/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_label32.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:11:48,229 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:11:48,231 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-02 21:11:48,272 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-02 21:11:48,272 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-02 21:11:48,275 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-02 21:11:48,278 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:11:48,280 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-02 21:11:48,281 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-02 21:11:48,285 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-02 21:11:48,286 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-04-02 21:11:48,288 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-02 21:11:48,288 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-02 21:11:48,290 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-02 21:11:48,291 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-02 21:11:48,292 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:11:48,293 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-02 21:11:48,293 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-02 21:11:48,295 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-02 21:11:48,300 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-02 21:11:48,301 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-02 21:11:48,302 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-02 21:11:48,304 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-02 21:11:48,305 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-02 21:11:48,312 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-04-02 21:11:48,312 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-04-02 21:11:48,312 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-04-02 21:11:48,314 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-04-02 21:11:48,314 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-04-02 21:11:48,315 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-02 21:11:48,315 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-04-02 21:11:48,315 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-04-02 21:11:48,317 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-02 21:11:48,317 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-02 21:11:48,318 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2023-04-02 21:11:48,319 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-02 21:11:48,320 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:11:48,321 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 21:11:48,349 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:11:48,349 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:11:48,350 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:11:48,350 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:11:48,351 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:11:48,351 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:11:48,351 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:11:48,351 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:11:48,351 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:11:48,351 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:11:48,352 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:11:48,352 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:11:48,353 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:11:48,353 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:11:48,353 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:11:48,353 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:11:48,353 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:11:48,353 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:11:48,354 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:11:48,354 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:11:48,355 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:11:48,355 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:11:48,355 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:11:48,355 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:11:48,355 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:11:48,356 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:11:48,356 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:11:48,357 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:11:48,357 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:11:48,357 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:11:48,568 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:11:48,595 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:11:48,598 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:11:48,599 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:11:48,599 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:11:48,600 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem103_label32.c
[2023-04-02 21:11:49,752 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:11:51,933 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:11:51,934 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label32.c
[2023-04-02 21:11:52,175 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71532e153/90a3ff8b9abf41b784a7bced23d80dad/FLAGead1d0883
[2023-04-02 21:11:52,187 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71532e153/90a3ff8b9abf41b784a7bced23d80dad
[2023-04-02 21:11:52,189 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:11:52,190 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:11:52,191 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:11:52,191 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:11:52,194 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:11:52,195 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:11:52" (1/1) ...
[2023-04-02 21:11:52,195 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba3cb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:11:52, skipping insertion in model container
[2023-04-02 21:11:52,196 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:11:52" (1/1) ...
[2023-04-02 21:11:52,201 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:11:53,449 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:12:11,793 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_label32.c[6301844,6301857]
[2023-04-02 21:12:11,947 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:12:11,966 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:12:21,584 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_label32.c[6301844,6301857]
[2023-04-02 21:12:21,599 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:12:27,566 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:12:27,566 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27 WrapperNode
[2023-04-02 21:12:27,566 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:12:27,567 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:12:27,567 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:12:27,568 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:12:27,579 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:27,579 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:29,340 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:29,341 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:32,675 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:33,331 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:33,876 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:34,117 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:35,730 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:12:35,731 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:12:35,731 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:12:35,732 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:12:35,745 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (1/1) ...
[2023-04-02 21:12:35,750 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:12:35,759 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:12:35,830 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 21:12:35,877 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 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2023-04-02 21:12:35,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2023-04-02 21:12:35,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2023-04-02 21:12:35,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2023-04-02 21:12:35,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2023-04-02 21:12:35,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2023-04-02 21:12:35,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2023-04-02 21:12:35,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2023-04-02 21:12:35,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2023-04-02 21:12:35,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2023-04-02 21:12:35,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2023-04-02 21:12:35,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2023-04-02 21:12:35,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2023-04-02 21:12:35,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2023-04-02 21:12:35,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2023-04-02 21:12:35,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:12:35,902 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2023-04-02 21:12:35,902 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2023-04-02 21:12:35,902 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2023-04-02 21:12:35,902 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2023-04-02 21:12:35,902 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2023-04-02 21:12:35,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2023-04-02 21:12:35,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2023-04-02 21:12:35,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2023-04-02 21:12:35,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2023-04-02 21:12:35,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2023-04-02 21:12:35,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2023-04-02 21:12:35,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2023-04-02 21:12:35,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2023-04-02 21:12:35,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2023-04-02 21:12:35,916 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2023-04-02 21:12:35,917 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:12:35,918 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:12:35,919 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:12:36,135 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:12:36,139 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:13:43,856 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:14:35,477 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:14:35,477 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-04-02 21:14:35,494 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:14:35 BoogieIcfgContainer
[2023-04-02 21:14:35,494 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:14:35,496 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:14:35,496 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:14:35,499 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:14:35,499 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:11:52" (1/3) ...
[2023-04-02 21:14:35,500 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33998c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:14:35, skipping insertion in model container
[2023-04-02 21:14:35,500 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:27" (2/3) ...
[2023-04-02 21:14:35,500 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33998c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:14:35, skipping insertion in model container
[2023-04-02 21:14:35,500 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:14:35" (3/3) ...
[2023-04-02 21:14:35,501 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem103_label32.c
[2023-04-02 21:14:35,520 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:14:35,520 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:14:35,781 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:14:35,786 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;@3e1e5be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:14:35,787 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:14:35,840 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 21:14:37,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16620
[2023-04-02 21:14:37,601 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:14:37,611 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 21:14:37,613 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:14:37,617 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:14:37,624 INFO  L85        PathProgramCache]: Analyzing trace with hash -1491896406, now seen corresponding path program 1 times
[2023-04-02 21:14:37,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:14:37,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673045510]
[2023-04-02 21:14:37,637 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:14:37,638 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:14:43,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat