/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/xcsp/aim-100-2-0-unsat-4.c


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 07:35:05,490 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 07:35:05,491 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 07:35:05,543 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 07:35:05,543 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 07:35:05,545 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 07:35:05,557 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 07:35:05,560 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 07:35:05,562 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 07:35:05,562 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-10 07:35:05,563 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-01-10 07:35:05,564 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 07:35:05,564 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 07:35:05,565 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 07:35:05,566 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 07:35:05,567 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 07:35:05,567 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 07:35:05,568 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 07:35:05,569 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 07:35:05,571 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 07:35:05,572 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 07:35:05,581 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 07:35:05,584 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 07:35:05,586 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 07:35:05,591 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 07:35:05,591 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 07:35:05,591 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 07:35:05,592 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 07:35:05,592 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 07:35:05,593 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 07:35:05,593 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 07:35:05,594 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 07:35:05,594 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 07:35:05,595 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 07:35:05,595 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 07:35:05,596 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 07:35:05,596 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 07:35:05,596 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 07:35:05,596 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 07:35:05,597 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 07:35:05,598 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 07:35:05,604 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2022-01-10 07:35:05,639 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 07:35:05,639 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 07:35:05,639 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 07:35:05,640 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 07:35:05,640 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-10 07:35:05,641 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-10 07:35:05,641 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 07:35:05,641 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 07:35:05,641 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 07:35:05,642 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 07:35:05,643 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 07:35:05,644 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 07:35:05,644 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 07:35:05,644 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 07:35:05,645 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 07:35:05,877 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 07:35:05,899 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 07:35:05,901 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 07:35:05,902 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 07:35:05,905 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 07:35:05,906 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/aim-100-2-0-unsat-4.c
[2022-01-10 07:35:05,984 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde63d572/e834a819c657428ba7867b5cd6c0cdbc/FLAG895afc780
[2022-01-10 07:35:06,416 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 07:35:06,417 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/aim-100-2-0-unsat-4.c
[2022-01-10 07:35:06,431 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde63d572/e834a819c657428ba7867b5cd6c0cdbc/FLAG895afc780
[2022-01-10 07:35:06,447 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde63d572/e834a819c657428ba7867b5cd6c0cdbc
[2022-01-10 07:35:06,450 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 07:35:06,452 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-01-10 07:35:06,455 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 07:35:06,455 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 07:35:06,458 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 07:35:06,459 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:35:06" (1/1) ...
[2022-01-10 07:35:06,460 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a93d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:06, skipping insertion in model container
[2022-01-10 07:35:06,460 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:35:06" (1/1) ...
[2022-01-10 07:35:06,466 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 07:35:06,501 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 07:35:06,903 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/aim-100-2-0-unsat-4.c[21306,21319]
[2022-01-10 07:35:06,937 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 07:35:06,957 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 07:35:07,095 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/aim-100-2-0-unsat-4.c[21306,21319]
[2022-01-10 07:35:07,098 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 07:35:07,116 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 07:35:07,116 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07 WrapperNode
[2022-01-10 07:35:07,116 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 07:35:07,117 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 07:35:07,117 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 07:35:07,117 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 07:35:07,123 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,143 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,212 INFO  L137                Inliner]: procedures = 13, calls = 398, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 708
[2022-01-10 07:35:07,212 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 07:35:07,213 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 07:35:07,213 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 07:35:07,213 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 07:35:07,219 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,220 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,236 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,237 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,261 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,263 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,266 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,290 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 07:35:07,290 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 07:35:07,291 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 07:35:07,291 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 07:35:07,291 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (1/1) ...
[2022-01-10 07:35:07,297 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 07:35:07,304 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 07:35:07,345 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-01-10 07:35:07,372 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-01-10 07:35:07,391 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 07:35:07,392 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 07:35:07,392 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 07:35:07,392 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 07:35:07,392 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2022-01-10 07:35:07,393 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2022-01-10 07:35:07,521 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 07:35:07,522 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 07:35:08,170 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 07:35:08,192 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 07:35:08,192 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-01-10 07:35:08,195 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:35:08 BoogieIcfgContainer
[2022-01-10 07:35:08,195 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 07:35:08,196 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 07:35:08,196 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 07:35:08,199 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 07:35:08,199 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:35:06" (1/3) ...
[2022-01-10 07:35:08,200 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3325ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:35:08, skipping insertion in model container
[2022-01-10 07:35:08,200 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:35:07" (2/3) ...
[2022-01-10 07:35:08,200 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3325ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:35:08, skipping insertion in model container
[2022-01-10 07:35:08,200 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:35:08" (3/3) ...
[2022-01-10 07:35:08,201 INFO  L111   eAbstractionObserver]: Analyzing ICFG aim-100-2-0-unsat-4.c
[2022-01-10 07:35:08,205 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 07:35:08,205 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 07:35:08,256 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 07:35:08,261 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-01-10 07:35:08,261 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 07:35:08,288 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 502 states, 108 states have (on average 1.0185185185185186) internal successors, (110), 109 states have internal predecessors, (110), 391 states have call successors, (391), 1 states have call predecessors, (391), 1 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391)
[2022-01-10 07:35:08,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2059
[2022-01-10 07:35:08,431 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 07:35:08,436 INFO  L514         BasicCegarLoop]: trace histogram [391, 391, 391, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 07:35:08,436 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 07:35:08,441 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 07:35:08,442 INFO  L85        PathProgramCache]: Analyzing trace with hash 230657035, now seen corresponding path program 1 times
[2022-01-10 07:35:08,470 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 07:35:08,471 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60001056]
[2022-01-10 07:35:08,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 07:35:08,472 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 07:35:08,472 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 07:35:08,489 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 07:35:08,504 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-01-10 07:35:09,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 07:35:09,261 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-01-10 07:35:09,347 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 07:35:11,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 304980 backedges. 24716 proven. 0 refuted. 0 times theorem prover too weak. 280264 trivial. 0 not checked.
[2022-01-10 07:35:11,505 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 07:35:11,506 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 07:35:11,506 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60001056]
[2022-01-10 07:35:11,506 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [60001056] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 07:35:11,506 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 07:35:11,507 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 07:35:11,508 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454641517]
[2022-01-10 07:35:11,508 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 07:35:11,514 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 07:35:11,514 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 07:35:11,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 07:35:11,529 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 07:35:11,532 INFO  L87              Difference]: Start difference. First operand  has 502 states, 108 states have (on average 1.0185185185185186) internal successors, (110), 109 states have internal predecessors, (110), 391 states have call successors, (391), 1 states have call predecessors, (391), 1 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391) Second operand  has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (391), 2 states have call predecessors, (391), 2 states have return successors, (391), 2 states have call predecessors, (391), 2 states have call successors, (391)
[2022-01-10 07:35:11,607 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 07:35:11,607 INFO  L93              Difference]: Finished difference Result 998 states and 2169 transitions.
[2022-01-10 07:35:11,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 07:35:11,616 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (391), 2 states have call predecessors, (391), 2 states have return successors, (391), 2 states have call predecessors, (391), 2 states have call successors, (391) Word has length 2058
[2022-01-10 07:35:11,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 07:35:11,632 INFO  L225             Difference]: With dead ends: 998
[2022-01-10 07:35:11,632 INFO  L226             Difference]: Without dead ends: 499
[2022-01-10 07:35:11,640 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2057 GetRequests, 2057 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 07:35:11,642 INFO  L933         BasicCegarLoop]: 888 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, 888 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 07:35:11,643 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 07:35:11,655 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 499 states.
[2022-01-10 07:35:11,802 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499.
[2022-01-10 07:35:11,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 499 states, 106 states have (on average 1.0) internal successors, (106), 106 states have internal predecessors, (106), 391 states have call successors, (391), 1 states have call predecessors, (391), 1 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391)
[2022-01-10 07:35:11,809 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 888 transitions.
[2022-01-10 07:35:11,811 INFO  L78                 Accepts]: Start accepts. Automaton has 499 states and 888 transitions. Word has length 2058
[2022-01-10 07:35:11,812 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 07:35:11,812 INFO  L470      AbstractCegarLoop]: Abstraction has 499 states and 888 transitions.
[2022-01-10 07:35:11,813 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (391), 2 states have call predecessors, (391), 2 states have return successors, (391), 2 states have call predecessors, (391), 2 states have call successors, (391)
[2022-01-10 07:35:11,813 INFO  L276                IsEmpty]: Start isEmpty. Operand 499 states and 888 transitions.
[2022-01-10 07:35:11,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2059
[2022-01-10 07:35:11,873 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 07:35:11,874 INFO  L514         BasicCegarLoop]: trace histogram [391, 391, 391, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 07:35:11,901 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-01-10 07:35:12,098 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 07:35:12,099 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 07:35:12,100 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 07:35:12,100 INFO  L85        PathProgramCache]: Analyzing trace with hash -658572407, now seen corresponding path program 1 times
[2022-01-10 07:35:12,103 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 07:35:12,103 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989472536]
[2022-01-10 07:35:12,103 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 07:35:12,103 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 07:35:12,103 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 07:35:12,127 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 07:35:12,128 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-01-10 07:35:15,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 07:35:16,060 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 246 conjunts are in the unsatisfiable core
[2022-01-10 07:35:16,147 INFO  L286         TraceCheckSpWp]: Computing forward predicates...