/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/eca-programs/Problem103_label56.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:16:18,278 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:16:18,280 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-02 21:16:18,317 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-02 21:16:18,318 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-02 21:16:18,320 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-02 21:16:18,323 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:16:18,325 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-02 21:16:18,326 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-02 21:16:18,330 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-02 21:16:18,332 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-04-02 21:16:18,333 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-02 21:16:18,333 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-02 21:16:18,336 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-02 21:16:18,338 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-02 21:16:18,339 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:16:18,340 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-02 21:16:18,340 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-02 21:16:18,342 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-02 21:16:18,347 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-02 21:16:18,347 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-02 21:16:18,348 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-02 21:16:18,350 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-02 21:16:18,351 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-02 21:16:18,358 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-04-02 21:16:18,359 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-04-02 21:16:18,359 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-04-02 21:16:18,360 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-04-02 21:16:18,361 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-04-02 21:16:18,361 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-02 21:16:18,362 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-04-02 21:16:18,362 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-04-02 21:16:18,363 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-02 21:16:18,364 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-02 21:16:18,365 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2023-04-02 21:16:18,366 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-04-02 21:16:18,366 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-04-02 21:16:18,367 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:16:18,368 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf
[2023-04-02 21:16:18,400 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:16:18,401 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:16:18,401 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:16:18,401 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:16:18,402 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:16:18,402 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:16:18,402 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:16:18,403 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:16:18,403 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:16:18,403 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:16:18,403 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:16:18,404 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:16:18,404 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:16:18,405 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:16:18,405 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:16:18,406 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:16:18,407 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:16:18,407 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:16:18,407 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:16:18,407 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:16:18,407 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:16:18,407 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:16:18,408 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:16:18,659 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:16:18,685 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:16:18,687 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:16:18,689 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:16:18,689 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:16:18,690 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem103_label56.c
[2023-04-02 21:16:19,745 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:16:22,075 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:16:22,076 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label56.c
[2023-04-02 21:16:22,304 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013a4644f/50930175e27c43b4823d1f15bae99f16/FLAGd0443e942
[2023-04-02 21:16:22,315 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013a4644f/50930175e27c43b4823d1f15bae99f16
[2023-04-02 21:16:22,317 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:16:22,318 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:16:22,319 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:16:22,319 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:16:22,322 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:16:22,323 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:16:22" (1/1) ...
[2023-04-02 21:16:22,323 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e80c99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:22, skipping insertion in model container
[2023-04-02 21:16:22,324 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:16:22" (1/1) ...
[2023-04-02 21:16:22,329 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:16:23,846 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:16:42,056 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label56.c[6303470,6303483]
[2023-04-02 21:16:42,264 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:16:42,276 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:16:51,689 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label56.c[6303470,6303483]
[2023-04-02 21:16:51,697 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:16:57,022 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:16:57,022 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57 WrapperNode
[2023-04-02 21:16:57,022 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:16:57,024 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:16:57,024 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:16:57,024 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:16:57,050 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:16:57,051 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:16:58,723 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:16:58,723 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:02,275 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:02,723 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:03,123 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:03,698 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:05,133 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:17:05,136 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:17:05,136 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:17:05,148 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:17:05,149 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (1/1) ...
[2023-04-02 21:17:05,161 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:17:05,184 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:17:05,213 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)
[2023-04-02 21:17:05,236 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
[2023-04-02 21:17:05,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:17:05,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:17:05,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2023-04-02 21:17:05,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2023-04-02 21:17:05,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2023-04-02 21:17:05,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2023-04-02 21:17:05,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2023-04-02 21:17:05,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2023-04-02 21:17:05,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2023-04-02 21:17:05,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2023-04-02 21:17:05,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2023-04-02 21:17:05,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2023-04-02 21:17:05,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2023-04-02 21:17:05,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2023-04-02 21:17:05,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2023-04-02 21:17:05,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2023-04-02 21:17:05,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2023-04-02 21:17:05,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2023-04-02 21:17:05,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2023-04-02 21:17:05,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:17:05,314 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2023-04-02 21:17:05,314 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2023-04-02 21:17:05,314 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2023-04-02 21:17:05,314 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2023-04-02 21:17:05,315 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2023-04-02 21:17:05,315 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2023-04-02 21:17:05,315 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2023-04-02 21:17:05,315 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2023-04-02 21:17:05,316 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2023-04-02 21:17:05,317 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2023-04-02 21:17:05,333 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2023-04-02 21:17:05,334 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2023-04-02 21:17:05,334 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2023-04-02 21:17:05,334 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2023-04-02 21:17:05,334 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2023-04-02 21:17:05,335 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2023-04-02 21:17:05,335 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2023-04-02 21:17:05,335 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2023-04-02 21:17:05,335 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2023-04-02 21:17:05,335 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2023-04-02 21:17:05,336 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2023-04-02 21:17:05,338 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2023-04-02 21:17:05,338 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2023-04-02 21:17:05,344 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2023-04-02 21:17:05,345 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:17:05,346 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:17:05,347 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:17:05,623 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:17:05,653 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:18:14,114 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:19:06,945 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:19:06,945 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-04-02 21:19:06,962 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:19:06 BoogieIcfgContainer
[2023-04-02 21:19:06,963 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:19:06,965 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:19:06,965 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:19:06,968 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:19:06,968 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:16:22" (1/3) ...
[2023-04-02 21:19:06,969 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e54654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:19:06, skipping insertion in model container
[2023-04-02 21:19:06,969 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:16:57" (2/3) ...
[2023-04-02 21:19:06,969 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e54654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:19:06, skipping insertion in model container
[2023-04-02 21:19:06,969 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:19:06" (3/3) ...
[2023-04-02 21:19:06,970 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem103_label56.c
[2023-04-02 21:19:06,992 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:19:06,992 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:19:07,263 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:19:07,269 INFO  L357      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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dc2b915, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:19:07,270 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:19:07,323 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16850 states, 16694 states have (on average 1.9862225949442913) internal successors, (33158), 16695 states have internal predecessors, (33158), 77 states have call successors, (77), 77 states have call predecessors, (77), 77 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77)
[2023-04-02 21:19:08,938 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16620
[2023-04-02 21:19:08,938 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:19:08,949 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-04-02 21:19:08,951 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:19:08,955 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:19:08,962 INFO  L85        PathProgramCache]: Analyzing trace with hash 114275979, now seen corresponding path program 1 times
[2023-04-02 21:19:08,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:19:08,969 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607250138]
[2023-04-02 21:19:08,973 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:19:08,973 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:19:15,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat