/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_label41.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:12:09,314 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:12:09,316 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-02 21:12:09,356 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-02 21:12:09,357 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-02 21:12:09,359 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-02 21:12:09,366 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:12:09,368 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-02 21:12:09,369 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-02 21:12:09,370 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-02 21:12:09,371 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-04-02 21:12:09,372 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-02 21:12:09,372 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-02 21:12:09,377 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-02 21:12:09,378 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-02 21:12:09,379 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:12:09,380 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-02 21:12:09,380 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-02 21:12:09,382 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-02 21:12:09,384 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-02 21:12:09,385 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-02 21:12:09,386 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-02 21:12:09,387 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-02 21:12:09,387 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-02 21:12:09,392 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-04-02 21:12:09,392 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-04-02 21:12:09,392 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-04-02 21:12:09,393 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-04-02 21:12:09,393 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-04-02 21:12:09,394 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-02 21:12:09,394 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-04-02 21:12:09,394 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-04-02 21:12:09,395 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-02 21:12:09,395 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-02 21:12:09,396 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-04-02 21:12:09,396 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2023-04-02 21:12:09,397 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-04-02 21:12:09,398 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-04-02 21:12:09,398 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:12:09,402 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 21:12:09,432 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:12:09,432 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:12:09,433 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:12:09,433 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:12:09,433 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:12:09,434 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:12:09,434 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:12:09,434 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:12:09,434 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:12:09,434 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:12:09,434 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:12:09,435 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:12:09,435 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:12:09,435 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:12:09,435 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:12:09,435 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:12:09,436 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:12:09,436 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:12:09,436 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:12:09,437 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:12:09,438 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:12:09,438 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:12:09,439 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:12:09,439 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:12:09,440 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:12:09,440 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:12:09,644 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:12:09,668 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:12:09,670 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:12:09,671 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:12:09,672 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:12:09,673 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem103_label41.c
[2023-04-02 21:12:10,791 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:12:12,857 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:12:12,857 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label41.c
[2023-04-02 21:12:13,183 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/151589182/bc9b427e460d4fccbe0b8c01df12d3ff/FLAG1c74ec1d2
[2023-04-02 21:12:13,214 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/151589182/bc9b427e460d4fccbe0b8c01df12d3ff
[2023-04-02 21:12:13,217 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:12:13,220 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:12:13,232 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:12:13,232 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:12:13,237 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:12:13,238 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:12:13" (1/1) ...
[2023-04-02 21:12:13,239 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bee9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:13, skipping insertion in model container
[2023-04-02 21:12:13,240 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:12:13" (1/1) ...
[2023-04-02 21:12:13,247 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:12:14,578 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:12:31,923 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_label41.c[6301980,6301993]
[2023-04-02 21:12:32,032 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:12:32,042 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:12:40,873 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_label41.c[6301980,6301993]
[2023-04-02 21:12:40,884 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:12:46,338 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:12:46,339 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46 WrapperNode
[2023-04-02 21:12:46,339 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:12:46,340 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:12:46,340 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:12:46,340 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:12:46,351 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:46,352 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:48,195 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:48,196 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:51,546 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:52,043 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:52,615 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:52,918 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:54,355 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:12:54,356 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:12:54,356 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:12:54,357 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:12:54,358 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (1/1) ...
[2023-04-02 21:12:54,365 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:12:54,377 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:12:54,403 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 21:12:54,406 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 21:12:54,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:12:54,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:12:54,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2023-04-02 21:12:54,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2023-04-02 21:12:54,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2023-04-02 21:12:54,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2023-04-02 21:12:54,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2023-04-02 21:12:54,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2023-04-02 21:12:54,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2023-04-02 21:12:54,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2023-04-02 21:12:54,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2023-04-02 21:12:54,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2023-04-02 21:12:54,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2023-04-02 21:12:54,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2023-04-02 21:12:54,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2023-04-02 21:12:54,447 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2023-04-02 21:12:54,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2023-04-02 21:12:54,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2023-04-02 21:12:54,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2023-04-02 21:12:54,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2023-04-02 21:12:54,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2023-04-02 21:12:54,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2023-04-02 21:12:54,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2023-04-02 21:12:54,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2023-04-02 21:12:54,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:12:54,451 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2023-04-02 21:12:54,451 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2023-04-02 21:12:54,452 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2023-04-02 21:12:54,452 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2023-04-02 21:12:54,452 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2023-04-02 21:12:54,452 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2023-04-02 21:12:54,452 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2023-04-02 21:12:54,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2023-04-02 21:12:54,454 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2023-04-02 21:12:54,455 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2023-04-02 21:12:54,456 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2023-04-02 21:12:54,456 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2023-04-02 21:12:54,456 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2023-04-02 21:12:54,457 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2023-04-02 21:12:54,457 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2023-04-02 21:12:54,460 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2023-04-02 21:12:54,460 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2023-04-02 21:12:54,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2023-04-02 21:12:54,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:12:54,468 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:12:54,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:12:54,469 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:12:54,469 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:12:54,716 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:12:54,718 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:14:03,099 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:14:55,659 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:14:55,660 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-04-02 21:14:55,678 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:14:55 BoogieIcfgContainer
[2023-04-02 21:14:55,678 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:14:55,680 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:14:55,680 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:14:55,683 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:14:55,683 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:12:13" (1/3) ...
[2023-04-02 21:14:55,684 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8c07a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:14:55, skipping insertion in model container
[2023-04-02 21:14:55,684 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:46" (2/3) ...
[2023-04-02 21:14:55,684 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8c07a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:14:55, skipping insertion in model container
[2023-04-02 21:14:55,685 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:14:55" (3/3) ...
[2023-04-02 21:14:55,686 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem103_label41.c
[2023-04-02 21:14:55,704 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:14:55,704 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:14:56,122 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:14:56,130 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;@260ff81b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:14:56,131 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:14:56,190 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 21:14:57,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16620
[2023-04-02 21:14:57,913 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:14:57,924 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 21:14:57,927 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:14:57,931 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:14:57,938 INFO  L85        PathProgramCache]: Analyzing trace with hash -1491896150, now seen corresponding path program 1 times
[2023-04-02 21:14:57,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:14:57,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105837739]
[2023-04-02 21:14:57,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:14:57,950 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:15:03,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat