/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/array-examples/standard_vector_difference_ground.i


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 09:32:03,270 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 09:32:03,272 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 09:32:03,318 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 09:32:03,318 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 09:32:03,319 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 09:32:03,323 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2022-01-10 09:32:03,327 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 09:32:03,328 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-01-10 09:32:03,329 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 09:32:03,329 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 09:32:03,330 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 09:32:03,330 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 09:32:03,331 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 09:32:03,331 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 09:32:03,332 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 09:32:03,333 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 09:32:03,334 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 09:32:03,335 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 09:32:03,342 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 09:32:03,345 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 09:32:03,346 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 09:32:03,349 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 09:32:03,350 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 09:32:03,350 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 09:32:03,350 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 09:32:03,350 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 09:32:03,351 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 09:32:03,351 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 09:32:03,351 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 09:32:03,352 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 09:32:03,352 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 09:32:03,353 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 09:32:03,353 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 09:32:03,353 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 09:32:03,354 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 09:32:03,354 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 09:32:03,354 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 09:32:03,355 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 09:32:03,359 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf
[2022-01-10 09:32:03,386 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 09:32:03,386 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 09:32:03,386 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 09:32:03,386 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 09:32:03,387 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 09:32:03,387 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 09:32:03,387 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 09:32:03,387 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 09:32:03,387 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 09:32:03,388 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 09:32:03,389 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 09:32:03,389 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 09:32:03,389 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-10 09:32:03,390 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 09:32:03,391 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-10 09:32:03,391 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_BITWISE
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 09:32:03,537 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 09:32:03,553 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 09:32:03,555 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 09:32:03,555 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 09:32:03,556 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 09:32:03,556 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_vector_difference_ground.i
[2022-01-10 09:32:03,589 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959095341/d1e12fd1207b4f51abfb1971a8c8e2d9/FLAG690820b03
[2022-01-10 09:32:03,929 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 09:32:03,929 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_vector_difference_ground.i
[2022-01-10 09:32:03,933 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959095341/d1e12fd1207b4f51abfb1971a8c8e2d9/FLAG690820b03
[2022-01-10 09:32:04,372 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959095341/d1e12fd1207b4f51abfb1971a8c8e2d9
[2022-01-10 09:32:04,373 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 09:32:04,376 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-10 09:32:04,377 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 09:32:04,377 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 09:32:04,379 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 09:32:04,380 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,381 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654404b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04, skipping insertion in model container
[2022-01-10 09:32:04,381 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,386 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 09:32:04,397 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 09:32:04,519 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_vector_difference_ground.i[826,839]
[2022-01-10 09:32:04,528 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 09:32:04,533 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 09:32:04,542 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_vector_difference_ground.i[826,839]
[2022-01-10 09:32:04,547 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 09:32:04,556 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 09:32:04,556 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04 WrapperNode
[2022-01-10 09:32:04,556 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 09:32:04,557 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 09:32:04,557 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 09:32:04,557 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 09:32:04,572 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,577 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,593 INFO  L137                Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71
[2022-01-10 09:32:04,594 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 09:32:04,594 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 09:32:04,594 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 09:32:04,594 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 09:32:04,600 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,600 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,617 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,617 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,621 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,624 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,624 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,626 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 09:32:04,626 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 09:32:04,626 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 09:32:04,626 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 09:32:04,630 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,634 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 09:32:04,641 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 09:32:04,650 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 09:32:04,652 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 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-01-10 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-01-10 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 09:32:04,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 09:32:04,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-10 09:32:04,679 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-01-10 09:32:04,747 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 09:32:04,749 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 09:32:04,902 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 09:32:04,908 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 09:32:04,908 INFO  L299             CfgBuilder]: Removed 3 assume(true) statements.
[2022-01-10 09:32:04,909 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:32:04 BoogieIcfgContainer
[2022-01-10 09:32:04,910 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 09:32:04,910 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-10 09:32:04,910 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-10 09:32:04,911 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-10 09:32:04,913 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:32:04" (1/1) ...
[2022-01-10 09:32:04,997 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:32:04 BasicIcfg
[2022-01-10 09:32:04,997 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-10 09:32:04,998 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 09:32:04,998 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 09:32:05,000 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 09:32:05,000 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:32:04" (1/4) ...
[2022-01-10 09:32:05,000 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ee4f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:32:05, skipping insertion in model container
[2022-01-10 09:32:05,001 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:32:04" (2/4) ...
[2022-01-10 09:32:05,001 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ee4f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:32:05, skipping insertion in model container
[2022-01-10 09:32:05,001 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:32:04" (3/4) ...
[2022-01-10 09:32:05,001 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ee4f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:32:05, skipping insertion in model container
[2022-01-10 09:32:05,001 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:32:04" (4/4) ...
[2022-01-10 09:32:05,002 INFO  L111   eAbstractionObserver]: Analyzing ICFG standard_vector_difference_ground.iTransformedIcfg
[2022-01-10 09:32:05,005 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 09:32:05,005 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 09:32:05,032 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 09:32:05,038 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 09:32:05,038 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 09:32:05,046 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-01-10 09:32:05,050 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 09:32:05,050 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 09:32:05,051 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 09:32:05,055 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 09:32:05,055 INFO  L85        PathProgramCache]: Analyzing trace with hash 520869441, now seen corresponding path program 1 times
[2022-01-10 09:32:05,060 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 09:32:05,060 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749518437]
[2022-01-10 09:32:05,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:05,061 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 09:32:05,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:05,237 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 09:32:05,237 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 09:32:05,238 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749518437]
[2022-01-10 09:32:05,238 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749518437] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 09:32:05,238 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 09:32:05,238 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 09:32:05,239 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052583767]
[2022-01-10 09:32:05,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 09:32:05,243 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 09:32:05,244 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 09:32:05,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 09:32:05,266 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 09:32:05,267 INFO  L87              Difference]: Start difference. First operand  has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 09:32:05,281 INFO  L93              Difference]: Finished difference Result 30 states and 40 transitions.
[2022-01-10 09:32:05,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 09:32:05,283 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-01-10 09:32:05,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 09:32:05,287 INFO  L225             Difference]: With dead ends: 30
[2022-01-10 09:32:05,288 INFO  L226             Difference]: Without dead ends: 13
[2022-01-10 09:32:05,289 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 09:32:05,292 INFO  L933         BasicCegarLoop]: 19 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, 19 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 09:32:05,294 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 09:32:05,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2022-01-10 09:32:05,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2022-01-10 09:32:05,315 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2022-01-10 09:32:05,317 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9
[2022-01-10 09:32:05,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 09:32:05,317 INFO  L470      AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2022-01-10 09:32:05,318 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2022-01-10 09:32:05,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-01-10 09:32:05,319 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 09:32:05,320 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 09:32:05,320 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-10 09:32:05,320 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 09:32:05,323 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 09:32:05,323 INFO  L85        PathProgramCache]: Analyzing trace with hash 1409296643, now seen corresponding path program 1 times
[2022-01-10 09:32:05,323 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 09:32:05,323 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688182328]
[2022-01-10 09:32:05,323 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:05,323 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 09:32:05,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:05,440 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 09:32:05,440 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 09:32:05,440 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688182328]
[2022-01-10 09:32:05,440 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688182328] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 09:32:05,440 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 09:32:05,440 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-10 09:32:05,441 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523727150]
[2022-01-10 09:32:05,441 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 09:32:05,441 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-10 09:32:05,442 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 09:32:05,442 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-10 09:32:05,442 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 09:32:05,442 INFO  L87              Difference]: Start difference. First operand 13 states and 15 transitions. Second operand  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 09:32:05,482 INFO  L93              Difference]: Finished difference Result 25 states and 30 transitions.
[2022-01-10 09:32:05,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-10 09:32:05,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-01-10 09:32:05,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 09:32:05,484 INFO  L225             Difference]: With dead ends: 25
[2022-01-10 09:32:05,484 INFO  L226             Difference]: Without dead ends: 16
[2022-01-10 09:32:05,486 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 09:32:05,487 INFO  L933         BasicCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 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 09:32:05,487 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 09:32:05,488 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2022-01-10 09:32:05,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15.
[2022-01-10 09:32:05,490 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2022-01-10 09:32:05,490 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9
[2022-01-10 09:32:05,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 09:32:05,490 INFO  L470      AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2022-01-10 09:32:05,490 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:05,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2022-01-10 09:32:05,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-01-10 09:32:05,491 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 09:32:05,491 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 09:32:05,493 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-10 09:32:05,494 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 09:32:05,494 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 09:32:05,494 INFO  L85        PathProgramCache]: Analyzing trace with hash -1340812949, now seen corresponding path program 1 times
[2022-01-10 09:32:05,494 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 09:32:05,495 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728420548]
[2022-01-10 09:32:05,495 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:05,495 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 09:32:05,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:05,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-01-10 09:32:05,614 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 09:32:05,614 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728420548]
[2022-01-10 09:32:05,614 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728420548] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 09:32:05,615 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28531520]
[2022-01-10 09:32:05,615 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:05,615 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 09:32:05,615 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 09:32:05,617 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-10 09:32:05,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-01-10 09:32:05,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:05,709 INFO  L263         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-01-10 09:32:05,712 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 09:32:05,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-01-10 09:32:05,864 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 09:32:05,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-01-10 09:32:05,913 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [28531520] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 09:32:05,914 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-10 09:32:05,915 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2022-01-10 09:32:05,915 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684599783]
[2022-01-10 09:32:05,916 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-10 09:32:05,917 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-10 09:32:05,917 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 09:32:05,917 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-10 09:32:05,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2022-01-10 09:32:05,918 INFO  L87              Difference]: Start difference. First operand 15 states and 17 transitions. Second operand  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:06,072 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 09:32:06,073 INFO  L93              Difference]: Finished difference Result 34 states and 43 transitions.
[2022-01-10 09:32:06,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-01-10 09:32:06,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2022-01-10 09:32:06,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 09:32:06,074 INFO  L225             Difference]: With dead ends: 34
[2022-01-10 09:32:06,074 INFO  L226             Difference]: Without dead ends: 24
[2022-01-10 09:32:06,075 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2022-01-10 09:32:06,075 INFO  L933         BasicCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 09:32:06,076 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 44 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 09:32:06,076 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2022-01-10 09:32:06,079 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2022-01-10 09:32:06,079 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:06,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2022-01-10 09:32:06,080 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 12
[2022-01-10 09:32:06,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 09:32:06,080 INFO  L470      AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2022-01-10 09:32:06,080 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:06,080 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2022-01-10 09:32:06,081 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2022-01-10 09:32:06,081 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 09:32:06,081 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 09:32:06,100 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-01-10 09:32:06,299 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 09:32:06,300 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 09:32:06,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 09:32:06,301 INFO  L85        PathProgramCache]: Analyzing trace with hash -844125189, now seen corresponding path program 2 times
[2022-01-10 09:32:06,301 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 09:32:06,301 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676398540]
[2022-01-10 09:32:06,301 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:06,301 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 09:32:06,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:06,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-01-10 09:32:06,530 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 09:32:06,530 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676398540]
[2022-01-10 09:32:06,530 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676398540] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 09:32:06,530 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905737984]
[2022-01-10 09:32:06,530 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-01-10 09:32:06,530 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 09:32:06,531 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 09:32:06,543 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-10 09:32:06,544 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-01-10 09:32:06,907 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-01-10 09:32:06,907 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-10 09:32:06,909 INFO  L263         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 26 conjunts are in the unsatisfiable core
[2022-01-10 09:32:06,911 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 09:32:07,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-01-10 09:32:07,817 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 09:32:09,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2022-01-10 09:32:09,626 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [905737984] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 09:32:09,626 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-10 09:32:09,626 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16
[2022-01-10 09:32:09,627 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029241971]
[2022-01-10 09:32:09,627 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-10 09:32:09,627 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-01-10 09:32:09,627 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 09:32:09,627 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-01-10 09:32:09,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240
[2022-01-10 09:32:09,628 INFO  L87              Difference]: Start difference. First operand 24 states and 26 transitions. Second operand  has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:17,588 WARN  L228               SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-01-10 09:32:34,701 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 09:32:34,701 INFO  L93              Difference]: Finished difference Result 54 states and 68 transitions.
[2022-01-10 09:32:34,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-01-10 09:32:34,701 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2022-01-10 09:32:34,702 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 09:32:34,702 INFO  L225             Difference]: With dead ends: 54
[2022-01-10 09:32:34,702 INFO  L226             Difference]: Without dead ends: 41
[2022-01-10 09:32:34,704 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=165, Invalid=292, Unknown=5, NotChecked=0, Total=462
[2022-01-10 09:32:34,704 INFO  L933         BasicCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-01-10 09:32:34,705 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 60 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 57 Invalid, 0 Unknown, 29 Unchecked, 1.4s Time]
[2022-01-10 09:32:34,705 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2022-01-10 09:32:34,711 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2022-01-10 09:32:34,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 40 states have (on average 1.075) internal successors, (43), 40 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:34,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions.
[2022-01-10 09:32:34,711 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 21
[2022-01-10 09:32:34,712 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 09:32:34,712 INFO  L470      AbstractCegarLoop]: Abstraction has 41 states and 43 transitions.
[2022-01-10 09:32:34,712 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 09:32:34,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions.
[2022-01-10 09:32:34,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2022-01-10 09:32:34,712 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 09:32:34,713 INFO  L514         BasicCegarLoop]: trace histogram [10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 09:32:34,733 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-01-10 09:32:34,920 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2022-01-10 09:32:34,921 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 09:32:34,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 09:32:34,922 INFO  L85        PathProgramCache]: Analyzing trace with hash -1744764387, now seen corresponding path program 3 times
[2022-01-10 09:32:34,922 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 09:32:34,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611257007]
[2022-01-10 09:32:34,924 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 09:32:34,924 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 09:32:35,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 09:32:35,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2022-01-10 09:32:35,278 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 09:32:35,279 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611257007]
[2022-01-10 09:32:35,279 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611257007] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 09:32:35,279 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663101359]
[2022-01-10 09:32:35,279 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-01-10 09:32:35,279 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 09:32:35,279 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 09:32:35,292 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-10 09:32:35,293 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-01-10 09:33:18,530 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2022-01-10 09:33:18,530 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-10 09:33:18,577 INFO  L263         TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 110 conjunts are in the unsatisfiable core
[2022-01-10 09:33:18,584 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 09:33:18,607 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12
[2022-01-10 09:33:19,621 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:19,624 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:19,625 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36
[2022-01-10 09:33:19,684 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:19,685 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:19,688 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:19,689 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:19,784 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:19,785 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:19,788 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:19,788 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:19,858 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:19,859 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:19,862 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:19,862 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:19,935 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:19,936 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:19,939 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:19,939 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:20,021 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:20,022 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:20,025 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:20,026 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:20,097 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:20,098 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:20,101 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:20,101 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:20,165 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:20,166 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:20,169 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:20,169 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:20,244 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 09:33:20,245 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 09:33:20,261 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 09:33:20,262 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50
[2022-01-10 09:33:20,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 145 backedges. 28 proven. 81 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2022-01-10 09:33:20,385 INFO  L328         TraceCheckSpWp]: Computing backward predicates...