/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/ldv-regression/fo_test.i


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


This is Ultimate 0.2.3-dev-f954360
[2023-04-01 04:49:02,774 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-01 04:49:02,776 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2023-04-01 04:49:02,810 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-01 04:49:02,813 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2023-04-01 04:49:02,815 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2023-04-01 04:49:02,821 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
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[2023-04-01 04:49:02,822 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2023-04-01 04:49:02,827 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-01 04:49:02,828 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2023-04-01 04:49:02,830 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2023-04-01 04:49:02,847 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-04-01 04:49:02,850 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2023-04-01 04:49:02,854 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-01 04:49:02,855 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-01 04:49:02,856 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
[2023-04-01 04:49:02,879 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-01 04:49:02,880 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-01 04:49:02,880 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-01 04:49:02,880 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-01 04:49:02,881 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-01 04:49:02,881 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-01 04:49:02,881 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-01 04:49:02,881 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-01 04:49:02,881 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-01 04:49:02,882 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-01 04:49:02,882 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-01 04:49:02,882 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-01 04:49:02,882 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-01 04:49:02,882 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-01 04:49:02,883 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-01 04:49:02,883 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-01 04:49:02,883 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-01 04:49:02,883 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-01 04:49:02,883 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-01 04:49:02,884 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-01 04:49:02,885 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-01 04:49:02,885 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-01 04:49:02,886 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-01 04:49:02,886 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-01 04:49:02,886 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-01 04:49:03,103 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-01 04:49:03,129 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-01 04:49:03,131 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-01 04:49:03,132 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-01 04:49:03,133 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-01 04:49:03,134 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/fo_test.i
[2023-04-01 04:49:04,236 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-01 04:49:04,467 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-01 04:49:04,467 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/fo_test.i
[2023-04-01 04:49:04,480 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9862be09e/bc0987b615444a9c8102e28d6cbb9a95/FLAG3f6b4bacc
[2023-04-01 04:49:04,494 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9862be09e/bc0987b615444a9c8102e28d6cbb9a95
[2023-04-01 04:49:04,496 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-01 04:49:04,497 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-01 04:49:04,499 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-01 04:49:04,499 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-01 04:49:04,502 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-01 04:49:04,502 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:04,503 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a2ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04, skipping insertion in model container
[2023-04-01 04:49:04,504 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:04,508 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-01 04:49:04,544 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-01 04:49:04,876 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/ldv-regression/fo_test.i[40440,40453]
[2023-04-01 04:49:04,892 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-01 04:49:04,901 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-01 04:49:04,935 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/ldv-regression/fo_test.i[40440,40453]
[2023-04-01 04:49:04,938 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-01 04:49:04,965 WARN  L667               CHandler]: The function read is called, but not defined or handled by StandardFunctionHandler.
[2023-04-01 04:49:04,970 INFO  L208         MainTranslator]: Completed translation
[2023-04-01 04:49:04,970 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04 WrapperNode
[2023-04-01 04:49:04,970 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-01 04:49:04,971 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-01 04:49:04,971 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-01 04:49:04,972 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-01 04:49:04,979 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:04,979 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,002 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,003 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,025 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,033 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,040 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,042 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,048 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-01 04:49:05,063 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-01 04:49:05,063 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-01 04:49:05,063 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-01 04:49:05,064 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (1/1) ...
[2023-04-01 04:49:05,070 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-01 04:49:05,079 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-01 04:49:05,093 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 04:49:05,113 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 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2023-04-01 04:49:05,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __blast_assert
[2023-04-01 04:49:05,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure open
[2023-04-01 04:49:05,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-01 04:49:05,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_read
[2023-04-01 04:49:05,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure l_open
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2023-04-01 04:49:05,125 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2023-04-01 04:49:05,126 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2023-04-01 04:49:05,127 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2023-04-01 04:49:05,128 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2023-04-01 04:49:05,129 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2023-04-01 04:49:05,130 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2023-04-01 04:49:05,131 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2023-04-01 04:49:05,132 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure access
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure faccessat
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure lseek
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure close
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure read
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write
[2023-04-01 04:49:05,133 INFO  L130     BoogieDeclarations]: Found specification of procedure pread
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure pwrite
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure pipe
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure alarm
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure sleep
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure ualarm
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure usleep
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure pause
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure chown
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure fchown
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure lchown
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure fchownat
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure chdir
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure fchdir
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure getcwd
[2023-04-01 04:49:05,134 INFO  L130     BoogieDeclarations]: Found specification of procedure getwd
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure dup
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure dup2
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execve
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure fexecve
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execv
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execle
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execl
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execvp
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure execlp
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure nice
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure _exit
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure pathconf
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure fpathconf
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure sysconf
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure confstr
[2023-04-01 04:49:05,135 INFO  L130     BoogieDeclarations]: Found specification of procedure getpid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getppid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getpgrp
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure __getpgid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getpgid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setpgid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setpgrp
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setsid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getsid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getuid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure geteuid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getgid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getegid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure getgroups
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setuid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure setreuid
[2023-04-01 04:49:05,136 INFO  L130     BoogieDeclarations]: Found specification of procedure seteuid
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure setgid
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure setregid
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure setegid
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure fork
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure vfork
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure ttyname
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure ttyname_r
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure isatty
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure ttyslot
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure link
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure linkat
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure symlink
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure readlink
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure symlinkat
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure readlinkat
[2023-04-01 04:49:05,137 INFO  L130     BoogieDeclarations]: Found specification of procedure unlink
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure unlinkat
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure rmdir
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure tcgetpgrp
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure tcsetpgrp
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure getlogin
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure getlogin_r
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure setlogin
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure getopt
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure gethostname
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure sethostname
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure sethostid
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure getdomainname
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure setdomainname
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure vhangup
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure revoke
[2023-04-01 04:49:05,138 INFO  L130     BoogieDeclarations]: Found specification of procedure profil
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure acct
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure getusershell
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure endusershell
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure setusershell
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure daemon
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure chroot
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure getpass
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure fsync
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure gethostid
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure sync
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure getpagesize
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure getdtablesize
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure truncate
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure ftruncate
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure brk
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure sbrk
[2023-04-01 04:49:05,139 INFO  L130     BoogieDeclarations]: Found specification of procedure syscall
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure lockf
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure fdatasync
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure getentropy
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure __blast_assert
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure open
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure l_read
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure l_open
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-01 04:49:05,140 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-01 04:49:05,458 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-01 04:49:05,459 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-01 04:49:05,562 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-01 04:49:05,609 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-01 04:49:05,610 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-04-01 04:49:05,613 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:49:05 BoogieIcfgContainer
[2023-04-01 04:49:05,614 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-01 04:49:05,618 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-01 04:49:05,618 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-01 04:49:05,620 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-01 04:49:05,620 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 04:49:04" (1/3) ...
[2023-04-01 04:49:05,624 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75570769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:49:05, skipping insertion in model container
[2023-04-01 04:49:05,624 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:49:04" (2/3) ...
[2023-04-01 04:49:05,624 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75570769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:49:05, skipping insertion in model container
[2023-04-01 04:49:05,625 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:49:05" (3/3) ...
[2023-04-01 04:49:05,626 INFO  L112   eAbstractionObserver]: Analyzing ICFG fo_test.i
[2023-04-01 04:49:05,640 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-01 04:49:05,640 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-01 04:49:05,708 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-01 04:49:05,714 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;@7b2ddce4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-01 04:49:05,714 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-01 04:49:05,717 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 26 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 14 states have internal predecessors, (14), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-04-01 04:49:05,722 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-04-01 04:49:05,722 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-01 04:49:05,723 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-01 04:49:05,724 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-01 04:49:05,729 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-01 04:49:05,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 1191805511, now seen corresponding path program 1 times
[2023-04-01 04:49:05,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-01 04:49:05,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045327714]
[2023-04-01 04:49:05,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-01 04:49:05,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-01 04:49:05,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-01 04:49:05,926 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-04-01 04:49:05,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-01 04:49:06,006 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-04-01 04:49:06,007 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-04-01 04:49:06,009 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-04-01 04:49:06,012 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-04-01 04:49:06,015 INFO  L445         BasicCegarLoop]: Path program histogram: [1]
[2023-04-01 04:49:06,018 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-04-01 04:49:06,038 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 04:49:06 BoogieIcfgContainer
[2023-04-01 04:49:06,038 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-04-01 04:49:06,039 INFO  L158              Benchmark]: Toolchain (without parser) took 1542.18ms. Allocated memory is still 213.9MB. Free memory was 177.4MB in the beginning and 160.5MB in the end (delta: 16.9MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB.
[2023-04-01 04:49:06,039 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 125.5MB in the beginning and 125.3MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-04-01 04:49:06,040 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 471.61ms. Allocated memory is still 213.9MB. Free memory was 177.4MB in the beginning and 151.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-04-01 04:49:06,041 INFO  L158              Benchmark]: Boogie Preprocessor took 77.20ms. Allocated memory is still 213.9MB. Free memory was 151.7MB in the beginning and 145.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB.
[2023-04-01 04:49:06,041 INFO  L158              Benchmark]: RCFGBuilder took 550.87ms. Allocated memory is still 213.9MB. Free memory was 145.4MB in the beginning and 111.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB.
[2023-04-01 04:49:06,044 INFO  L158              Benchmark]: TraceAbstraction took 420.87ms. Allocated memory is still 213.9MB. Free memory was 111.3MB in the beginning and 160.5MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-04-01 04:49:06,047 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 125.5MB in the beginning and 125.3MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 471.61ms. Allocated memory is still 213.9MB. Free memory was 177.4MB in the beginning and 151.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 77.20ms. Allocated memory is still 213.9MB. Free memory was 151.7MB in the beginning and 145.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB.
 * RCFGBuilder took 550.87ms. Allocated memory is still 213.9MB. Free memory was 145.4MB in the beginning and 111.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 420.87ms. Allocated memory is still 213.9MB. Free memory was 111.3MB in the beginning and 160.5MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 980]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L987]               int globalState = 0;
[L992]   CALL, EXPR  l_open("unknown",00)
         VAL         [\old(flags)=0, \old(globalState)=0, file={4:0}, globalState=0]
[L1002]  CALL, EXPR  open(file,flags)
         VAL         [\old(__oflag)=0, \old(globalState)=0, __file={4:0}, globalState=0]
[L985]               return __VERIFIER_nondet_int();
[L1002]  RET, EXPR   open(file,flags)
         VAL         [\old(flags)=0, \old(globalState)=0, file={4:0}, file={4:0}, flags=0, globalState=0, open(file,flags)=0]
[L1002]              int fd = open(file,flags);
[L1003]  COND FALSE  !(fd>0)
[L1004]              return fd;
[L992]   RET, EXPR   l_open("unknown",00)
         VAL         [\old(argc)=1151, \old(globalState)=0, argc=1151, argv={1153:1155}, argv={1153:1155}, globalState=0, l_open("unknown",00)=0]
[L992]               int file = l_open("unknown",00);
[L993]               void* cbuf = (void*) malloc(sizeof(char)*100);
[L994]   CALL        l_read(file,cbuf,99)
         VAL         [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={-1:0}, globalState=0]
[L998]               (globalState == 1) ? (0) : __blast_assert ()
         VAL         [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={-1:0}, cbuf={-1:0}, count=99, fd=0, globalState=0]
[L998]   CALL        __blast_assert ()
         VAL         [\old(globalState)=0, globalState=0]
[L980]               reach_error()
         VAL         [\old(globalState)=0, globalState=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 13 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-04-01 04:49:06,068 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...