/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_LAZY.epf -i ../../../trunk/examples/svcomp/float-benchs/zonotope_3.c


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 17:38:46,866 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 17:38:46,868 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 17:38:46,933 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 17:38:46,933 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 17:38:46,934 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 17:38:46,935 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 17:38:46,937 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 17:38:46,938 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 17:38:46,939 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-01-10 17:38:46,940 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 17:38:46,941 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 17:38:46,941 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 17:38:46,942 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 17:38:46,944 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 17:38:46,945 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 17:38:46,946 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 17:38:46,947 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 17:38:46,949 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 17:38:46,950 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 17:38:46,951 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 17:38:46,952 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 17:38:46,953 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 17:38:46,955 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 17:38:46,956 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 17:38:46,956 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 17:38:46,957 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 17:38:46,957 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 17:38:46,958 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 17:38:46,958 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 17:38:46,959 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 17:38:46,959 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 17:38:46,960 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 17:38:46,961 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 17:38:46,961 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 17:38:46,962 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 17:38:46,962 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 17:38:46,962 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 17:38:46,963 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 17:38:46,964 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 17:38:46,964 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf
[2022-01-10 17:38:46,981 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 17:38:46,981 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 17:38:46,982 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 17:38:46,982 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 17:38:46,983 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 17:38:46,983 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 17:38:46,983 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 17:38:46,983 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 17:38:46,984 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 17:38:46,985 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 17:38:46,985 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 17:38:46,986 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 17:38:46,986 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 17:38:46,986 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 17:38:46,986 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 17:38:46,986 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-10 17:38:46,986 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-10 17:38:46,987 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 17:38:46,987 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 17:38:46,987 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 17:38:46,987 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-10 17:38:46,987 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 17:38:46,988 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-10 17:38:46,988 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_LAZY
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 17:38:47,192 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 17:38:47,218 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 17:38:47,220 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 17:38:47,221 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 17:38:47,222 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 17:38:47,223 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_3.c
[2022-01-10 17:38:47,265 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4864cb01/c45ccfc19a91495eb70e24cdc5f6c95e/FLAG16edc3494
[2022-01-10 17:38:47,632 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 17:38:47,632 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c
[2022-01-10 17:38:47,637 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4864cb01/c45ccfc19a91495eb70e24cdc5f6c95e/FLAG16edc3494
[2022-01-10 17:38:48,056 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4864cb01/c45ccfc19a91495eb70e24cdc5f6c95e
[2022-01-10 17:38:48,058 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 17:38:48,059 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-10 17:38:48,060 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 17:38:48,060 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 17:38:48,065 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 17:38:48,065 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,066 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6a645c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48, skipping insertion in model container
[2022-01-10 17:38:48,066 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,070 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 17:38:48,081 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 17:38:48,228 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c[604,617]
[2022-01-10 17:38:48,258 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 17:38:48,265 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 17:38:48,275 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c[604,617]
[2022-01-10 17:38:48,279 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 17:38:48,290 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 17:38:48,290 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48 WrapperNode
[2022-01-10 17:38:48,290 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 17:38:48,291 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 17:38:48,291 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 17:38:48,292 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 17:38:48,298 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,308 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,328 INFO  L137                Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 90
[2022-01-10 17:38:48,329 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 17:38:48,329 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 17:38:48,329 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 17:38:48,330 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 17:38:48,335 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,335 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,343 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,343 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,351 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,358 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,359 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,361 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 17:38:48,362 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 17:38:48,362 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 17:38:48,362 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 17:38:48,369 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,375 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 17:38:48,386 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 17:38:48,396 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 17:38:48,404 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 17:38:48,427 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 17:38:48,427 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 17:38:48,427 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 17:38:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 17:38:48,478 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 17:38:48,479 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 17:38:48,578 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 17:38:48,583 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 17:38:48,583 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-01-10 17:38:48,584 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:48 BoogieIcfgContainer
[2022-01-10 17:38:48,584 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 17:38:48,585 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-10 17:38:48,585 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-10 17:38:48,586 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-10 17:38:48,589 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:48" (1/1) ...
[2022-01-10 17:38:48,634 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:48 BasicIcfg
[2022-01-10 17:38:48,635 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-10 17:38:48,636 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 17:38:48,636 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 17:38:48,638 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 17:38:48,639 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:38:48" (1/4) ...
[2022-01-10 17:38:48,639 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72be1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:48, skipping insertion in model container
[2022-01-10 17:38:48,639 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:48" (2/4) ...
[2022-01-10 17:38:48,640 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72be1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:48, skipping insertion in model container
[2022-01-10 17:38:48,640 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:48" (3/4) ...
[2022-01-10 17:38:48,640 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72be1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:38:48, skipping insertion in model container
[2022-01-10 17:38:48,640 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:48" (4/4) ...
[2022-01-10 17:38:48,641 INFO  L111   eAbstractionObserver]: Analyzing ICFG zonotope_3.cTransformedIcfg
[2022-01-10 17:38:48,645 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 17:38:48,645 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 17:38:48,677 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 17:38:48,683 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 17:38:48,683 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 17:38:48,692 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 22 states, 20 states have (on average 1.25) internal successors, (25), 21 states have internal predecessors, (25), 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 17:38:48,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-01-10 17:38:48,696 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 17:38:48,696 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 17:38:48,697 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 17:38:48,700 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 17:38:48,701 INFO  L85        PathProgramCache]: Analyzing trace with hash -571464566, now seen corresponding path program 1 times
[2022-01-10 17:38:48,707 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 17:38:48,707 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366300313]
[2022-01-10 17:38:48,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:38:48,708 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 17:38:48,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:38:48,826 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 17:38:48,827 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 17:38:48,827 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366300313]
[2022-01-10 17:38:48,828 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366300313] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 17:38:48,828 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 17:38:48,828 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 17:38:48,829 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950470176]
[2022-01-10 17:38:48,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 17:38:48,834 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 17:38:48,834 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 17:38:48,854 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 17:38:48,855 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 17:38:48,857 INFO  L87              Difference]: Start difference. First operand  has 22 states, 20 states have (on average 1.25) internal successors, (25), 21 states have internal predecessors, (25), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:38:48,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 17:38:48,869 INFO  L93              Difference]: Finished difference Result 38 states and 44 transitions.
[2022-01-10 17:38:48,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 17:38:48,871 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10
[2022-01-10 17:38:48,871 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 17:38:48,877 INFO  L225             Difference]: With dead ends: 38
[2022-01-10 17:38:48,877 INFO  L226             Difference]: Without dead ends: 18
[2022-01-10 17:38:48,879 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 17:38:48,885 INFO  L933         BasicCegarLoop]: 22 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, 22 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 17:38:48,887 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 17:38:48,901 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-01-10 17:38:48,919 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-01-10 17:38:48,920 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 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 17:38:48,922 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2022-01-10 17:38:48,923 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10
[2022-01-10 17:38:48,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 17:38:48,923 INFO  L470      AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2022-01-10 17:38:48,924 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:38:48,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2022-01-10 17:38:48,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-01-10 17:38:48,926 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 17:38:48,926 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 17:38:48,926 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-10 17:38:48,927 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 17:38:48,935 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 17:38:48,935 INFO  L85        PathProgramCache]: Analyzing trace with hash -571434775, now seen corresponding path program 1 times
[2022-01-10 17:38:48,935 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 17:38:48,935 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122752706]
[2022-01-10 17:38:48,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:38:48,936 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 17:38:48,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:38:49,020 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 17:38:49,020 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 17:38:49,020 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122752706]
[2022-01-10 17:38:49,021 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122752706] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 17:38:49,021 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 17:38:49,021 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-10 17:38:49,021 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629578693]
[2022-01-10 17:38:49,021 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 17:38:49,022 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-10 17:38:49,022 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 17:38:49,023 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-10 17:38:49,023 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 17:38:49,023 INFO  L87              Difference]: Start difference. First operand 18 states and 18 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 17:38:49,041 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 17:38:49,041 INFO  L93              Difference]: Finished difference Result 30 states and 30 transitions.
[2022-01-10 17:38:49,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-10 17:38:49,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10
[2022-01-10 17:38:49,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 17:38:49,043 INFO  L225             Difference]: With dead ends: 30
[2022-01-10 17:38:49,043 INFO  L226             Difference]: Without dead ends: 26
[2022-01-10 17:38:49,043 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 17:38:49,045 INFO  L933         BasicCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 17:38:49,045 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 29 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 17:38:49,046 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-01-10 17:38:49,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19.
[2022-01-10 17:38:49,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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 17:38:49,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions.
[2022-01-10 17:38:49,050 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10
[2022-01-10 17:38:49,050 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 17:38:49,050 INFO  L470      AbstractCegarLoop]: Abstraction has 19 states and 19 transitions.
[2022-01-10 17:38:49,050 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 17:38:49,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions.
[2022-01-10 17:38:49,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-01-10 17:38:49,051 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 17:38:49,051 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 17:38:49,051 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-10 17:38:49,052 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 17:38:49,052 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 17:38:49,052 INFO  L85        PathProgramCache]: Analyzing trace with hash -1673893293, now seen corresponding path program 1 times
[2022-01-10 17:38:49,052 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 17:38:49,053 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653702380]
[2022-01-10 17:38:49,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:38:49,053 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 17:38:49,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:38:49,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:49,247 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 17:38:49,247 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653702380]
[2022-01-10 17:38:49,248 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653702380] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 17:38:49,248 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256789348]
[2022-01-10 17:38:49,248 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:38:49,248 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 17:38:49,248 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 17:38:49,250 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 17:38:49,291 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 17:38:49,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:38:49,353 INFO  L263         TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-01-10 17:38:49,357 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 17:38:49,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:49,698 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 17:38:49,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:49,822 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [256789348] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 17:38:49,823 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-10 17:38:49,823 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2022-01-10 17:38:49,825 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331297551]
[2022-01-10 17:38:49,825 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-10 17:38:49,827 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-10 17:38:49,827 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 17:38:49,828 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-10 17:38:49,830 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2022-01-10 17:38:49,830 INFO  L87              Difference]: Start difference. First operand 19 states and 19 transitions. Second operand  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 17:38:49,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 17:38:49,920 INFO  L93              Difference]: Finished difference Result 47 states and 49 transitions.
[2022-01-10 17:38:49,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-01-10 17:38:49,921 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 18
[2022-01-10 17:38:49,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 17:38:49,921 INFO  L225             Difference]: With dead ends: 47
[2022-01-10 17:38:49,922 INFO  L226             Difference]: Without dead ends: 43
[2022-01-10 17:38:49,922 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 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 17:38:49,923 INFO  L933         BasicCegarLoop]: 22 mSDtfsCounter, 35 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 17:38:49,923 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 67 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 17:38:49,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2022-01-10 17:38:49,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2022-01-10 17:38:49,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 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 17:38:49,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions.
[2022-01-10 17:38:49,938 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 18
[2022-01-10 17:38:49,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 17:38:49,939 INFO  L470      AbstractCegarLoop]: Abstraction has 43 states and 43 transitions.
[2022-01-10 17:38:49,939 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 17:38:49,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions.
[2022-01-10 17:38:49,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2022-01-10 17:38:49,940 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 17:38:49,940 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 17:38:49,966 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 17:38:50,158 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 17:38:50,158 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 17:38:50,159 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 17:38:50,159 INFO  L85        PathProgramCache]: Analyzing trace with hash 1132307089, now seen corresponding path program 2 times
[2022-01-10 17:38:50,159 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 17:38:50,159 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038588780]
[2022-01-10 17:38:50,160 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:38:50,160 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 17:38:50,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:38:50,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:50,396 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 17:38:50,397 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038588780]
[2022-01-10 17:38:50,397 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038588780] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 17:38:50,399 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928614683]
[2022-01-10 17:38:50,399 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-01-10 17:38:50,399 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 17:38:50,399 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 17:38:50,404 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 17:38:50,427 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 17:38:50,523 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-01-10 17:38:50,523 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-10 17:38:50,525 INFO  L263         TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 18 conjunts are in the unsatisfiable core
[2022-01-10 17:38:50,527 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 17:38:55,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:55,130 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 17:38:57,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:38:57,961 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928614683] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 17:38:57,961 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-10 17:38:57,961 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16
[2022-01-10 17:38:57,962 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76458768]
[2022-01-10 17:38:57,962 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-10 17:38:57,962 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-01-10 17:38:57,962 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 17:38:57,963 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-01-10 17:38:57,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=161, Unknown=1, NotChecked=0, Total=240
[2022-01-10 17:38:57,963 INFO  L87              Difference]: Start difference. First operand 43 states and 43 transitions. Second operand  has 16 states, 16 states have (on average 6.375) internal successors, (102), 16 states have internal predecessors, (102), 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 17:39:13,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 17:39:13,000 INFO  L93              Difference]: Finished difference Result 87 states and 91 transitions.
[2022-01-10 17:39:13,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-01-10 17:39:13,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 6.375) internal successors, (102), 16 states have internal predecessors, (102), 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 42
[2022-01-10 17:39:13,001 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 17:39:13,002 INFO  L225             Difference]: With dead ends: 87
[2022-01-10 17:39:13,002 INFO  L226             Difference]: Without dead ends: 83
[2022-01-10 17:39:13,003 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=132, Invalid=245, Unknown=3, NotChecked=0, Total=380
[2022-01-10 17:39:13,005 INFO  L933         BasicCegarLoop]: 34 mSDtfsCounter, 82 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-01-10 17:39:13,005 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 252 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 60 Invalid, 0 Unknown, 23 Unchecked, 0.4s Time]
[2022-01-10 17:39:13,006 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2022-01-10 17:39:13,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2022-01-10 17:39:13,027 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 82 states have (on average 1.0121951219512195) internal successors, (83), 82 states have internal predecessors, (83), 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 17:39:13,028 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions.
[2022-01-10 17:39:13,028 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 42
[2022-01-10 17:39:13,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 17:39:13,028 INFO  L470      AbstractCegarLoop]: Abstraction has 83 states and 83 transitions.
[2022-01-10 17:39:13,028 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 6.375) internal successors, (102), 16 states have internal predecessors, (102), 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 17:39:13,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions.
[2022-01-10 17:39:13,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2022-01-10 17:39:13,032 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 17:39:13,032 INFO  L514         BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 17:39:13,061 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 17:39:13,248 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 17:39:13,249 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 17:39:13,249 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 17:39:13,249 INFO  L85        PathProgramCache]: Analyzing trace with hash -658272861, now seen corresponding path program 3 times
[2022-01-10 17:39:13,250 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 17:39:13,250 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075562635]
[2022-01-10 17:39:13,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 17:39:13,250 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 17:39:13,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 17:39:13,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 17:39:13,668 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 17:39:13,680 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075562635]
[2022-01-10 17:39:13,680 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075562635] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 17:39:13,680 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550921104]
[2022-01-10 17:39:13,680 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-01-10 17:39:13,681 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 17:39:13,681 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 17:39:13,685 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 17:39:13,686 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 17:39:14,424 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s)
[2022-01-10 17:39:14,424 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-10 17:39:14,428 INFO  L263         TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 40 conjunts are in the unsatisfiable core
[2022-01-10 17:39:14,434 INFO  L286         TraceCheckSpWp]: Computing forward predicates...