/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_label43.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:12:50,457 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:12:50,459 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-02 21:12:50,498 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-02 21:12:50,498 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-02 21:12:50,501 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-02 21:12:50,504 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:12:50,506 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-02 21:12:50,508 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-02 21:12:50,512 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-02 21:12:50,514 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-04-02 21:12:50,515 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-02 21:12:50,515 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-02 21:12:50,518 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-02 21:12:50,519 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-02 21:12:50,522 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:12:50,523 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-02 21:12:50,524 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-02 21:12:50,525 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-02 21:12:50,534 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-02 21:12:50,535 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-02 21:12:50,537 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-02 21:12:50,538 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-02 21:12:50,539 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-02 21:12:50,547 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-04-02 21:12:50,547 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-04-02 21:12:50,547 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-04-02 21:12:50,548 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-04-02 21:12:50,549 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-04-02 21:12:50,549 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-02 21:12:50,550 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2023-04-02 21:12:50,551 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-02 21:12:50,552 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-02 21:12:50,552 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-04-02 21:12:50,552 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2023-04-02 21:12:50,553 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-02 21:12:50,555 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:12:50,556 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 21:12:50,574 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:12:50,574 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:12:50,574 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:12:50,575 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:12:50,575 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:12:50,575 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:12:50,576 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:12:50,576 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:12:50,576 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:12:50,576 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:12:50,577 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:12:50,577 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:12:50,578 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:12:50,578 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:12:50,578 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:12:50,578 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:12:50,578 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:12:50,578 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:12:50,579 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:12:50,579 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:12:50,580 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:12:50,580 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:12:50,581 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:12:50,581 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:12:50,581 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:12:50,808 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:12:50,824 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:12:50,826 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:12:50,827 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:12:50,828 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:12:50,829 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem103_label43.c
[2023-04-02 21:12:52,066 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:12:54,139 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:12:54,140 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem103_label43.c
[2023-04-02 21:12:54,375 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/699dd0571/ae4f37cfd40f4ca4b37a9c462fa0e9dd/FLAG2a4a95203
[2023-04-02 21:12:54,388 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/699dd0571/ae4f37cfd40f4ca4b37a9c462fa0e9dd
[2023-04-02 21:12:54,391 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:12:54,392 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:12:54,393 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:12:54,393 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:12:54,397 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:12:54,398 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:12:54" (1/1) ...
[2023-04-02 21:12:54,399 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109b941c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:12:54, skipping insertion in model container
[2023-04-02 21:12:54,399 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:12:54" (1/1) ...
[2023-04-02 21:12:54,405 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:12:55,809 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:13:13,174 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_label43.c[6306854,6306867]
[2023-04-02 21:13:13,280 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:13:13,291 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:13:23,564 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_label43.c[6306854,6306867]
[2023-04-02 21:13:23,571 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:13:28,846 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:13:28,847 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28 WrapperNode
[2023-04-02 21:13:28,847 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:13:28,848 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:13:28,848 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:13:28,848 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:13:28,858 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:28,858 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:30,411 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:30,411 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:33,621 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:34,183 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:34,773 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:35,031 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:36,810 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:13:36,811 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:13:36,812 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:13:36,812 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:13:36,813 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (1/1) ...
[2023-04-02 21:13:36,836 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:13:36,850 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:13:36,902 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 21:13:36,978 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 21:13:37,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:13:37,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:13:37,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:13:37,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2023-04-02 21:13:37,022 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2023-04-02 21:13:37,023 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2023-04-02 21:13:37,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2023-04-02 21:13:37,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2023-04-02 21:13:37,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2023-04-02 21:13:37,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2023-04-02 21:13:37,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2023-04-02 21:13:37,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2023-04-02 21:13:37,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2023-04-02 21:13:37,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2023-04-02 21:13:37,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2023-04-02 21:13:37,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2023-04-02 21:13:37,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2023-04-02 21:13:37,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2023-04-02 21:13:37,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2023-04-02 21:13:37,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2023-04-02 21:13:37,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2023-04-02 21:13:37,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:13:37,038 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2023-04-02 21:13:37,038 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2023-04-02 21:13:37,039 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2023-04-02 21:13:37,039 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2023-04-02 21:13:37,040 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2023-04-02 21:13:37,040 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2023-04-02 21:13:37,041 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2023-04-02 21:13:37,042 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2023-04-02 21:13:37,043 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2023-04-02 21:13:37,044 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2023-04-02 21:13:37,044 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2023-04-02 21:13:37,044 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2023-04-02 21:13:37,044 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2023-04-02 21:13:37,044 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2023-04-02 21:13:37,045 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2023-04-02 21:13:37,047 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2023-04-02 21:13:37,048 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2023-04-02 21:13:37,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2023-04-02 21:13:37,055 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:13:37,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:13:37,057 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:13:37,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:13:37,057 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:13:37,057 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:13:37,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:13:37,277 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:13:37,280 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:14:44,624 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:15:34,731 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:15:34,732 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-04-02 21:15:34,750 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:15:34 BoogieIcfgContainer
[2023-04-02 21:15:34,750 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:15:34,752 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:15:34,752 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:15:34,755 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:15:34,756 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:12:54" (1/3) ...
[2023-04-02 21:15:34,756 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8d07d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:15:34, skipping insertion in model container
[2023-04-02 21:15:34,756 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:13:28" (2/3) ...
[2023-04-02 21:15:34,757 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8d07d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:15:34, skipping insertion in model container
[2023-04-02 21:15:34,757 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:15:34" (3/3) ...
[2023-04-02 21:15:34,758 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem103_label43.c
[2023-04-02 21:15:34,778 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:15:34,778 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:15:35,077 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:15:35,085 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;@23cb29ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:15:35,085 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:15:35,139 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 21:15:37,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16620
[2023-04-02 21:15:37,278 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:15:37,286 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 21:15:37,288 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:15:37,293 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:15:37,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 114282379, now seen corresponding path program 1 times
[2023-04-02 21:15:37,306 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:15:37,307 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132361234]
[2023-04-02 21:15:37,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:15:37,313 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:15:42,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat