,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080641862]
[2022-01-10 06:34:48,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080641862] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:48,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:48,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 06:34:48,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108955483]
[2022-01-10 06:34:48,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:48,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-10 06:34:48,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:48,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-10 06:34:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 06:34:48,791 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:48,809 INFO L93 Difference]: Finished difference Result 133 states and 174 transitions.
[2022-01-10 06:34:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-01-10 06:34:48,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2022-01-10 06:34:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:48,812 INFO L225 Difference]: With dead ends: 133
[2022-01-10 06:34:48,813 INFO L226 Difference]: Without dead ends: 70
[2022-01-10 06:34:48,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 06:34:48,816 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:48,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2022-01-10 06:34:48,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2022-01-10 06:34:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2022-01-10 06:34:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions.
[2022-01-10 06:34:48,823 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 24
[2022-01-10 06:34:48,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:48,823 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions.
[2022-01-10 06:34:48,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 06:34:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions.
[2022-01-10 06:34:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2022-01-10 06:34:48,824 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:48,824 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:48,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:49,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:49,033 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:49,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:49,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1897865398, now seen corresponding path program 1 times
[2022-01-10 06:34:49,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:49,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056947061]
[2022-01-10 06:34:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:49,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:49,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:49,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:49,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-01-10 06:34:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:49,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-01-10 06:34:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:49,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:49,193 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:49,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056947061]
[2022-01-10 06:34:49,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056947061] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:49,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:49,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-10 06:34:49,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630187015]
[2022-01-10 06:34:49,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:49,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-01-10 06:34:49,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:49,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-01-10 06:34:49,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-01-10 06:34:49,197 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-01-10 06:34:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:49,351 INFO L93 Difference]: Finished difference Result 200 states and 251 transitions.
[2022-01-10 06:34:49,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-01-10 06:34:49,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34
[2022-01-10 06:34:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:49,355 INFO L225 Difference]: With dead ends: 200
[2022-01-10 06:34:49,355 INFO L226 Difference]: Without dead ends: 137
[2022-01-10 06:34:49,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:49,363 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 156 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:49,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 343 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 06:34:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2022-01-10 06:34:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131.
[2022-01-10 06:34:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 103 states have (on average 1.2524271844660195) internal successors, (129), 111 states have internal predecessors, (129), 12 states have call successors, (12), 12 states have call predecessors, (12), 15 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15)
[2022-01-10 06:34:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 156 transitions.
[2022-01-10 06:34:49,379 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 156 transitions. Word has length 34
[2022-01-10 06:34:49,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:49,379 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 156 transitions.
[2022-01-10 06:34:49,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-01-10 06:34:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions.
[2022-01-10 06:34:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2022-01-10 06:34:49,380 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:49,380 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:49,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:49,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:49,600 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1288107246, now seen corresponding path program 1 times
[2022-01-10 06:34:49,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:49,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487986587]
[2022-01-10 06:34:49,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:49,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:49,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:49,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2022-01-10 06:34:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:49,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-01-10 06:34:49,656 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:49,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:49,732 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:49,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487986587]
[2022-01-10 06:34:49,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487986587] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:49,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:49,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-10 06:34:49,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228979492]
[2022-01-10 06:34:49,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:49,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-01-10 06:34:49,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-01-10 06:34:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:49,733 INFO L87 Difference]: Start difference. First operand 131 states and 156 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-01-10 06:34:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:49,773 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions.
[2022-01-10 06:34:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-01-10 06:34:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40
[2022-01-10 06:34:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:49,775 INFO L225 Difference]: With dead ends: 332
[2022-01-10 06:34:49,775 INFO L226 Difference]: Without dead ends: 208
[2022-01-10 06:34:49,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:49,776 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 36 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:49,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 344 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:49,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states.
[2022-01-10 06:34:49,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208.
[2022-01-10 06:34:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 163 states have (on average 1.2392638036809815) internal successors, (202), 174 states have internal predecessors, (202), 21 states have call successors, (21), 21 states have call predecessors, (21), 23 states have return successors, (27), 21 states have call predecessors, (27), 21 states have call successors, (27)
[2022-01-10 06:34:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 250 transitions.
[2022-01-10 06:34:49,790 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 250 transitions. Word has length 40
[2022-01-10 06:34:49,790 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:49,790 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 250 transitions.
[2022-01-10 06:34:49,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-01-10 06:34:49,790 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 250 transitions.
[2022-01-10 06:34:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-01-10 06:34:49,791 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:49,791 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:49,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:49,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:49,998 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1416737492, now seen corresponding path program 1 times
[2022-01-10 06:34:49,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:49,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225096626]
[2022-01-10 06:34:50,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:50,000 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:50,001 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:50,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2022-01-10 06:34:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:50,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-01-10 06:34:50,050 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:50,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:50,154 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:50,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225096626]
[2022-01-10 06:34:50,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225096626] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:50,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:50,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-10 06:34:50,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107872462]
[2022-01-10 06:34:50,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:50,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-01-10 06:34:50,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:50,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-01-10 06:34:50,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-01-10 06:34:50,155 INFO L87 Difference]: Start difference. First operand 208 states and 250 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2022-01-10 06:34:50,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:50,400 INFO L93 Difference]: Finished difference Result 577 states and 712 transitions.
[2022-01-10 06:34:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-01-10 06:34:50,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44
[2022-01-10 06:34:50,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:50,402 INFO L225 Difference]: With dead ends: 577
[2022-01-10 06:34:50,402 INFO L226 Difference]: Without dead ends: 453
[2022-01-10 06:34:50,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-01-10 06:34:50,404 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 236 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:50,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 424 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-01-10 06:34:50,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states.
[2022-01-10 06:34:50,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 421.
[2022-01-10 06:34:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 331 states have (on average 1.2356495468277946) internal successors, (409), 356 states have internal predecessors, (409), 40 states have call successors, (40), 38 states have call predecessors, (40), 49 states have return successors, (53), 42 states have call predecessors, (53), 40 states have call successors, (53)
[2022-01-10 06:34:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 502 transitions.
[2022-01-10 06:34:50,427 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 502 transitions. Word has length 44
[2022-01-10 06:34:50,427 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:50,427 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 502 transitions.
[2022-01-10 06:34:50,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2022-01-10 06:34:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 502 transitions.
[2022-01-10 06:34:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-01-10 06:34:50,428 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:50,428 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:50,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:50,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:50,655 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:50,655 INFO L85 PathProgramCache]: Analyzing trace with hash -577407214, now seen corresponding path program 1 times
[2022-01-10 06:34:50,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:50,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684938200]
[2022-01-10 06:34:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:50,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:50,657 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:50,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2022-01-10 06:34:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:50,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-01-10 06:34:50,705 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:50,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:50,759 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:50,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684938200]
[2022-01-10 06:34:50,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684938200] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:50,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:50,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-10 06:34:50,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740095207]
[2022-01-10 06:34:50,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:50,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 06:34:50,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:50,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 06:34:50,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 06:34:50,761 INFO L87 Difference]: Start difference. First operand 421 states and 502 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:50,803 INFO L93 Difference]: Finished difference Result 836 states and 1015 transitions.
[2022-01-10 06:34:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-01-10 06:34:50,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44
[2022-01-10 06:34:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:50,826 INFO L225 Difference]: With dead ends: 836
[2022-01-10 06:34:50,826 INFO L226 Difference]: Without dead ends: 479
[2022-01-10 06:34:50,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:50,827 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 22 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:50,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 308 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:50,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states.
[2022-01-10 06:34:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 423.
[2022-01-10 06:34:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 333 states have (on average 1.2312312312312312) internal successors, (410), 358 states have internal predecessors, (410), 40 states have call successors, (40), 38 states have call predecessors, (40), 49 states have return successors, (53), 42 states have call predecessors, (53), 40 states have call successors, (53)
[2022-01-10 06:34:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 503 transitions.
[2022-01-10 06:34:50,858 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 503 transitions. Word has length 44
[2022-01-10 06:34:50,858 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:50,858 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 503 transitions.
[2022-01-10 06:34:50,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 503 transitions.
[2022-01-10 06:34:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-01-10 06:34:50,859 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:50,859 INFO L514 BasicCegarLoop]: 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]
[2022-01-10 06:34:50,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:51,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:51,067 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:51,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1598475568, now seen corresponding path program 1 times
[2022-01-10 06:34:51,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:51,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203724561]
[2022-01-10 06:34:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:51,068 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:51,069 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:51,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2022-01-10 06:34:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-01-10 06:34:51,139 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:51,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:51,196 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:51,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203724561]
[2022-01-10 06:34:51,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203724561] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:51,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:51,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-10 06:34:51,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512193437]
[2022-01-10 06:34:51,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:51,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-01-10 06:34:51,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:51,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-01-10 06:34:51,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:51,199 INFO L87 Difference]: Start difference. First operand 423 states and 503 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:51,235 INFO L93 Difference]: Finished difference Result 875 states and 1052 transitions.
[2022-01-10 06:34:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-01-10 06:34:51,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44
[2022-01-10 06:34:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:51,238 INFO L225 Difference]: With dead ends: 875
[2022-01-10 06:34:51,238 INFO L226 Difference]: Without dead ends: 459
[2022-01-10 06:34:51,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:51,239 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 24 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:51,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 355 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:51,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states.
[2022-01-10 06:34:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 429.
[2022-01-10 06:34:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 341 states have (on average 1.2228739002932552) internal successors, (417), 365 states have internal predecessors, (417), 39 states have call successors, (39), 37 states have call predecessors, (39), 48 states have return successors, (52), 41 states have call predecessors, (52), 39 states have call successors, (52)
[2022-01-10 06:34:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 508 transitions.
[2022-01-10 06:34:51,258 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 508 transitions. Word has length 44
[2022-01-10 06:34:51,259 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:51,259 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 508 transitions.
[2022-01-10 06:34:51,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 508 transitions.
[2022-01-10 06:34:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2022-01-10 06:34:51,260 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:51,260 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1]
[2022-01-10 06:34:51,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:51,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:51,467 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 884334242, now seen corresponding path program 1 times
[2022-01-10 06:34:51,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:51,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189194407]
[2022-01-10 06:34:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:51,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:51,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:51,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2022-01-10 06:34:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:51,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-01-10 06:34:51,522 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:51,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:51,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:51,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189194407]
[2022-01-10 06:34:51,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189194407] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:51,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:51,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-10 06:34:51,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513330024]
[2022-01-10 06:34:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:51,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-10 06:34:51,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:51,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-10 06:34:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:51,653 INFO L87 Difference]: Start difference. First operand 429 states and 508 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2022-01-10 06:34:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:51,773 INFO L93 Difference]: Finished difference Result 1250 states and 1506 transitions.
[2022-01-10 06:34:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-01-10 06:34:51,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49
[2022-01-10 06:34:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:51,776 INFO L225 Difference]: With dead ends: 1250
[2022-01-10 06:34:51,776 INFO L226 Difference]: Without dead ends: 828
[2022-01-10 06:34:51,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2022-01-10 06:34:51,778 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 56 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:51,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 425 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 06:34:51,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states.
[2022-01-10 06:34:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 826.
[2022-01-10 06:34:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 655 states have (on average 1.2106870229007634) internal successors, (793), 697 states have internal predecessors, (793), 77 states have call successors, (77), 73 states have call predecessors, (77), 93 states have return successors, (108), 80 states have call predecessors, (108), 77 states have call successors, (108)
[2022-01-10 06:34:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 978 transitions.
[2022-01-10 06:34:51,828 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 978 transitions. Word has length 49
[2022-01-10 06:34:51,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:51,828 INFO L470 AbstractCegarLoop]: Abstraction has 826 states and 978 transitions.
[2022-01-10 06:34:51,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2022-01-10 06:34:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 978 transitions.
[2022-01-10 06:34:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2022-01-10 06:34:51,829 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:51,829 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1]
[2022-01-10 06:34:51,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:52,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:52,041 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:52,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:52,041 INFO L85 PathProgramCache]: Analyzing trace with hash -316766017, now seen corresponding path program 1 times
[2022-01-10 06:34:52,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:52,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708082792]
[2022-01-10 06:34:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:52,042 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:52,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:52,043 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:52,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2022-01-10 06:34:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:52,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-01-10 06:34:52,128 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 06:34:52,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:52,303 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:52,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708082792]
[2022-01-10 06:34:52,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708082792] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:52,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:52,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-01-10 06:34:52,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457804802]
[2022-01-10 06:34:52,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:52,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-01-10 06:34:52,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:52,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-01-10 06:34:52,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2022-01-10 06:34:52,304 INFO L87 Difference]: Start difference. First operand 826 states and 978 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:52,771 INFO L93 Difference]: Finished difference Result 1534 states and 1820 transitions.
[2022-01-10 06:34:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-01-10 06:34:52,771 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50
[2022-01-10 06:34:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:52,775 INFO L225 Difference]: With dead ends: 1534
[2022-01-10 06:34:52,775 INFO L226 Difference]: Without dead ends: 834
[2022-01-10 06:34:52,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156
[2022-01-10 06:34:52,777 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 212 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:52,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 632 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-01-10 06:34:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states.
[2022-01-10 06:34:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 820.
[2022-01-10 06:34:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 649 states have (on average 1.2033898305084745) internal successors, (781), 691 states have internal predecessors, (781), 77 states have call successors, (77), 73 states have call predecessors, (77), 93 states have return successors, (108), 80 states have call predecessors, (108), 77 states have call successors, (108)
[2022-01-10 06:34:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 966 transitions.
[2022-01-10 06:34:52,834 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 966 transitions. Word has length 50
[2022-01-10 06:34:52,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 966 transitions.
[2022-01-10 06:34:52,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2022-01-10 06:34:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 966 transitions.
[2022-01-10 06:34:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2022-01-10 06:34:52,835 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:52,835 INFO L514 BasicCegarLoop]: trace histogram [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]
[2022-01-10 06:34:52,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:53,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:53,041 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash -421076759, now seen corresponding path program 1 times
[2022-01-10 06:34:53,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:53,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241442480]
[2022-01-10 06:34:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:53,042 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:53,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:53,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2022-01-10 06:34:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:53,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-01-10 06:34:53,131 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-01-10 06:34:53,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:53,272 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:53,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241442480]
[2022-01-10 06:34:53,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241442480] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:53,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:53,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-10 06:34:53,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357933535]
[2022-01-10 06:34:53,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:53,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-01-10 06:34:53,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-01-10 06:34:53,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:53,274 INFO L87 Difference]: Start difference. First operand 820 states and 966 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 06:34:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:53,349 INFO L93 Difference]: Finished difference Result 1639 states and 1949 transitions.
[2022-01-10 06:34:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-01-10 06:34:53,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75
[2022-01-10 06:34:53,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:53,367 INFO L225 Difference]: With dead ends: 1639
[2022-01-10 06:34:53,367 INFO L226 Difference]: Without dead ends: 826
[2022-01-10 06:34:53,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:53,369 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 9 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:53,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 336 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:53,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states.
[2022-01-10 06:34:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 820.
[2022-01-10 06:34:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 649 states have (on average 1.1941448382126347) internal successors, (775), 691 states have internal predecessors, (775), 77 states have call successors, (77), 73 states have call predecessors, (77), 93 states have return successors, (108), 80 states have call predecessors, (108), 77 states have call successors, (108)
[2022-01-10 06:34:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 960 transitions.
[2022-01-10 06:34:53,407 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 960 transitions. Word has length 75
[2022-01-10 06:34:53,407 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:53,407 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 960 transitions.
[2022-01-10 06:34:53,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 06:34:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 960 transitions.
[2022-01-10 06:34:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2022-01-10 06:34:53,409 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:53,409 INFO L514 BasicCegarLoop]: trace histogram [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]
[2022-01-10 06:34:53,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:53,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:53,642 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:53,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:53,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1845304427, now seen corresponding path program 1 times
[2022-01-10 06:34:53,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:53,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912707053]
[2022-01-10 06:34:53,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:53,643 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:53,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:53,645 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:53,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process
[2022-01-10 06:34:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:53,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-01-10 06:34:53,733 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-01-10 06:34:53,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:53,855 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:53,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912707053]
[2022-01-10 06:34:53,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912707053] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:53,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:53,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-10 06:34:53,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341741490]
[2022-01-10 06:34:53,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:53,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 06:34:53,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:53,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 06:34:53,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 06:34:53,857 INFO L87 Difference]: Start difference. First operand 820 states and 960 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 06:34:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:53,916 INFO L93 Difference]: Finished difference Result 1545 states and 1837 transitions.
[2022-01-10 06:34:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-01-10 06:34:53,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75
[2022-01-10 06:34:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:53,919 INFO L225 Difference]: With dead ends: 1545
[2022-01-10 06:34:53,919 INFO L226 Difference]: Without dead ends: 732
[2022-01-10 06:34:53,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:53,923 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 11 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:53,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 252 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:53,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states.
[2022-01-10 06:34:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 730.
[2022-01-10 06:34:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 575 states have (on average 1.1982608695652175) internal successors, (689), 611 states have internal predecessors, (689), 73 states have call successors, (73), 69 states have call predecessors, (73), 81 states have return successors, (96), 72 states have call predecessors, (96), 73 states have call successors, (96)
[2022-01-10 06:34:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 858 transitions.
[2022-01-10 06:34:53,979 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 858 transitions. Word has length 75
[2022-01-10 06:34:53,979 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:53,979 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 858 transitions.
[2022-01-10 06:34:53,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 06:34:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 858 transitions.
[2022-01-10 06:34:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2022-01-10 06:34:53,981 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:53,981 INFO L514 BasicCegarLoop]: trace histogram [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]
[2022-01-10 06:34:53,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:54,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:54,188 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:54,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1376565305, now seen corresponding path program 1 times
[2022-01-10 06:34:54,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:54,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255186467]
[2022-01-10 06:34:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:54,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:54,190 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:54,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process
[2022-01-10 06:34:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:54,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-01-10 06:34:54,281 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-01-10 06:34:54,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:54,463 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:54,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255186467]
[2022-01-10 06:34:54,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255186467] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:54,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:54,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-10 06:34:54,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877808413]
[2022-01-10 06:34:54,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:54,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-10 06:34:54,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-10 06:34:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:54,464 INFO L87 Difference]: Start difference. First operand 730 states and 858 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2022-01-10 06:34:54,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:54,539 INFO L93 Difference]: Finished difference Result 1353 states and 1593 transitions.
[2022-01-10 06:34:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-01-10 06:34:54,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79
[2022-01-10 06:34:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:54,554 INFO L225 Difference]: With dead ends: 1353
[2022-01-10 06:34:54,554 INFO L226 Difference]: Without dead ends: 706
[2022-01-10 06:34:54,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2022-01-10 06:34:54,556 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 55 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:54,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 571 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states.
[2022-01-10 06:34:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 700.
[2022-01-10 06:34:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 548 states have (on average 1.1916058394160585) internal successors, (653), 581 states have internal predecessors, (653), 73 states have call successors, (73), 69 states have call predecessors, (73), 78 states have return successors, (92), 72 states have call predecessors, (92), 73 states have call successors, (92)
[2022-01-10 06:34:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 818 transitions.
[2022-01-10 06:34:54,586 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 818 transitions. Word has length 79
[2022-01-10 06:34:54,586 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:54,586 INFO L470 AbstractCegarLoop]: Abstraction has 700 states and 818 transitions.
[2022-01-10 06:34:54,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2022-01-10 06:34:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 818 transitions.
[2022-01-10 06:34:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2022-01-10 06:34:54,587 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:54,587 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1]
[2022-01-10 06:34:54,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:54,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:54,794 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:54,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2010967267, now seen corresponding path program 1 times
[2022-01-10 06:34:54,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232599363]
[2022-01-10 06:34:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:54,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:54,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:54,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process
[2022-01-10 06:34:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:54,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-01-10 06:34:54,843 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-01-10 06:34:54,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:54,985 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:54,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232599363]
[2022-01-10 06:34:54,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232599363] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:54,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:54,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-01-10 06:34:54,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029801524]
[2022-01-10 06:34:54,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:54,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-10 06:34:54,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:54,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-10 06:34:54,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:54,986 INFO L87 Difference]: Start difference. First operand 700 states and 818 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2022-01-10 06:34:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:55,078 INFO L93 Difference]: Finished difference Result 1365 states and 1601 transitions.
[2022-01-10 06:34:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-01-10 06:34:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83
[2022-01-10 06:34:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:55,081 INFO L225 Difference]: With dead ends: 1365
[2022-01-10 06:34:55,081 INFO L226 Difference]: Without dead ends: 672
[2022-01-10 06:34:55,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2022-01-10 06:34:55,083 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 60 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:55,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 532 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 06:34:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states.
[2022-01-10 06:34:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 668.
[2022-01-10 06:34:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 522 states have (on average 1.1781609195402298) internal successors, (615), 552 states have internal predecessors, (615), 72 states have call successors, (72), 68 states have call predecessors, (72), 73 states have return successors, (80), 69 states have call predecessors, (80), 72 states have call successors, (80)
[2022-01-10 06:34:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 767 transitions.
[2022-01-10 06:34:55,103 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 767 transitions. Word has length 83
[2022-01-10 06:34:55,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:55,104 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 767 transitions.
[2022-01-10 06:34:55,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2022-01-10 06:34:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 767 transitions.
[2022-01-10 06:34:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2022-01-10 06:34:55,104 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:55,105 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1]
[2022-01-10 06:34:55,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:55,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:55,311 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:55,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash 866703531, now seen corresponding path program 2 times
[2022-01-10 06:34:55,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:55,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95742709]
[2022-01-10 06:34:55,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-01-10 06:34:55,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:55,332 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:55,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process
[2022-01-10 06:34:55,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-01-10 06:34:55,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-10 06:34:55,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-01-10 06:34:55,378 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2022-01-10 06:34:55,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 06:34:55,486 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:55,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95742709]
[2022-01-10 06:34:55,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95742709] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 06:34:55,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 06:34:55,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-10 06:34:55,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000115092]
[2022-01-10 06:34:55,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 06:34:55,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-01-10 06:34:55,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-01-10 06:34:55,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-01-10 06:34:55,488 INFO L87 Difference]: Start difference. First operand 668 states and 767 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2022-01-10 06:34:55,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:55,538 INFO L93 Difference]: Finished difference Result 712 states and 813 transitions.
[2022-01-10 06:34:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-01-10 06:34:55,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 83
[2022-01-10 06:34:55,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:55,541 INFO L225 Difference]: With dead ends: 712
[2022-01-10 06:34:55,541 INFO L226 Difference]: Without dead ends: 710
[2022-01-10 06:34:55,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-10 06:34:55,542 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 75 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:55,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 334 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 06:34:55,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states.
[2022-01-10 06:34:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 668.
[2022-01-10 06:34:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 522 states have (on average 1.1647509578544062) internal successors, (608), 552 states have internal predecessors, (608), 72 states have call successors, (72), 68 states have call predecessors, (72), 73 states have return successors, (80), 69 states have call predecessors, (80), 72 states have call successors, (80)
[2022-01-10 06:34:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 760 transitions.
[2022-01-10 06:34:55,564 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 760 transitions. Word has length 83
[2022-01-10 06:34:55,564 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:55,564 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 760 transitions.
[2022-01-10 06:34:55,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2022-01-10 06:34:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 760 transitions.
[2022-01-10 06:34:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2022-01-10 06:34:55,565 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:55,565 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 06:34:55,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:55,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:55,774 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:55,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1655738174, now seen corresponding path program 1 times
[2022-01-10 06:34:55,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:55,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37141476]
[2022-01-10 06:34:55,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 06:34:55,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:55,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:55,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process
[2022-01-10 06:34:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 06:34:55,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 13 conjunts are in the unsatisfiable core
[2022-01-10 06:34:55,826 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 06:34:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-01-10 06:34:56,030 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 06:34:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-01-10 06:34:56,295 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 06:34:56,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37141476]
[2022-01-10 06:34:56,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37141476] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 06:34:56,295 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-01-10 06:34:56,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15
[2022-01-10 06:34:56,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841631734]
[2022-01-10 06:34:56,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-01-10 06:34:56,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-01-10 06:34:56,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 06:34:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-01-10 06:34:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2022-01-10 06:34:56,296 INFO L87 Difference]: Start difference. First operand 668 states and 760 transitions. Second operand has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 14 states have internal predecessors, (110), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2022-01-10 06:34:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 06:34:57,173 INFO L93 Difference]: Finished difference Result 1832 states and 2169 transitions.
[2022-01-10 06:34:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-01-10 06:34:57,174 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 14 states have internal predecessors, (110), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 86
[2022-01-10 06:34:57,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 06:34:57,178 INFO L225 Difference]: With dead ends: 1832
[2022-01-10 06:34:57,178 INFO L226 Difference]: Without dead ends: 1247
[2022-01-10 06:34:57,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 158 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406
[2022-01-10 06:34:57,181 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 529 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-01-10 06:34:57,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 983 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-01-10 06:34:57,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states.
[2022-01-10 06:34:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1024.
[2022-01-10 06:34:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 791 states have (on average 1.1630847029077118) internal successors, (920), 838 states have internal predecessors, (920), 112 states have call successors, (112), 108 states have call predecessors, (112), 120 states have return successors, (146), 113 states have call predecessors, (146), 112 states have call successors, (146)
[2022-01-10 06:34:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1178 transitions.
[2022-01-10 06:34:57,220 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1178 transitions. Word has length 86
[2022-01-10 06:34:57,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-10 06:34:57,221 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1178 transitions.
[2022-01-10 06:34:57,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 14 states have internal predecessors, (110), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13)
[2022-01-10 06:34:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1178 transitions.
[2022-01-10 06:34:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2022-01-10 06:34:57,222 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-10 06:34:57,222 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 06:34:57,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:57,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:57,429 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 06:34:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 06:34:57,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1210307397, now seen corresponding path program 2 times
[2022-01-10 06:34:57,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 06:34:57,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100393107]
[2022-01-10 06:34:57,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-01-10 06:34:57,430 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 06:34:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 06:34:57,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 06:34:57,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process
[2022-01-10 06:34:57,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-01-10 06:34:57,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2022-01-10 06:34:57,495 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-01-10 06:34:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-01-10 06:34:57,610 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2022-01-10 06:34:57,610 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-01-10 06:34:57,611 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-01-10 06:34:57,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0
[2022-01-10 06:34:57,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 06:34:57,829 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 06:34:57,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2022-01-10 06:34:57,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:57 BoogieIcfgContainer
[2022-01-10 06:34:57,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: Toolchain (without parser) took 11463.07ms. Allocated memory was 239.1MB in the beginning and 330.3MB in the end (delta: 91.2MB). Free memory was 182.4MB in the beginning and 168.1MB in the end (delta: 14.3MB). Peak memory consumption was 105.9MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 239.1MB. Free memory was 199.7MB in the beginning and 199.7MB in the end (delta: 76.7kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.95ms. Allocated memory is still 239.1MB. Free memory was 182.2MB in the beginning and 194.3MB in the end (delta: -12.1MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.85ms. Allocated memory is still 239.1MB. Free memory was 194.3MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: Boogie Preprocessor took 38.62ms. Allocated memory is still 239.1MB. Free memory was 191.7MB in the beginning and 190.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,928 INFO L158 Benchmark]: RCFGBuilder took 549.73ms. Allocated memory is still 239.1MB. Free memory was 190.1MB in the beginning and 172.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,946 INFO L158 Benchmark]: TraceAbstraction took 10236.25ms. Allocated memory was 239.1MB in the beginning and 330.3MB in the end (delta: 91.2MB). Free memory was 172.3MB in the beginning and 168.1MB in the end (delta: 4.2MB). Peak memory consumption was 95.9MB. Max. memory is 8.0GB.
[2022-01-10 06:34:57,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09ms. Allocated memory is still 239.1MB. Free memory was 199.7MB in the beginning and 199.7MB in the end (delta: 76.7kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 541.95ms. Allocated memory is still 239.1MB. Free memory was 182.2MB in the beginning and 194.3MB in the end (delta: -12.1MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 91.85ms. Allocated memory is still 239.1MB. Free memory was 194.3MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 38.62ms. Allocated memory is still 239.1MB. Free memory was 191.7MB in the beginning and 190.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 549.73ms. Allocated memory is still 239.1MB. Free memory was 190.1MB in the beginning and 172.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
* TraceAbstraction took 10236.25ms. Allocated memory was 239.1MB in the beginning and 330.3MB in the end (delta: 91.2MB). Free memory was 172.3MB in the beginning and 168.1MB in the end (delta: 4.2MB). Peak memory consumption was 95.9MB. Max. memory is 8.0GB.
* 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
- CounterExampleResult [Line: 327]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L127] int pumpRunning = 0;
[L128] int systemActive = 1;
[L501] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L725] int cleanupTimeShifts = 4;
[L824] int waterLevel = 1;
[L825] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L801] int retValue_acc ;
[L802] int tmp ;
[L806] FCALL select_helpers()
[L807] FCALL select_features()
[L808] CALL, EXPR valid_product()
[L944] int retValue_acc ;
[L947] retValue_acc = 1
[L948] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L808] RET, EXPR valid_product()
[L808] tmp = valid_product()
[L810] COND TRUE \read(tmp)
[L812] FCALL setup()
[L813] CALL runTest()
[L792] CALL test()
[L55] int splverifierCounter ;
[L56] int tmp ;
[L57] int tmp___0 ;
[L58] int tmp___1 ;
[L59] int tmp___2 ;
[L62] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L64] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L66] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L72] tmp = __VERIFIER_nondet_int()
[L74] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=1]
[L76] CALL waterRise()
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L842] COND TRUE waterLevel < 2
[L843] waterLevel = waterLevel + 1
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L76] RET waterRise()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=2]
[L82] tmp___0 = __VERIFIER_nondet_int()
[L84] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, waterLevel=2]
[L92] tmp___2 = __VERIFIER_nondet_int()
[L94] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L107] CALL timeShift()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L135] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L142] COND TRUE \read(systemActive)
[L144] CALL processEnvironment()
[L190] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L193] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L208] CALL processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L164] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L167] COND TRUE ! pumpRunning
[L169] CALL, EXPR isHighWaterLevel()
[L304] int retValue_acc ;
[L305] int tmp ;
[L306] int tmp___0 ;
[L310] CALL, EXPR isHighWaterSensorDry()
[L904] int retValue_acc ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L907] COND FALSE !(waterLevel < 2)
[L911] retValue_acc = 0
[L912] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L310] RET, EXPR isHighWaterSensorDry()
[L310] tmp = isHighWaterSensorDry()
[L312] COND FALSE !(\read(tmp))
[L315] tmp___0 = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L317] retValue_acc = tmp___0
[L318] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L169] RET, EXPR isHighWaterLevel()
[L169] tmp = isHighWaterLevel()
[L171] COND TRUE \read(tmp)
[L173] CALL activatePump()
[L223] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L227] CALL, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L248] int retValue_acc ;
[L252] CALL, EXPR isMethaneLevelCritical()
[L863] int retValue_acc ;
[L866] retValue_acc = methaneLevelCritical
[L867] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L252] RET, EXPR isMethaneLevelCritical()
[L252] retValue_acc = isMethaneLevelCritical()
[L254] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L227] RET, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L227] tmp = isMethaneAlarm()
[L229] COND FALSE !(\read(tmp))
[L233] CALL activatePump__wrappee__highWaterSensor()
[L218] pumpRunning = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L233] RET activatePump__wrappee__highWaterSensor()
[L173] RET activatePump()
[L208] RET processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L144] RET processEnvironment()
[L150] CALL __utac_acc__Specification4_spec__1()
[L700] int tmp ;
[L701] int tmp___0 ;
[L705] CALL, EXPR getWaterLevel()
[L895] int retValue_acc ;
[L898] retValue_acc = waterLevel
[L899] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L705] RET, EXPR getWaterLevel()
[L705] tmp = getWaterLevel()
[L707] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L150] RET __utac_acc__Specification4_spec__1()
[L107] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L64] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L66] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L72] tmp = __VERIFIER_nondet_int()
[L74] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L82] tmp___0 = __VERIFIER_nondet_int()
[L84] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L92] tmp___2 = __VERIFIER_nondet_int()
[L94] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=2]
[L107] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L135] COND TRUE \read(pumpRunning)
[L137] CALL lowerWaterLevel()
[L830] COND TRUE waterLevel > 0
[L831] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L137] RET lowerWaterLevel()
[L142] COND TRUE \read(systemActive)
[L144] CALL processEnvironment()
[L190] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L193] COND TRUE \read(pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L195] CALL, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L248] int retValue_acc ;
[L252] CALL, EXPR isMethaneLevelCritical()
[L863] int retValue_acc ;
[L866] retValue_acc = methaneLevelCritical
[L867] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1]
[L252] RET, EXPR isMethaneLevelCritical()
[L252] retValue_acc = isMethaneLevelCritical()
[L254] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1]
[L195] RET, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L195] tmp = isMethaneAlarm()
[L197] COND FALSE !(\read(tmp))
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1]
[L203] CALL processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L164] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L167] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L182] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L203] RET processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1]
[L144] RET processEnvironment()
[L150] CALL __utac_acc__Specification4_spec__1()
[L700] int tmp ;
[L701] int tmp___0 ;
[L705] CALL, EXPR getWaterLevel()
[L895] int retValue_acc ;
[L898] retValue_acc = waterLevel
[L899] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L705] RET, EXPR getWaterLevel()
[L705] tmp = getWaterLevel()
[L707] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L150] RET __utac_acc__Specification4_spec__1()
[L107] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L64] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L66] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L72] tmp = __VERIFIER_nondet_int()
[L74] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L82] tmp___0 = __VERIFIER_nondet_int()
[L84] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L92] tmp___2 = __VERIFIER_nondet_int()
[L94] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=2147483648, waterLevel=1]
[L107] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L135] COND TRUE \read(pumpRunning)
[L137] CALL lowerWaterLevel()
[L830] COND TRUE waterLevel > 0
[L831] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L137] RET lowerWaterLevel()
[L142] COND TRUE \read(systemActive)
[L144] CALL processEnvironment()
[L190] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L193] COND TRUE \read(pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L195] CALL, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L248] int retValue_acc ;
[L252] CALL, EXPR isMethaneLevelCritical()
[L863] int retValue_acc ;
[L866] retValue_acc = methaneLevelCritical
[L867] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L252] RET, EXPR isMethaneLevelCritical()
[L252] retValue_acc = isMethaneLevelCritical()
[L254] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L195] RET, EXPR isMethaneAlarm()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L195] tmp = isMethaneAlarm()
[L197] COND FALSE !(\read(tmp))
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L203] CALL processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L164] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L167] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L182] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L203] RET processEnvironment__wrappee__methaneQuery()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L144] RET processEnvironment()
[L150] CALL __utac_acc__Specification4_spec__1()
[L700] int tmp ;
[L701] int tmp___0 ;
[L705] CALL, EXPR getWaterLevel()
[L895] int retValue_acc ;
[L898] retValue_acc = waterLevel
[L899] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L705] RET, EXPR getWaterLevel()
[L705] tmp = getWaterLevel()
[L707] COND TRUE tmp == 0
[L709] CALL, EXPR isPumpRunning()
[L259] int retValue_acc ;
[L262] retValue_acc = pumpRunning
[L263] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L709] RET, EXPR isPumpRunning()
[L709] tmp___0 = isPumpRunning()
[L711] COND TRUE \read(tmp___0)
[L713] CALL __automaton_fail()
[L327] reach_error()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 8 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1609 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1565 mSDsluCounter, 6200 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4392 mSDsCounter, 328 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2363 IncrementalHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 328 mSolverCounterUnsat, 1808 mSDtfsCounter, 2363 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 858 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1024occurred in iteration=16, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 423 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 971 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 2137 SizeOfPredicates, 40 NumberOfNonLiveVariables, 2956 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 127/148 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
RESULT: Ultimate proved your program to be incorrect!
[2022-01-10 06:34:57,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...