/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/xcsp/Dubois-019.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 07:30:10,162 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 07:30:10,165 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 07:30:10,248 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 07:30:10,248 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 07:30:10,251 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 07:30:10,255 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 07:30:10,257 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 07:30:10,259 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 07:30:10,263 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-10 07:30:10,264 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-01-10 07:30:10,265 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 07:30:10,265 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 07:30:10,267 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 07:30:10,268 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 07:30:10,270 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 07:30:10,271 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 07:30:10,272 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 07:30:10,274 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 07:30:10,279 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 07:30:10,280 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 07:30:10,284 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 07:30:10,286 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 07:30:10,286 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 07:30:10,292 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 07:30:10,292 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 07:30:10,292 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 07:30:10,294 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 07:30:10,294 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 07:30:10,295 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 07:30:10,295 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 07:30:10,296 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 07:30:10,297 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 07:30:10,298 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 07:30:10,299 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 07:30:10,299 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 07:30:10,300 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 07:30:10,300 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 07:30:10,300 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 07:30:10,301 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 07:30:10,301 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 07:30:10,302 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 07:30:10,332 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 07:30:10,332 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 07:30:10,333 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 07:30:10,333 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 07:30:10,333 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-10 07:30:10,333 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-10 07:30:10,334 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 07:30:10,334 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 07:30:10,334 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 07:30:10,334 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 07:30:10,335 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 07:30:10,335 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 07:30:10,335 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 07:30:10,335 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 07:30:10,335 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 07:30:10,336 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 07:30:10,336 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 07:30:10,337 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 07:30:10,338 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 07:30:10,339 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 07:30:10,339 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 07:30:10,558 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 07:30:10,580 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 07:30:10,582 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 07:30:10,583 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 07:30:10,583 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 07:30:10,584 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-019.c
[2022-01-10 07:30:10,642 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad158ef/f5f91fbd953b4ac5ba7ac067268f10d1/FLAG3155fe808
[2022-01-10 07:30:11,104 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 07:30:11,104 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-019.c
[2022-01-10 07:30:11,112 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad158ef/f5f91fbd953b4ac5ba7ac067268f10d1/FLAG3155fe808
[2022-01-10 07:30:11,610 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad158ef/f5f91fbd953b4ac5ba7ac067268f10d1
[2022-01-10 07:30:11,612 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 07:30:11,613 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-01-10 07:30:11,615 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 07:30:11,615 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 07:30:11,617 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 07:30:11,618 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:11,618 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727edfc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11, skipping insertion in model container
[2022-01-10 07:30:11,618 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:11,626 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 07:30:11,659 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 07:30:11,881 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-019.c[13716,13729]
[2022-01-10 07:30:11,888 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 07:30:11,908 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 07:30:11,965 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-019.c[13716,13729]
[2022-01-10 07:30:11,968 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 07:30:11,979 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 07:30:11,980 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11 WrapperNode
[2022-01-10 07:30:11,980 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 07:30:11,981 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 07:30:11,981 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 07:30:11,981 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 07:30:11,992 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,006 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,063 INFO  L137                Inliner]: procedures = 13, calls = 159, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 340
[2022-01-10 07:30:12,064 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 07:30:12,065 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 07:30:12,065 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 07:30:12,066 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 07:30:12,073 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,074 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,083 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,084 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,115 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,128 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,132 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,138 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 07:30:12,139 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 07:30:12,139 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 07:30:12,139 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 07:30:12,140 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (1/1) ...
[2022-01-10 07:30:12,155 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 07:30:12,166 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 07:30:12,180 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 07:30:12,204 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 07:30:12,224 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 07:30:12,225 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 07:30:12,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 07:30:12,225 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 07:30:12,225 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2022-01-10 07:30:12,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2022-01-10 07:30:12,323 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 07:30:12,324 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 07:30:12,721 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 07:30:12,745 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 07:30:12,745 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-01-10 07:30:12,750 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:30:12 BoogieIcfgContainer
[2022-01-10 07:30:12,751 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 07:30:12,752 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 07:30:12,752 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 07:30:12,756 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 07:30:12,756 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:30:11" (1/3) ...
[2022-01-10 07:30:12,756 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d67b3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:30:12, skipping insertion in model container
[2022-01-10 07:30:12,757 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:30:11" (2/3) ...
[2022-01-10 07:30:12,757 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d67b3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:30:12, skipping insertion in model container
[2022-01-10 07:30:12,757 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:30:12" (3/3) ...
[2022-01-10 07:30:12,758 INFO  L111   eAbstractionObserver]: Analyzing ICFG Dubois-019.c
[2022-01-10 07:30:12,762 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 07:30:12,762 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 07:30:12,818 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 07:30:12,826 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 07:30:12,826 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 07:30:12,858 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 220 states, 65 states have (on average 1.0307692307692307) internal successors, (67), 66 states have internal predecessors, (67), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152)
[2022-01-10 07:30:12,900 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 821
[2022-01-10 07:30:12,901 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 07:30:12,902 INFO  L514         BasicCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:12,903 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 07:30:12,909 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 07:30:12,909 INFO  L85        PathProgramCache]: Analyzing trace with hash -122620394, now seen corresponding path program 1 times
[2022-01-10 07:30:12,923 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 07:30:12,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343423170]
[2022-01-10 07:30:12,924 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 07:30:12,924 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 07:30:12,924 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 07:30:12,926 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 07:30:12,928 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 07:30:13,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 07:30:13,427 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-01-10 07:30:13,474 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 07:30:14,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 45904 backedges. 22478 proven. 0 refuted. 0 times theorem prover too weak. 23426 trivial. 0 not checked.
[2022-01-10 07:30:14,734 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 07:30:14,735 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 07:30:14,735 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343423170]
[2022-01-10 07:30:14,735 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [343423170] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 07:30:14,736 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 07:30:14,736 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 07:30:14,738 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478074860]
[2022-01-10 07:30:14,738 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 07:30:14,746 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 07:30:14,746 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 07:30:14,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 07:30:14,774 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 07:30:14,777 INFO  L87              Difference]: Start difference. First operand  has 220 states, 65 states have (on average 1.0307692307692307) internal successors, (67), 66 states have internal predecessors, (67), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) Second operand  has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152)
[2022-01-10 07:30:14,826 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 07:30:14,827 INFO  L93              Difference]: Finished difference Result 434 states and 888 transitions.
[2022-01-10 07:30:14,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 07:30:14,829 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 820
[2022-01-10 07:30:14,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 07:30:14,837 INFO  L225             Difference]: With dead ends: 434
[2022-01-10 07:30:14,837 INFO  L226             Difference]: Without dead ends: 217
[2022-01-10 07:30:14,844 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 819 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 07:30:14,847 INFO  L933         BasicCegarLoop]: 367 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, 367 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 07:30:14,848 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 07:30:14,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2022-01-10 07:30:14,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2022-01-10 07:30:14,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 217 states, 63 states have (on average 1.0) internal successors, (63), 63 states have internal predecessors, (63), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152)
[2022-01-10 07:30:14,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 367 transitions.
[2022-01-10 07:30:14,960 INFO  L78                 Accepts]: Start accepts. Automaton has 217 states and 367 transitions. Word has length 820
[2022-01-10 07:30:14,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 07:30:14,962 INFO  L470      AbstractCegarLoop]: Abstraction has 217 states and 367 transitions.
[2022-01-10 07:30:14,962 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152)
[2022-01-10 07:30:14,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 217 states and 367 transitions.
[2022-01-10 07:30:14,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 821
[2022-01-10 07:30:14,983 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 07:30:14,984 INFO  L514         BasicCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:15,006 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 07:30:15,200 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 07:30:15,201 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 07:30:15,201 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 07:30:15,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -763287658, now seen corresponding path program 1 times
[2022-01-10 07:30:15,204 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 07:30:15,204 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068060928]
[2022-01-10 07:30:15,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 07:30:15,204 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 07:30:15,204 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 07:30:15,207 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 07:30:15,211 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 07:30:51,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 07:30:51,398 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 282 conjunts are in the unsatisfiable core
[2022-01-10 07:30:51,439 INFO  L286         TraceCheckSpWp]: Computing forward predicates...