/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_SUM.epf -i ../../../trunk/examples/svcomp/array-tiling/pnr4.c


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-11 03:05:26,528 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-11 03:05:26,529 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-11 03:05:26,597 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-11 03:05:26,597 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-11 03:05:26,598 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-11 03:05:26,604 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-11 03:05:26,610 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-11 03:05:26,612 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-11 03:05:26,617 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-01-11 03:05:26,619 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-11 03:05:26,619 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-11 03:05:26,620 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-11 03:05:26,621 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-11 03:05:26,621 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-11 03:05:26,622 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-11 03:05:26,623 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-11 03:05:26,624 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-11 03:05:26,625 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-11 03:05:26,626 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-11 03:05:26,630 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-11 03:05:26,632 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-11 03:05:26,633 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-11 03:05:26,643 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-11 03:05:26,643 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-11 03:05:26,644 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-11 03:05:26,644 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-11 03:05:26,645 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-11 03:05:26,645 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-11 03:05:26,645 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-11 03:05:26,646 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-11 03:05:26,647 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-11 03:05:26,647 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-11 03:05:26,648 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-11 03:05:26,648 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-11 03:05:26,648 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-11 03:05:26,649 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-11 03:05:26,649 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-11 03:05:26,650 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-11 03:05:26,653 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf
[2022-01-11 03:05:26,683 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-11 03:05:26,685 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-11 03:05:26,686 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-11 03:05:26,686 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-11 03:05:26,687 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-11 03:05:26,687 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-11 03:05:26,687 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-11 03:05:26,687 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-11 03:05:26,687 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-11 03:05:26,688 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-11 03:05:26,688 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-11 03:05:26,688 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-11 03:05:26,689 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-11 03:05:26,689 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-11 03:05:26,690 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 03:05:26,691 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-11 03:05:26,691 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-11 03:05:26,692 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-11 03:05:26,692 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-11 03:05:26,692 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-11 03:05:26,692 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-11 03:05:26,694 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-11 03:05:26,694 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_SUM
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-11 03:05:26,904 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-11 03:05:26,921 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-11 03:05:26,923 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-11 03:05:26,924 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-11 03:05:26,925 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-11 03:05:26,926 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr4.c
[2022-01-11 03:05:26,989 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abbf227/9ea1a1d2e333411fbeedb9ea72b71082/FLAG0edcdaa33
[2022-01-11 03:05:27,329 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-11 03:05:27,329 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr4.c
[2022-01-11 03:05:27,334 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abbf227/9ea1a1d2e333411fbeedb9ea72b71082/FLAG0edcdaa33
[2022-01-11 03:05:27,343 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abbf227/9ea1a1d2e333411fbeedb9ea72b71082
[2022-01-11 03:05:27,346 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-11 03:05:27,347 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-11 03:05:27,350 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-11 03:05:27,350 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-11 03:05:27,353 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-11 03:05:27,353 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,354 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3225aa8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27, skipping insertion in model container
[2022-01-11 03:05:27,354 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,360 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-11 03:05:27,375 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-11 03:05:27,516 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-tiling/pnr4.c[395,408]
[2022-01-11 03:05:27,566 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 03:05:27,573 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-11 03:05:27,582 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-tiling/pnr4.c[395,408]
[2022-01-11 03:05:27,591 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 03:05:27,601 INFO  L208         MainTranslator]: Completed translation
[2022-01-11 03:05:27,602 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27 WrapperNode
[2022-01-11 03:05:27,602 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-11 03:05:27,602 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-11 03:05:27,603 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-11 03:05:27,603 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-11 03:05:27,607 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,614 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,631 INFO  L137                Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102
[2022-01-11 03:05:27,632 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-11 03:05:27,632 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-11 03:05:27,632 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-11 03:05:27,632 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-11 03:05:27,639 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,639 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,642 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,642 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,649 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,653 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,654 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,656 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-11 03:05:27,657 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-11 03:05:27,657 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-11 03:05:27,657 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-11 03:05:27,658 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:27,668 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 03:05:27,678 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 03:05:27,690 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)
[2022-01-11 03:05:27,714 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
[2022-01-11 03:05:27,733 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-11 03:05:27,733 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-11 03:05:27,733 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-01-11 03:05:27,733 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-01-11 03:05:27,734 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-11 03:05:27,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-11 03:05:27,734 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-01-11 03:05:27,794 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-11 03:05:27,795 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-11 03:05:27,986 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-11 03:05:27,991 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-11 03:05:27,992 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2022-01-11 03:05:27,993 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:05:27 BoogieIcfgContainer
[2022-01-11 03:05:27,993 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-11 03:05:27,994 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-11 03:05:27,994 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-11 03:05:27,995 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-11 03:05:27,997 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:05:27" (1/1) ...
[2022-01-11 03:05:28,171 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:05:28 BasicIcfg
[2022-01-11 03:05:28,171 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-11 03:05:28,172 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-11 03:05:28,172 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-11 03:05:28,175 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-11 03:05:28,175 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:05:27" (1/4) ...
[2022-01-11 03:05:28,175 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8f233d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:05:28, skipping insertion in model container
[2022-01-11 03:05:28,175 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:05:27" (2/4) ...
[2022-01-11 03:05:28,176 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8f233d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:05:28, skipping insertion in model container
[2022-01-11 03:05:28,176 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:05:27" (3/4) ...
[2022-01-11 03:05:28,176 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8f233d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:05:28, skipping insertion in model container
[2022-01-11 03:05:28,176 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:05:28" (4/4) ...
[2022-01-11 03:05:28,177 INFO  L111   eAbstractionObserver]: Analyzing ICFG pnr4.cTransformedIcfg
[2022-01-11 03:05:28,181 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-11 03:05:28,181 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-11 03:05:28,213 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-11 03:05:28,219 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
[2022-01-11 03:05:28,219 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-11 03:05:28,229 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 30 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 29 states have internal predecessors, (41), 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)
[2022-01-11 03:05:28,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-01-11 03:05:28,233 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 03:05:28,234 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 03:05:28,234 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 03:05:28,238 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 03:05:28,239 INFO  L85        PathProgramCache]: Analyzing trace with hash 1704359883, now seen corresponding path program 1 times
[2022-01-11 03:05:28,246 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 03:05:28,246 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138210913]
[2022-01-11 03:05:28,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 03:05:28,247 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 03:05:28,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 03:05:28,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 03:05:28,472 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 03:05:28,472 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138210913]
[2022-01-11 03:05:28,473 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138210913] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 03:05:28,473 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 03:05:28,473 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-11 03:05:28,475 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217789512]
[2022-01-11 03:05:28,475 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 03:05:28,479 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-11 03:05:28,479 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 03:05:28,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-11 03:05:28,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-11 03:05:28,521 INFO  L87              Difference]: Start difference. First operand  has 30 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 29 states have internal predecessors, (41), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2022-01-11 03:05:28,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 03:05:28,544 INFO  L93              Difference]: Finished difference Result 55 states and 74 transitions.
[2022-01-11 03:05:28,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-11 03:05:28,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2022-01-11 03:05:28,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 03:05:28,552 INFO  L225             Difference]: With dead ends: 55
[2022-01-11 03:05:28,552 INFO  L226             Difference]: Without dead ends: 26
[2022-01-11 03:05:28,554 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
[2022-01-11 03:05:28,557 INFO  L933         BasicCegarLoop]: 37 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, 37 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
[2022-01-11 03:05:28,558 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-11 03:05:28,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-01-11 03:05:28,582 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2022-01-11 03:05:28,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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)
[2022-01-11 03:05:28,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2022-01-11 03:05:28,584 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 11
[2022-01-11 03:05:28,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 03:05:28,585 INFO  L470      AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2022-01-11 03:05:28,585 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2022-01-11 03:05:28,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2022-01-11 03:05:28,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-01-11 03:05:28,586 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 03:05:28,586 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 03:05:28,586 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-11 03:05:28,586 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 03:05:28,587 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 03:05:28,587 INFO  L85        PathProgramCache]: Analyzing trace with hash -1702180211, now seen corresponding path program 1 times
[2022-01-11 03:05:28,587 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 03:05:28,587 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653066428]
[2022-01-11 03:05:28,587 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 03:05:28,588 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 03:05:28,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 03:05:29,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 03:05:29,503 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 03:05:29,503 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653066428]
[2022-01-11 03:05:29,503 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653066428] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 03:05:29,503 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 03:05:29,503 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-01-11 03:05:29,503 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214744859]
[2022-01-11 03:05:29,504 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 03:05:29,504 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-01-11 03:05:29,505 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 03:05:29,505 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-01-11 03:05:29,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-01-11 03:05:29,506 INFO  L87              Difference]: Start difference. First operand 26 states and 31 transitions. Second operand  has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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)
[2022-01-11 03:05:29,696 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 03:05:29,696 INFO  L93              Difference]: Finished difference Result 46 states and 56 transitions.
[2022-01-11 03:05:29,697 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-01-11 03:05:29,697 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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 11
[2022-01-11 03:05:29,697 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 03:05:29,698 INFO  L225             Difference]: With dead ends: 46
[2022-01-11 03:05:29,698 INFO  L226             Difference]: Without dead ends: 39
[2022-01-11 03:05:29,698 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2022-01-11 03:05:29,699 INFO  L933         BasicCegarLoop]: 17 mSDtfsCounter, 147 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-11 03:05:29,700 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 29 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-11 03:05:29,701 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2022-01-11 03:05:29,706 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27.
[2022-01-11 03:05:29,706 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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)
[2022-01-11 03:05:29,707 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions.
[2022-01-11 03:05:29,708 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 11
[2022-01-11 03:05:29,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 03:05:29,709 INFO  L470      AbstractCegarLoop]: Abstraction has 27 states and 32 transitions.
[2022-01-11 03:05:29,709 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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)
[2022-01-11 03:05:29,710 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions.
[2022-01-11 03:05:29,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-01-11 03:05:29,714 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 03:05:29,717 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 03:05:29,717 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-11 03:05:29,718 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 03:05:29,718 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 03:05:29,718 INFO  L85        PathProgramCache]: Analyzing trace with hash 1778160735, now seen corresponding path program 1 times
[2022-01-11 03:05:29,718 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 03:05:29,719 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253974804]
[2022-01-11 03:05:29,719 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 03:05:29,719 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 03:05:29,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 03:05:30,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 03:05:30,774 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 03:05:30,774 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253974804]
[2022-01-11 03:05:30,775 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253974804] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-11 03:05:30,775 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525881622]
[2022-01-11 03:05:30,775 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 03:05:30,775 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 03:05:30,776 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 03:05:30,783 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)
[2022-01-11 03:05:30,811 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-01-11 03:05:31,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 03:05:31,084 INFO  L263         TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjunts are in the unsatisfiable core
[2022-01-11 03:05:31,093 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 03:05:31,280 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39
[2022-01-11 03:05:31,387 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:31,388 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83
[2022-01-11 03:05:31,593 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:31,595 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:31,597 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:31,602 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-01-11 03:05:31,603 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 126
[2022-01-11 03:05:32,126 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,128 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,130 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,132 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,133 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,135 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,138 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-01-11 03:05:32,139 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55
[2022-01-11 03:05:32,484 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,486 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,489 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,490 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,492 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,494 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-11 03:05:32,496 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,498 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-11 03:05:32,501 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-01-11 03:05:32,502 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 36
[2022-01-11 03:05:32,536 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 03:05:32,537 INFO  L328         TraceCheckSpWp]: Computing backward predicates...