/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/array-examples/standard_copyInitSum3_ground.i


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-11 02:54:52,315 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-11 02:54:52,317 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-11 02:54:52,379 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-11 02:54:52,379 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-11 02:54:52,380 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-11 02:54:52,381 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-11 02:54:52,382 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-11 02:54:52,383 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-11 02:54:52,384 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-11 02:54:52,385 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-01-11 02:54:52,385 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-11 02:54:52,385 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-11 02:54:52,386 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-11 02:54:52,387 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-11 02:54:52,387 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-11 02:54:52,388 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-11 02:54:52,388 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-11 02:54:52,389 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-11 02:54:52,390 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-11 02:54:52,391 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-11 02:54:52,396 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-11 02:54:52,399 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-11 02:54:52,400 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-11 02:54:52,402 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-11 02:54:52,402 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-11 02:54:52,403 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-11 02:54:52,403 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-11 02:54:52,403 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-11 02:54:52,404 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-11 02:54:52,404 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-11 02:54:52,404 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-11 02:54:52,405 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-11 02:54:52,405 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-11 02:54:52,406 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-11 02:54:52,406 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-11 02:54:52,406 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-11 02:54:52,406 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-11 02:54:52,407 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-11 02:54:52,407 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-11 02:54:52,407 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-11 02:54:52,414 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf
[2022-01-11 02:54:52,435 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-11 02:54:52,436 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-11 02:54:52,436 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-11 02:54:52,436 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-11 02:54:52,437 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-11 02:54:52,437 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-11 02:54:52,437 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-11 02:54:52,438 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 02:54:52,438 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-11 02:54:52,438 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-11 02:54:52,439 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-11 02:54:52,439 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-11 02:54:52,439 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-11 02:54:52,439 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-11 02:54:52,444 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-11 02:54:52,444 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_SUM
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-11 02:54:52,591 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-11 02:54:52,610 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-11 02:54:52,612 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-11 02:54:52,613 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-11 02:54:52,613 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-11 02:54:52,614 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copyInitSum3_ground.i
[2022-01-11 02:54:52,668 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e73a19e/f958217802ea4e81ba6f25d482c9c6ce/FLAG6fc01d859
[2022-01-11 02:54:53,008 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-11 02:54:53,008 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copyInitSum3_ground.i
[2022-01-11 02:54:53,012 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e73a19e/f958217802ea4e81ba6f25d482c9c6ce/FLAG6fc01d859
[2022-01-11 02:54:53,462 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e73a19e/f958217802ea4e81ba6f25d482c9c6ce
[2022-01-11 02:54:53,465 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-11 02:54:53,466 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-11 02:54:53,467 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-11 02:54:53,467 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-11 02:54:53,469 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-11 02:54:53,469 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,470 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76dd2a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53, skipping insertion in model container
[2022-01-11 02:54:53,470 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,474 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-11 02:54:53,483 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-11 02:54:53,591 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copyInitSum3_ground.i[821,834]
[2022-01-11 02:54:53,602 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 02:54:53,607 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-11 02:54:53,615 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copyInitSum3_ground.i[821,834]
[2022-01-11 02:54:53,620 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 02:54:53,629 INFO  L208         MainTranslator]: Completed translation
[2022-01-11 02:54:53,629 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53 WrapperNode
[2022-01-11 02:54:53,629 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-11 02:54:53,630 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-11 02:54:53,630 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-11 02:54:53,630 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-11 02:54:53,637 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,642 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,653 INFO  L137                Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80
[2022-01-11 02:54:53,654 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-11 02:54:53,654 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-11 02:54:53,654 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-11 02:54:53,654 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-11 02:54:53,659 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,659 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,661 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,661 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,666 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,669 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,670 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,671 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-11 02:54:53,672 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-11 02:54:53,672 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-11 02:54:53,672 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-11 02:54:53,672 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:53,677 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 02:54:53,687 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:54:53,695 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-01-11 02:54:53,700 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-01-11 02:54:53,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-11 02:54:53,718 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-11 02:54:53,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-01-11 02:54:53,718 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-01-11 02:54:53,718 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-11 02:54:53,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-11 02:54:53,719 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-11 02:54:53,719 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-01-11 02:54:53,768 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-11 02:54:53,769 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-11 02:54:53,916 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-11 02:54:53,920 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-11 02:54:53,921 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2022-01-11 02:54:53,922 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:54:53 BoogieIcfgContainer
[2022-01-11 02:54:53,922 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-11 02:54:53,922 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-11 02:54:53,922 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-11 02:54:53,936 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-11 02:54:53,938 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:54:53" (1/1) ...
[2022-01-11 02:54:54,070 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:54:54 BasicIcfg
[2022-01-11 02:54:54,070 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-11 02:54:54,071 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-11 02:54:54,077 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-11 02:54:54,079 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-11 02:54:54,079 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 02:54:53" (1/4) ...
[2022-01-11 02:54:54,080 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6824aadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:54:54, skipping insertion in model container
[2022-01-11 02:54:54,080 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:54:53" (2/4) ...
[2022-01-11 02:54:54,080 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6824aadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:54:54, skipping insertion in model container
[2022-01-11 02:54:54,080 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:54:53" (3/4) ...
[2022-01-11 02:54:54,081 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6824aadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:54:54, skipping insertion in model container
[2022-01-11 02:54:54,081 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:54:54" (4/4) ...
[2022-01-11 02:54:54,081 INFO  L111   eAbstractionObserver]: Analyzing ICFG standard_copyInitSum3_ground.iTransformedIcfg
[2022-01-11 02:54:54,085 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-11 02:54:54,085 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-11 02:54:54,133 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-11 02:54:54,138 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-01-11 02:54:54,138 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-11 02:54:54,148 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-01-11 02:54:54,152 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:54:54,153 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:54:54,153 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:54:54,157 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:54:54,158 INFO  L85        PathProgramCache]: Analyzing trace with hash -2103500383, now seen corresponding path program 1 times
[2022-01-11 02:54:54,163 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:54:54,164 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733799438]
[2022-01-11 02:54:54,165 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:54:54,165 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:54:54,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:54:54,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 02:54:54,327 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:54:54,327 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733799438]
[2022-01-11 02:54:54,328 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733799438] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 02:54:54,328 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 02:54:54,328 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-11 02:54:54,329 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110878259]
[2022-01-11 02:54:54,330 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 02:54:54,333 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-11 02:54:54,333 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:54:54,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-11 02:54:54,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-11 02:54:54,358 INFO  L87              Difference]: Start difference. First operand  has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,370 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:54:54,370 INFO  L93              Difference]: Finished difference Result 43 states and 61 transitions.
[2022-01-11 02:54:54,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-11 02:54:54,372 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13
[2022-01-11 02:54:54,372 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:54:54,377 INFO  L225             Difference]: With dead ends: 43
[2022-01-11 02:54:54,377 INFO  L226             Difference]: Without dead ends: 19
[2022-01-11 02:54:54,380 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-11 02:54:54,384 INFO  L933         BasicCegarLoop]: 27 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, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-11 02:54:54,385 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-11 02:54:54,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2022-01-11 02:54:54,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2022-01-11 02:54:54,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,413 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions.
[2022-01-11 02:54:54,413 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 13
[2022-01-11 02:54:54,414 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:54:54,414 INFO  L470      AbstractCegarLoop]: Abstraction has 19 states and 23 transitions.
[2022-01-11 02:54:54,415 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,416 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions.
[2022-01-11 02:54:54,416 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-01-11 02:54:54,416 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:54:54,416 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:54:54,417 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-11 02:54:54,417 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:54:54,419 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:54:54,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -524511707, now seen corresponding path program 1 times
[2022-01-11 02:54:54,419 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:54:54,420 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108108829]
[2022-01-11 02:54:54,420 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:54:54,420 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:54:54,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:54:54,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 02:54:54,569 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:54:54,569 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108108829]
[2022-01-11 02:54:54,569 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108108829] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 02:54:54,569 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 02:54:54,569 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-11 02:54:54,570 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751552203]
[2022-01-11 02:54:54,570 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 02:54:54,570 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-11 02:54:54,571 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:54:54,571 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-11 02:54:54,571 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-11 02:54:54,571 INFO  L87              Difference]: Start difference. First operand 19 states and 23 transitions. Second operand  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,634 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:54:54,635 INFO  L93              Difference]: Finished difference Result 42 states and 53 transitions.
[2022-01-11 02:54:54,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-11 02:54:54,635 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2022-01-11 02:54:54,636 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:54:54,638 INFO  L225             Difference]: With dead ends: 42
[2022-01-11 02:54:54,638 INFO  L226             Difference]: Without dead ends: 26
[2022-01-11 02:54:54,642 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
[2022-01-11 02:54:54,643 INFO  L933         BasicCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-11 02:54:54,644 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-11 02:54:54,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-01-11 02:54:54,653 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2022-01-11 02:54:54,653 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2022-01-11 02:54:54,655 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13
[2022-01-11 02:54:54,655 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:54:54,655 INFO  L470      AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2022-01-11 02:54:54,656 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:54,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2022-01-11 02:54:54,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-01-11 02:54:54,661 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:54:54,661 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:54:54,661 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-11 02:54:54,661 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:54:54,662 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:54:54,662 INFO  L85        PathProgramCache]: Analyzing trace with hash 858153322, now seen corresponding path program 1 times
[2022-01-11 02:54:54,662 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:54:54,662 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144455380]
[2022-01-11 02:54:54,662 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:54:54,662 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:54:54,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:54:54,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-01-11 02:54:54,784 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:54:54,784 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144455380]
[2022-01-11 02:54:54,785 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144455380] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-11 02:54:54,785 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358876082]
[2022-01-11 02:54:54,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:54:54,785 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:54:54,785 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:54:54,786 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-11 02:54:54,802 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-01-11 02:54:54,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:54:54,883 INFO  L263         TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-01-11 02:54:54,886 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 02:54:54,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-01-11 02:54:54,980 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-11 02:54:55,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-01-11 02:54:55,028 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [358876082] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-11 02:54:55,028 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-11 02:54:55,029 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2022-01-11 02:54:55,029 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141722447]
[2022-01-11 02:54:55,029 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-11 02:54:55,029 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-11 02:54:55,029 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:54:55,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-11 02:54:55,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2022-01-11 02:54:55,030 INFO  L87              Difference]: Start difference. First operand 23 states and 27 transitions. Second operand  has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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)
[2022-01-11 02:54:55,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:54:55,248 INFO  L93              Difference]: Finished difference Result 63 states and 82 transitions.
[2022-01-11 02:54:55,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-01-11 02:54:55,249 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) Word has length 20
[2022-01-11 02:54:55,249 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:54:55,249 INFO  L225             Difference]: With dead ends: 63
[2022-01-11 02:54:55,249 INFO  L226             Difference]: Without dead ends: 44
[2022-01-11 02:54:55,250 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2022-01-11 02:54:55,250 INFO  L933         BasicCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-01-11 02:54:55,250 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 40 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-01-11 02:54:55,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2022-01-11 02:54:55,255 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2022-01-11 02:54:55,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:54:55,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions.
[2022-01-11 02:54:55,256 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 20
[2022-01-11 02:54:55,256 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:54:55,257 INFO  L470      AbstractCegarLoop]: Abstraction has 44 states and 48 transitions.
[2022-01-11 02:54:55,257 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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)
[2022-01-11 02:54:55,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions.
[2022-01-11 02:54:55,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2022-01-11 02:54:55,257 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:54:55,257 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:54:55,278 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-01-11 02:54:55,471 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
[2022-01-11 02:54:55,472 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:54:55,472 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:54:55,472 INFO  L85        PathProgramCache]: Analyzing trace with hash 1972553165, now seen corresponding path program 2 times
[2022-01-11 02:54:55,472 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:54:55,472 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484055371]
[2022-01-11 02:54:55,472 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:54:55,472 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:54:55,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:54:55,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-01-11 02:54:55,711 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:54:55,711 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484055371]
[2022-01-11 02:54:55,711 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484055371] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-11 02:54:55,712 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086240665]
[2022-01-11 02:54:55,712 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-01-11 02:54:55,712 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:54:55,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:54:55,713 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)
[2022-01-11 02:54:55,714 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-01-11 02:54:56,553 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-01-11 02:54:56,553 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-11 02:54:56,556 INFO  L263         TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 42 conjunts are in the unsatisfiable core
[2022-01-11 02:54:56,559 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 02:54:57,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-01-11 02:54:57,039 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-11 02:54:58,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2022-01-11 02:54:58,134 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086240665] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-11 02:54:58,135 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-01-11 02:54:58,135 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 12] total 21
[2022-01-11 02:54:58,135 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960262912]
[2022-01-11 02:54:58,135 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-01-11 02:54:58,135 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2022-01-11 02:54:58,135 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:54:58,136 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2022-01-11 02:54:58,136 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420
[2022-01-11 02:54:58,136 INFO  L87              Difference]: Start difference. First operand 44 states and 48 transitions. Second operand  has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:55:13,363 WARN  L228               SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-01-11 02:55:22,824 WARN  L228               SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 42 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-01-11 02:55:25,364 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:55:25,364 INFO  L93              Difference]: Finished difference Result 122 states and 152 transitions.
[2022-01-11 02:55:25,364 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-01-11 02:55:25,364 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 21 states have internal predecessors, (46), 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 41
[2022-01-11 02:55:25,365 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:55:25,365 INFO  L225             Difference]: With dead ends: 122
[2022-01-11 02:55:25,365 INFO  L226             Difference]: Without dead ends: 85
[2022-01-11 02:55:25,366 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=190, Invalid=565, Unknown=1, NotChecked=0, Total=756
[2022-01-11 02:55:25,366 INFO  L933         BasicCegarLoop]: 16 mSDtfsCounter, 84 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time
[2022-01-11 02:55:25,366 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 120 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 360 Invalid, 0 Unknown, 72 Unchecked, 3.2s Time]
[2022-01-11 02:55:25,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2022-01-11 02:55:25,377 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2022-01-11 02:55:25,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 84 states have (on average 1.0595238095238095) internal successors, (89), 84 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:55:25,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions.
[2022-01-11 02:55:25,378 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 41
[2022-01-11 02:55:25,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:55:25,378 INFO  L470      AbstractCegarLoop]: Abstraction has 85 states and 89 transitions.
[2022-01-11 02:55:25,378 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:55:25,378 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions.
[2022-01-11 02:55:25,379 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2022-01-11 02:55:25,379 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:55:25,379 INFO  L514         BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:55:25,402 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-01-11 02:55:25,596 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
[2022-01-11 02:55:25,596 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:55:25,597 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:55:25,597 INFO  L85        PathProgramCache]: Analyzing trace with hash -518610316, now seen corresponding path program 3 times
[2022-01-11 02:55:25,597 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:55:25,597 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711108947]
[2022-01-11 02:55:25,597 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:55:25,597 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:55:25,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:55:26,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked.
[2022-01-11 02:55:26,056 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:55:26,056 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711108947]
[2022-01-11 02:55:26,056 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711108947] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-11 02:55:26,056 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311508110]
[2022-01-11 02:55:26,056 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-01-11 02:55:26,056 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:55:26,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:55:26,060 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)
[2022-01-11 02:55:26,060 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-01-11 02:56:12,003 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2022-01-11 02:56:12,004 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-01-11 02:56:12,042 INFO  L263         TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 102 conjunts are in the unsatisfiable core
[2022-01-11 02:56:12,046 INFO  L286         TraceCheckSpWp]: Computing forward predicates...