/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem09_label52.c


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-01 22:09:16,404 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-01 22:09:16,406 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2023-04-01 22:09:16,451 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
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[2023-04-01 22:09:16,453 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-01 22:09:16,454 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-01 22:09:16,455 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-01 22:09:16,456 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2023-04-01 22:09:16,459 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-01 22:09:16,460 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-01 22:09:16,463 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-04-01 22:09:16,464 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-04-01 22:09:16,466 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2023-04-01 22:09:16,467 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-01 22:09:16,468 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-01 22:09:16,468 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-04-01 22:09:16,469 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2023-04-01 22:09:16,470 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-01 22:09:16,471 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-01 22:09:16,474 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-04-01 22:09:16,511 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-01 22:09:16,511 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-01 22:09:16,511 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-01 22:09:16,511 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-01 22:09:16,512 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-01 22:09:16,512 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-01 22:09:16,512 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-04-01 22:09:16,513 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-01 22:09:16,513 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-01 22:09:16,514 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-04-01 22:09:16,514 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-01 22:09:16,515 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-04-01 22:09:16,515 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-01 22:09:16,516 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-04-01 22:09:16,516 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-04-01 22:09:16,516 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-04-01 22:09:16,516 INFO  L138        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-04-01 22:09:16,733 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-01 22:09:16,760 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-01 22:09:16,762 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-01 22:09:16,763 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-01 22:09:16,764 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-01 22:09:16,765 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem09_label52.c
[2023-04-01 22:09:17,913 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-01 22:09:20,249 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-01 22:09:20,250 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label52.c
[2023-04-01 22:09:20,505 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d31e2ea4/5a337e9d4f564659ad78665e1d10db08/FLAG6c9109791
[2023-04-01 22:09:20,519 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d31e2ea4/5a337e9d4f564659ad78665e1d10db08
[2023-04-01 22:09:20,521 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-01 22:09:20,522 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-01 22:09:20,523 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-01 22:09:20,523 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-01 22:09:20,526 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-01 22:09:20,527 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:09:20" (1/1) ...
[2023-04-01 22:09:20,527 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fb151f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:20, skipping insertion in model container
[2023-04-01 22:09:20,528 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:09:20" (1/1) ...
[2023-04-01 22:09:20,533 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-01 22:09:21,949 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-01 22:09:40,540 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-rers2012/Problem09_label52.c[6308520,6308533]
[2023-04-01 22:09:40,696 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-01 22:09:40,709 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-01 22:09:50,627 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-rers2012/Problem09_label52.c[6308520,6308533]
[2023-04-01 22:09:50,638 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-01 22:09:55,716 INFO  L208         MainTranslator]: Completed translation
[2023-04-01 22:09:55,717 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55 WrapperNode
[2023-04-01 22:09:55,717 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-01 22:09:55,718 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-01 22:09:55,718 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-01 22:09:55,719 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-01 22:09:55,729 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:09:55,729 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:09:57,414 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:09:57,415 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:00,993 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:01,805 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:02,225 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:02,547 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:03,709 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-01 22:10:03,710 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-01 22:10:03,710 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-01 22:10:03,710 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-01 22:10:03,712 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (1/1) ...
[2023-04-01 22:10:03,732 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-01 22:10:03,740 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-01 22:10:03,770 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)
[2023-04-01 22:10:03,810 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
[2023-04-01 22:10:03,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-01 22:10:03,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-01 22:10:03,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-01 22:10:03,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2023-04-01 22:10:03,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2023-04-01 22:10:03,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2023-04-01 22:10:03,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2023-04-01 22:10:03,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2023-04-01 22:10:03,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2023-04-01 22:10:03,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2023-04-01 22:10:03,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2023-04-01 22:10:03,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2023-04-01 22:10:03,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2023-04-01 22:10:03,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2023-04-01 22:10:03,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2023-04-01 22:10:03,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2023-04-01 22:10:03,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2023-04-01 22:10:03,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2023-04-01 22:10:03,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2023-04-01 22:10:03,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2023-04-01 22:10:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2023-04-01 22:10:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2023-04-01 22:10:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2023-04-01 22:10:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2023-04-01 22:10:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2023-04-01 22:10:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2023-04-01 22:10:03,878 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2023-04-01 22:10:03,879 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2023-04-01 22:10:03,879 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2023-04-01 22:10:03,879 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2023-04-01 22:10:03,879 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2023-04-01 22:10:03,879 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2023-04-01 22:10:03,880 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2023-04-01 22:10:03,880 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2023-04-01 22:10:03,880 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2023-04-01 22:10:03,880 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2023-04-01 22:10:03,880 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2023-04-01 22:10:03,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2023-04-01 22:10:03,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2023-04-01 22:10:03,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2023-04-01 22:10:03,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2023-04-01 22:10:03,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2023-04-01 22:10:03,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2023-04-01 22:10:03,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2023-04-01 22:10:03,894 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2023-04-01 22:10:03,895 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-01 22:10:03,896 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-01 22:10:03,897 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-01 22:10:03,897 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-01 22:10:04,241 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-01 22:10:04,243 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-01 22:11:11,789 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-01 22:11:11,860 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-01 22:11:11,861 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-04-01 22:11:11,879 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:11:11 BoogieIcfgContainer
[2023-04-01 22:11:11,879 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-01 22:11:11,881 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-01 22:11:11,881 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-01 22:11:11,884 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-01 22:11:11,884 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:09:20" (1/3) ...
[2023-04-01 22:11:11,884 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c442cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:11:11, skipping insertion in model container
[2023-04-01 22:11:11,884 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:09:55" (2/3) ...
[2023-04-01 22:11:11,885 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c442cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:11:11, skipping insertion in model container
[2023-04-01 22:11:11,885 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:11:11" (3/3) ...
[2023-04-01 22:11:11,886 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem09_label52.c
[2023-04-01 22:11:11,899 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-01 22:11:11,900 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-01 22:11:12,185 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-01 22:11:12,191 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@125833a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-04-01 22:11:12,192 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-01 22:11:12,258 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20661 states, 20505 states have (on average 1.8958790538892953) internal successors, (38875), 20506 states have internal predecessors, (38875), 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)
[2023-04-01 22:11:14,153 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16676
[2023-04-01 22:11:14,153 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-01 22:11:14,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-04-01 22:11:14,167 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-01 22:11:14,175 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-01 22:11:14,181 INFO  L85        PathProgramCache]: Analyzing trace with hash -730994611, now seen corresponding path program 1 times
[2023-04-01 22:11:14,187 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-04-01 22:11:14,188 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737779780]
[2023-04-01 22:11:14,190 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-01 22:11:14,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-01 22:11:19,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat