/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-267fbe0
[2020-07-18 00:24:27,718 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-18 00:24:27,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-18 00:24:27,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-18 00:24:27,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-18 00:24:27,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-18 00:24:27,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-18 00:24:27,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-18 00:24:27,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-18 00:24:27,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-18 00:24:27,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-18 00:24:27,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-18 00:24:27,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-18 00:24:27,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-18 00:24:27,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-18 00:24:27,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-18 00:24:27,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-18 00:24:27,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-18 00:24:27,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-18 00:24:27,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-18 00:24:27,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-18 00:24:27,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-18 00:24:27,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-18 00:24:27,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-18 00:24:27,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-18 00:24:27,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-18 00:24:27,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-18 00:24:27,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-18 00:24:27,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-18 00:24:27,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-18 00:24:27,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-18 00:24:27,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-18 00:24:27,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-18 00:24:27,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-18 00:24:27,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-18 00:24:27,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-18 00:24:27,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-18 00:24:27,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-18 00:24:27,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-18 00:24:27,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-18 00:24:27,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-18 00:24:27,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-07-18 00:24:27,785 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-18 00:24:27,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-18 00:24:27,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-18 00:24:27,787 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-18 00:24:27,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-18 00:24:27,789 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-18 00:24:27,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-18 00:24:27,789 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-18 00:24:27,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-18 00:24:27,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-18 00:24:27,790 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-07-18 00:24:27,790 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-18 00:24:27,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-18 00:24:27,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-18 00:24:27,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-18 00:24:27,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-07-18 00:24:27,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-18 00:24:27,791 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-07-18 00:24:28,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-18 00:24:28,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-18 00:24:28,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-18 00:24:28,158 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-18 00:24:28,159 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-18 00:24:28,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext.i
[2020-07-18 00:24:28,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c493b4236/3ccfef25de6544ceb765d0a4b0f5637c/FLAG0804d45b9
[2020-07-18 00:24:28,827 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-18 00:24:28,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/list-ext.i
[2020-07-18 00:24:28,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c493b4236/3ccfef25de6544ceb765d0a4b0f5637c/FLAG0804d45b9
[2020-07-18 00:24:29,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c493b4236/3ccfef25de6544ceb765d0a4b0f5637c
[2020-07-18 00:24:29,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-18 00:24:29,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-18 00:24:29,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-18 00:24:29,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-18 00:24:29,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-18 00:24:29,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2538e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29, skipping insertion in model container
[2020-07-18 00:24:29,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-18 00:24:29,192 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-18 00:24:29,650 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-18 00:24:29,663 INFO L203 MainTranslator]: Completed pre-run
[2020-07-18 00:24:29,718 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-18 00:24:29,804 INFO L208 MainTranslator]: Completed translation
[2020-07-18 00:24:29,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29 WrapperNode
[2020-07-18 00:24:29,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-18 00:24:29,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-18 00:24:29,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-18 00:24:29,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-18 00:24:29,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
[2020-07-18 00:24:29,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-18 00:24:29,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-18 00:24:29,896 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-18 00:24:29,897 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-18 00:24:29,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-18 00:24:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-18 00:24:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-18 00:24:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit
[2020-07-18 00:24:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-18 00:24:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-18 00:24:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-18 00:24:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-07-18 00:24:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-07-18 00:24:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-07-18 00:24:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-07-18 00:24:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-07-18 00:24:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-07-18 00:24:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-07-18 00:24:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-07-18 00:24:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-07-18 00:24:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-07-18 00:24:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-07-18 00:24:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-07-18 00:24:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-07-18 00:24:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-07-18 00:24:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-07-18 00:24:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-07-18 00:24:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-07-18 00:24:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-07-18 00:24:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-07-18 00:24:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-07-18 00:24:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-07-18 00:24:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-07-18 00:24:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-07-18 00:24:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-07-18 00:24:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-07-18 00:24:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-07-18 00:24:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-07-18 00:24:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-07-18 00:24:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-07-18 00:24:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-07-18 00:24:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-07-18 00:24:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-07-18 00:24:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2020-07-18 00:24:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-07-18 00:24:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-07-18 00:24:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-07-18 00:24:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-07-18 00:24:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-07-18 00:24:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure myexit
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-18 00:24:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-18 00:24:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-18 00:24:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-18 00:24:30,373 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2020-07-18 00:24:30,822 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-18 00:24:30,823 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-18 00:24:30,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:30 BoogieIcfgContainer
[2020-07-18 00:24:30,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-18 00:24:30,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-18 00:24:30,841 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-18 00:24:30,848 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-18 00:24:30,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:24:29" (1/3) ...
[2020-07-18 00:24:30,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a6e702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:30, skipping insertion in model container
[2020-07-18 00:24:30,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:29" (2/3) ...
[2020-07-18 00:24:30,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a6e702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:30, skipping insertion in model container
[2020-07-18 00:24:30,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:30" (3/3) ...
[2020-07-18 00:24:30,853 INFO L109 eAbstractionObserver]: Analyzing ICFG list-ext.i
[2020-07-18 00:24:30,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-07-18 00:24:30,873 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-18 00:24:30,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-18 00:24:30,907 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-18 00:24:30,907 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-18 00:24:30,908 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-07-18 00:24:30,908 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-18 00:24:30,908 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-18 00:24:30,908 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-18 00:24:30,908 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-18 00:24:30,908 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-18 00:24:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states.
[2020-07-18 00:24:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-07-18 00:24:30,947 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 00:24:30,948 INFO L422 BasicCegarLoop]: 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]
[2020-07-18 00:24:30,949 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 00:24:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 00:24:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash 450995297, now seen corresponding path program 1 times
[2020-07-18 00:24:30,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 00:24:30,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186068507]
[2020-07-18 00:24:30,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 00:24:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:31,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {109#true} is VALID
[2020-07-18 00:24:31,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {109#true} #valid := #valid[0 := 0]; {109#true} is VALID
[2020-07-18 00:24:31,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {109#true} assume 0 < #StackHeapBarrier; {109#true} is VALID
[2020-07-18 00:24:31,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {109#true} assume true; {109#true} is VALID
[2020-07-18 00:24:31,197 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {109#true} {109#true} #214#return; {109#true} is VALID
[2020-07-18 00:24:31,203 INFO L263 TraceCheckUtils]: 0: Hoare triple {109#true} call ULTIMATE.init(); {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-18 00:24:31,203 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {109#true} is VALID
[2020-07-18 00:24:31,204 INFO L280 TraceCheckUtils]: 2: Hoare triple {109#true} #valid := #valid[0 := 0]; {109#true} is VALID
[2020-07-18 00:24:31,204 INFO L280 TraceCheckUtils]: 3: Hoare triple {109#true} assume 0 < #StackHeapBarrier; {109#true} is VALID
[2020-07-18 00:24:31,204 INFO L280 TraceCheckUtils]: 4: Hoare triple {109#true} assume true; {109#true} is VALID
[2020-07-18 00:24:31,205 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {109#true} {109#true} #214#return; {109#true} is VALID
[2020-07-18 00:24:31,205 INFO L263 TraceCheckUtils]: 6: Hoare triple {109#true} call #t~ret22 := main(); {109#true} is VALID
[2020-07-18 00:24:31,206 INFO L280 TraceCheckUtils]: 7: Hoare triple {109#true} ~i~0 := 0; {109#true} is VALID
[2020-07-18 00:24:31,206 INFO L280 TraceCheckUtils]: 8: Hoare triple {109#true} ~y~0 := 0; {109#true} is VALID
[2020-07-18 00:24:31,206 INFO L280 TraceCheckUtils]: 9: Hoare triple {109#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L523 {109#true} is VALID
[2020-07-18 00:24:31,207 INFO L280 TraceCheckUtils]: 10: Hoare triple {109#true} ~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {109#true} is VALID
[2020-07-18 00:24:31,207 INFO L280 TraceCheckUtils]: 11: Hoare triple {109#true} assume !(~a~0.base == 0 && ~a~0.offset == 0); {109#true} is VALID
[2020-07-18 00:24:31,207 INFO L280 TraceCheckUtils]: 12: Hoare triple {109#true} havoc ~t~0.base, ~t~0.offset; {109#true} is VALID
[2020-07-18 00:24:31,208 INFO L280 TraceCheckUtils]: 13: Hoare triple {109#true} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {109#true} is VALID
[2020-07-18 00:24:31,210 INFO L280 TraceCheckUtils]: 14: Hoare triple {109#true} assume !true; {110#false} is VALID
[2020-07-18 00:24:31,211 INFO L280 TraceCheckUtils]: 15: Hoare triple {110#false} assume !true; {110#false} is VALID
[2020-07-18 00:24:31,211 INFO L280 TraceCheckUtils]: 16: Hoare triple {110#false} SUMMARY for call write~int(3, ~p~0.base, ~p~0.offset, 4); srcloc: L535-11 {110#false} is VALID
[2020-07-18 00:24:31,211 INFO L280 TraceCheckUtils]: 17: Hoare triple {110#false} SUMMARY for call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); srcloc: L543 {110#false} is VALID
[2020-07-18 00:24:31,212 INFO L280 TraceCheckUtils]: 18: Hoare triple {110#false} ~i~0 := 0; {110#false} is VALID
[2020-07-18 00:24:31,212 INFO L280 TraceCheckUtils]: 19: Hoare triple {110#false} ~y~0 := 0; {110#false} is VALID
[2020-07-18 00:24:31,213 INFO L280 TraceCheckUtils]: 20: Hoare triple {110#false} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {110#false} is VALID
[2020-07-18 00:24:31,213 INFO L280 TraceCheckUtils]: 21: Hoare triple {110#false} assume !true; {110#false} is VALID
[2020-07-18 00:24:31,213 INFO L280 TraceCheckUtils]: 22: Hoare triple {110#false} assume !true; {110#false} is VALID
[2020-07-18 00:24:31,214 INFO L280 TraceCheckUtils]: 23: Hoare triple {110#false} SUMMARY for call #t~mem19 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L552-5 {110#false} is VALID
[2020-07-18 00:24:31,214 INFO L280 TraceCheckUtils]: 24: Hoare triple {110#false} assume 3 != #t~mem19 || ~i~0 + ~y~0 < 20; {110#false} is VALID
[2020-07-18 00:24:31,214 INFO L280 TraceCheckUtils]: 25: Hoare triple {110#false} havoc #t~mem19; {110#false} is VALID
[2020-07-18 00:24:31,215 INFO L280 TraceCheckUtils]: 26: Hoare triple {110#false} assume !false; {110#false} is VALID
[2020-07-18 00:24:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-18 00:24:31,221 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration
[2020-07-18 00:24:31,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186068507]
[2020-07-18 00:24:31,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-18 00:24:31,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-18 00:24:31,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773913974]
[2020-07-18 00:24:31,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27
[2020-07-18 00:24:31,237 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-18 00:24:31,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states.
[2020-07-18 00:24:31,290 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:31,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-18 00:24:31,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-18 00:24:31,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-18 00:24:31,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-18 00:24:31,305 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states.
[2020-07-18 00:24:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:31,832 INFO L93 Difference]: Finished difference Result 176 states and 201 transitions.
[2020-07-18 00:24:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-18 00:24:31,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27
[2020-07-18 00:24:31,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-18 00:24:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2020-07-18 00:24:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions.
[2020-07-18 00:24:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2020-07-18 00:24:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions.
[2020-07-18 00:24:31,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 201 transitions.
[2020-07-18 00:24:32,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:32,181 INFO L225 Difference]: With dead ends: 176
[2020-07-18 00:24:32,181 INFO L226 Difference]: Without dead ends: 84
[2020-07-18 00:24:32,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-18 00:24:32,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2020-07-18 00:24:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2020-07-18 00:24:32,282 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-18 00:24:32,282 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states.
[2020-07-18 00:24:32,283 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states.
[2020-07-18 00:24:32,283 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states.
[2020-07-18 00:24:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:32,291 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions.
[2020-07-18 00:24:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions.
[2020-07-18 00:24:32,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:32,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:32,293 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states.
[2020-07-18 00:24:32,293 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states.
[2020-07-18 00:24:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:32,299 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions.
[2020-07-18 00:24:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions.
[2020-07-18 00:24:32,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:32,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:32,301 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-18 00:24:32,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-18 00:24:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2020-07-18 00:24:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions.
[2020-07-18 00:24:32,308 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 27
[2020-07-18 00:24:32,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-18 00:24:32,309 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions.
[2020-07-18 00:24:32,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-18 00:24:32,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 84 states and 89 transitions.
[2020-07-18 00:24:32,406 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions.
[2020-07-18 00:24:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-07-18 00:24:32,409 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 00:24:32,409 INFO L422 BasicCegarLoop]: 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]
[2020-07-18 00:24:32,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-18 00:24:32,410 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 00:24:32,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 00:24:32,410 INFO L82 PathProgramCache]: Analyzing trace with hash 797319425, now seen corresponding path program 1 times
[2020-07-18 00:24:32,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 00:24:32,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33874312]
[2020-07-18 00:24:32,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 00:24:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:32,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {816#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {807#true} is VALID
[2020-07-18 00:24:32,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {807#true} #valid := #valid[0 := 0]; {807#true} is VALID
[2020-07-18 00:24:32,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {807#true} assume 0 < #StackHeapBarrier; {807#true} is VALID
[2020-07-18 00:24:32,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {807#true} assume true; {807#true} is VALID
[2020-07-18 00:24:32,562 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {807#true} {807#true} #214#return; {807#true} is VALID
[2020-07-18 00:24:32,563 INFO L263 TraceCheckUtils]: 0: Hoare triple {807#true} call ULTIMATE.init(); {816#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-18 00:24:32,563 INFO L280 TraceCheckUtils]: 1: Hoare triple {816#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {807#true} is VALID
[2020-07-18 00:24:32,563 INFO L280 TraceCheckUtils]: 2: Hoare triple {807#true} #valid := #valid[0 := 0]; {807#true} is VALID
[2020-07-18 00:24:32,564 INFO L280 TraceCheckUtils]: 3: Hoare triple {807#true} assume 0 < #StackHeapBarrier; {807#true} is VALID
[2020-07-18 00:24:32,564 INFO L280 TraceCheckUtils]: 4: Hoare triple {807#true} assume true; {807#true} is VALID
[2020-07-18 00:24:32,564 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {807#true} {807#true} #214#return; {807#true} is VALID
[2020-07-18 00:24:32,564 INFO L263 TraceCheckUtils]: 6: Hoare triple {807#true} call #t~ret22 := main(); {807#true} is VALID
[2020-07-18 00:24:32,565 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#true} ~i~0 := 0; {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,566 INFO L280 TraceCheckUtils]: 8: Hoare triple {814#(= 0 main_~i~0)} ~y~0 := 0; {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,567 INFO L280 TraceCheckUtils]: 9: Hoare triple {814#(= 0 main_~i~0)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L523 {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {814#(= 0 main_~i~0)} ~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,569 INFO L280 TraceCheckUtils]: 11: Hoare triple {814#(= 0 main_~i~0)} assume !(~a~0.base == 0 && ~a~0.offset == 0); {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {814#(= 0 main_~i~0)} havoc ~t~0.base, ~t~0.offset; {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,571 INFO L280 TraceCheckUtils]: 13: Hoare triple {814#(= 0 main_~i~0)} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {814#(= 0 main_~i~0)} is VALID
[2020-07-18 00:24:32,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {814#(= 0 main_~i~0)} #t~short4 := ~i~0 < 10; {815#|main_#t~short4|} is VALID
[2020-07-18 00:24:32,574 INFO L280 TraceCheckUtils]: 15: Hoare triple {815#|main_#t~short4|} assume !#t~short4; {808#false} is VALID
[2020-07-18 00:24:32,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {808#false} assume !#t~short4; {808#false} is VALID
[2020-07-18 00:24:32,574 INFO L280 TraceCheckUtils]: 17: Hoare triple {808#false} havoc #t~nondet3; {808#false} is VALID
[2020-07-18 00:24:32,575 INFO L280 TraceCheckUtils]: 18: Hoare triple {808#false} havoc #t~short4; {808#false} is VALID
[2020-07-18 00:24:32,575 INFO L280 TraceCheckUtils]: 19: Hoare triple {808#false} #t~short9 := ~y~0 < 10; {808#false} is VALID
[2020-07-18 00:24:32,575 INFO L280 TraceCheckUtils]: 20: Hoare triple {808#false} assume !#t~short9; {808#false} is VALID
[2020-07-18 00:24:32,575 INFO L280 TraceCheckUtils]: 21: Hoare triple {808#false} assume !#t~short9; {808#false} is VALID
[2020-07-18 00:24:32,576 INFO L280 TraceCheckUtils]: 22: Hoare triple {808#false} havoc #t~nondet8; {808#false} is VALID
[2020-07-18 00:24:32,576 INFO L280 TraceCheckUtils]: 23: Hoare triple {808#false} havoc #t~short9; {808#false} is VALID
[2020-07-18 00:24:32,576 INFO L280 TraceCheckUtils]: 24: Hoare triple {808#false} SUMMARY for call write~int(3, ~p~0.base, ~p~0.offset, 4); srcloc: L535-11 {808#false} is VALID
[2020-07-18 00:24:32,577 INFO L280 TraceCheckUtils]: 25: Hoare triple {808#false} SUMMARY for call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); srcloc: L543 {808#false} is VALID
[2020-07-18 00:24:32,577 INFO L280 TraceCheckUtils]: 26: Hoare triple {808#false} ~i~0 := 0; {808#false} is VALID
[2020-07-18 00:24:32,577 INFO L280 TraceCheckUtils]: 27: Hoare triple {808#false} ~y~0 := 0; {808#false} is VALID
[2020-07-18 00:24:32,578 INFO L280 TraceCheckUtils]: 28: Hoare triple {808#false} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {808#false} is VALID
[2020-07-18 00:24:32,578 INFO L280 TraceCheckUtils]: 29: Hoare triple {808#false} SUMMARY for call #t~mem13 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L548-5 {808#false} is VALID
[2020-07-18 00:24:32,578 INFO L280 TraceCheckUtils]: 30: Hoare triple {808#false} assume !(1 == #t~mem13); {808#false} is VALID
[2020-07-18 00:24:32,578 INFO L280 TraceCheckUtils]: 31: Hoare triple {808#false} havoc #t~mem13; {808#false} is VALID
[2020-07-18 00:24:32,579 INFO L280 TraceCheckUtils]: 32: Hoare triple {808#false} SUMMARY for call #t~mem16 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L552-4 {808#false} is VALID
[2020-07-18 00:24:32,579 INFO L280 TraceCheckUtils]: 33: Hoare triple {808#false} assume !(2 == #t~mem16); {808#false} is VALID
[2020-07-18 00:24:32,579 INFO L280 TraceCheckUtils]: 34: Hoare triple {808#false} havoc #t~mem16; {808#false} is VALID
[2020-07-18 00:24:32,580 INFO L280 TraceCheckUtils]: 35: Hoare triple {808#false} SUMMARY for call #t~mem19 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L552-5 {808#false} is VALID
[2020-07-18 00:24:32,580 INFO L280 TraceCheckUtils]: 36: Hoare triple {808#false} assume 3 != #t~mem19 || ~i~0 + ~y~0 < 20; {808#false} is VALID
[2020-07-18 00:24:32,580 INFO L280 TraceCheckUtils]: 37: Hoare triple {808#false} havoc #t~mem19; {808#false} is VALID
[2020-07-18 00:24:32,581 INFO L280 TraceCheckUtils]: 38: Hoare triple {808#false} assume !false; {808#false} is VALID
[2020-07-18 00:24:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-18 00:24:32,587 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration
[2020-07-18 00:24:32,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33874312]
[2020-07-18 00:24:32,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-18 00:24:32,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-18 00:24:32,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29175827]
[2020-07-18 00:24:32,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39
[2020-07-18 00:24:32,589 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-18 00:24:32,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states.
[2020-07-18 00:24:32,632 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:32,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-18 00:24:32,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-18 00:24:32,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-18 00:24:32,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-18 00:24:32,633 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 5 states.
[2020-07-18 00:24:33,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:33,242 INFO L93 Difference]: Finished difference Result 209 states and 224 transitions.
[2020-07-18 00:24:33,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-18 00:24:33,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39
[2020-07-18 00:24:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-18 00:24:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-18 00:24:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 224 transitions.
[2020-07-18 00:24:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-18 00:24:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 224 transitions.
[2020-07-18 00:24:33,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 224 transitions.
[2020-07-18 00:24:33,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 224 edges. 224 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:33,495 INFO L225 Difference]: With dead ends: 209
[2020-07-18 00:24:33,495 INFO L226 Difference]: Without dead ends: 139
[2020-07-18 00:24:33,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-18 00:24:33,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2020-07-18 00:24:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 86.
[2020-07-18 00:24:33,548 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-18 00:24:33,548 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand 86 states.
[2020-07-18 00:24:33,548 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 86 states.
[2020-07-18 00:24:33,549 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 86 states.
[2020-07-18 00:24:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:33,557 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions.
[2020-07-18 00:24:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions.
[2020-07-18 00:24:33,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:33,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:33,559 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand 139 states.
[2020-07-18 00:24:33,559 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 139 states.
[2020-07-18 00:24:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:33,567 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions.
[2020-07-18 00:24:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions.
[2020-07-18 00:24:33,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:33,569 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:33,569 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-18 00:24:33,569 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-18 00:24:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states.
[2020-07-18 00:24:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions.
[2020-07-18 00:24:33,574 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 39
[2020-07-18 00:24:33,574 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-18 00:24:33,574 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions.
[2020-07-18 00:24:33,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-18 00:24:33,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 86 states and 91 transitions.
[2020-07-18 00:24:33,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions.
[2020-07-18 00:24:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-07-18 00:24:33,690 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 00:24:33,691 INFO L422 BasicCegarLoop]: 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]
[2020-07-18 00:24:33,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-18 00:24:33,691 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 00:24:33,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 00:24:33,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1111510308, now seen corresponding path program 1 times
[2020-07-18 00:24:33,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 00:24:33,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351570534]
[2020-07-18 00:24:33,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 00:24:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-18 00:24:33,776 INFO L280 TraceCheckUtils]: 0: Hoare triple {1700#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1691#true} is VALID
[2020-07-18 00:24:33,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID
[2020-07-18 00:24:33,777 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID
[2020-07-18 00:24:33,778 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume true; {1691#true} is VALID
[2020-07-18 00:24:33,778 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1691#true} {1691#true} #214#return; {1691#true} is VALID
[2020-07-18 00:24:33,779 INFO L263 TraceCheckUtils]: 0: Hoare triple {1691#true} call ULTIMATE.init(); {1700#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-18 00:24:33,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {1700#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1691#true} is VALID
[2020-07-18 00:24:33,780 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID
[2020-07-18 00:24:33,780 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID
[2020-07-18 00:24:33,781 INFO L280 TraceCheckUtils]: 4: Hoare triple {1691#true} assume true; {1691#true} is VALID
[2020-07-18 00:24:33,781 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1691#true} {1691#true} #214#return; {1691#true} is VALID
[2020-07-18 00:24:33,781 INFO L263 TraceCheckUtils]: 6: Hoare triple {1691#true} call #t~ret22 := main(); {1691#true} is VALID
[2020-07-18 00:24:33,782 INFO L280 TraceCheckUtils]: 7: Hoare triple {1691#true} ~i~0 := 0; {1691#true} is VALID
[2020-07-18 00:24:33,783 INFO L280 TraceCheckUtils]: 8: Hoare triple {1691#true} ~y~0 := 0; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,783 INFO L280 TraceCheckUtils]: 9: Hoare triple {1698#(= 0 main_~y~0)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L523 {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,784 INFO L280 TraceCheckUtils]: 10: Hoare triple {1698#(= 0 main_~y~0)} ~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,785 INFO L280 TraceCheckUtils]: 11: Hoare triple {1698#(= 0 main_~y~0)} assume !(~a~0.base == 0 && ~a~0.offset == 0); {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,786 INFO L280 TraceCheckUtils]: 12: Hoare triple {1698#(= 0 main_~y~0)} havoc ~t~0.base, ~t~0.offset; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,786 INFO L280 TraceCheckUtils]: 13: Hoare triple {1698#(= 0 main_~y~0)} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,787 INFO L280 TraceCheckUtils]: 14: Hoare triple {1698#(= 0 main_~y~0)} #t~short4 := ~i~0 < 10; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,788 INFO L280 TraceCheckUtils]: 15: Hoare triple {1698#(= 0 main_~y~0)} assume #t~short4; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,789 INFO L280 TraceCheckUtils]: 16: Hoare triple {1698#(= 0 main_~y~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,789 INFO L280 TraceCheckUtils]: 17: Hoare triple {1698#(= 0 main_~y~0)} #t~short4 := 0 != #t~nondet3; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,790 INFO L280 TraceCheckUtils]: 18: Hoare triple {1698#(= 0 main_~y~0)} assume !#t~short4; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,791 INFO L280 TraceCheckUtils]: 19: Hoare triple {1698#(= 0 main_~y~0)} havoc #t~nondet3; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,792 INFO L280 TraceCheckUtils]: 20: Hoare triple {1698#(= 0 main_~y~0)} havoc #t~short4; {1698#(= 0 main_~y~0)} is VALID
[2020-07-18 00:24:33,793 INFO L280 TraceCheckUtils]: 21: Hoare triple {1698#(= 0 main_~y~0)} #t~short9 := ~y~0 < 10; {1699#|main_#t~short9|} is VALID
[2020-07-18 00:24:33,793 INFO L280 TraceCheckUtils]: 22: Hoare triple {1699#|main_#t~short9|} assume !#t~short9; {1692#false} is VALID
[2020-07-18 00:24:33,794 INFO L280 TraceCheckUtils]: 23: Hoare triple {1692#false} assume !#t~short9; {1692#false} is VALID
[2020-07-18 00:24:33,794 INFO L280 TraceCheckUtils]: 24: Hoare triple {1692#false} havoc #t~nondet8; {1692#false} is VALID
[2020-07-18 00:24:33,794 INFO L280 TraceCheckUtils]: 25: Hoare triple {1692#false} havoc #t~short9; {1692#false} is VALID
[2020-07-18 00:24:33,795 INFO L280 TraceCheckUtils]: 26: Hoare triple {1692#false} SUMMARY for call write~int(3, ~p~0.base, ~p~0.offset, 4); srcloc: L535-11 {1692#false} is VALID
[2020-07-18 00:24:33,795 INFO L280 TraceCheckUtils]: 27: Hoare triple {1692#false} SUMMARY for call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); srcloc: L543 {1692#false} is VALID
[2020-07-18 00:24:33,795 INFO L280 TraceCheckUtils]: 28: Hoare triple {1692#false} ~i~0 := 0; {1692#false} is VALID
[2020-07-18 00:24:33,796 INFO L280 TraceCheckUtils]: 29: Hoare triple {1692#false} ~y~0 := 0; {1692#false} is VALID
[2020-07-18 00:24:33,796 INFO L280 TraceCheckUtils]: 30: Hoare triple {1692#false} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {1692#false} is VALID
[2020-07-18 00:24:33,796 INFO L280 TraceCheckUtils]: 31: Hoare triple {1692#false} SUMMARY for call #t~mem13 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L548-5 {1692#false} is VALID
[2020-07-18 00:24:33,796 INFO L280 TraceCheckUtils]: 32: Hoare triple {1692#false} assume !(1 == #t~mem13); {1692#false} is VALID
[2020-07-18 00:24:33,797 INFO L280 TraceCheckUtils]: 33: Hoare triple {1692#false} havoc #t~mem13; {1692#false} is VALID
[2020-07-18 00:24:33,797 INFO L280 TraceCheckUtils]: 34: Hoare triple {1692#false} SUMMARY for call #t~mem16 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L552-4 {1692#false} is VALID
[2020-07-18 00:24:33,797 INFO L280 TraceCheckUtils]: 35: Hoare triple {1692#false} assume !(2 == #t~mem16); {1692#false} is VALID
[2020-07-18 00:24:33,798 INFO L280 TraceCheckUtils]: 36: Hoare triple {1692#false} havoc #t~mem16; {1692#false} is VALID
[2020-07-18 00:24:33,798 INFO L280 TraceCheckUtils]: 37: Hoare triple {1692#false} SUMMARY for call #t~mem19 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L552-5 {1692#false} is VALID
[2020-07-18 00:24:33,798 INFO L280 TraceCheckUtils]: 38: Hoare triple {1692#false} assume 3 != #t~mem19 || ~i~0 + ~y~0 < 20; {1692#false} is VALID
[2020-07-18 00:24:33,798 INFO L280 TraceCheckUtils]: 39: Hoare triple {1692#false} havoc #t~mem19; {1692#false} is VALID
[2020-07-18 00:24:33,799 INFO L280 TraceCheckUtils]: 40: Hoare triple {1692#false} assume !false; {1692#false} is VALID
[2020-07-18 00:24:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-18 00:24:33,802 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration
[2020-07-18 00:24:33,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351570534]
[2020-07-18 00:24:33,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-18 00:24:33,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-18 00:24:33,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855071538]
[2020-07-18 00:24:33,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41
[2020-07-18 00:24:33,804 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-18 00:24:33,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states.
[2020-07-18 00:24:33,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:33,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-18 00:24:33,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-18 00:24:33,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-18 00:24:33,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-18 00:24:33,848 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 5 states.
[2020-07-18 00:24:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:34,393 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions.
[2020-07-18 00:24:34,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-18 00:24:34,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41
[2020-07-18 00:24:34,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-18 00:24:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-18 00:24:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 170 transitions.
[2020-07-18 00:24:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-18 00:24:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 170 transitions.
[2020-07-18 00:24:34,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 170 transitions.
[2020-07-18 00:24:34,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:34,577 INFO L225 Difference]: With dead ends: 162
[2020-07-18 00:24:34,578 INFO L226 Difference]: Without dead ends: 112
[2020-07-18 00:24:34,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-18 00:24:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2020-07-18 00:24:34,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88.
[2020-07-18 00:24:34,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-18 00:24:34,674 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 88 states.
[2020-07-18 00:24:34,674 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 88 states.
[2020-07-18 00:24:34,674 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 88 states.
[2020-07-18 00:24:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:34,679 INFO L93 Difference]: Finished difference Result 112 states and 118 transitions.
[2020-07-18 00:24:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions.
[2020-07-18 00:24:34,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:34,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:34,680 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 112 states.
[2020-07-18 00:24:34,680 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 112 states.
[2020-07-18 00:24:34,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-18 00:24:34,685 INFO L93 Difference]: Finished difference Result 112 states and 118 transitions.
[2020-07-18 00:24:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions.
[2020-07-18 00:24:34,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-18 00:24:34,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-18 00:24:34,686 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-18 00:24:34,686 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-18 00:24:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states.
[2020-07-18 00:24:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions.
[2020-07-18 00:24:34,690 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 41
[2020-07-18 00:24:34,690 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-18 00:24:34,690 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions.
[2020-07-18 00:24:34,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-18 00:24:34,690 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states and 93 transitions.
[2020-07-18 00:24:34,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-18 00:24:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions.
[2020-07-18 00:24:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-07-18 00:24:34,804 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-18 00:24:34,804 INFO L422 BasicCegarLoop]: 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]
[2020-07-18 00:24:34,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-07-18 00:24:34,804 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-18 00:24:34,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-18 00:24:34,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1931735873, now seen corresponding path program 1 times
[2020-07-18 00:24:34,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-18 00:24:34,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162951136]
[2020-07-18 00:24:34,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-18 00:24:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-18 00:24:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-18 00:24:34,907 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration
[2020-07-18 00:24:34,908 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-18 00:24:34,908 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-18 00:24:34,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: __uint16_identityENTRY has no Hoare annotation
[2020-07-18 00:24:34,933 WARN L170 areAnnotationChecker]: __uint64_identityENTRY has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: __uint32_identityENTRY has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 00:24:34,934 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation
[2020-07-18 00:24:34,935 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: __uint16_identityFINAL has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: __uint64_identityFINAL has no Hoare annotation
[2020-07-18 00:24:34,936 WARN L170 areAnnotationChecker]: L523 has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: __uint32_identityFINAL has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: L523-1 has no Hoare annotation
[2020-07-18 00:24:34,937 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L524-1 has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L524-1 has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L524-3 has no Hoare annotation
[2020-07-18 00:24:34,938 WARN L170 areAnnotationChecker]: L526 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L527-11 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L527-11 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L535-10 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L535-10 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation
[2020-07-18 00:24:34,939 WARN L170 areAnnotationChecker]: L535-11 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L535 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L535 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L527-5 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L527-5 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L535-1 has no Hoare annotation
[2020-07-18 00:24:34,940 WARN L170 areAnnotationChecker]: L535-4 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L535-4 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L527-3 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L527-6 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L527-9 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L535-2 has no Hoare annotation
[2020-07-18 00:24:34,941 WARN L170 areAnnotationChecker]: L535-5 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L535-8 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L527-7 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L527-10 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L535-6 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L535-9 has no Hoare annotation
[2020-07-18 00:24:34,942 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L547 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L528-1 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L548-5 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L548-5 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation
[2020-07-18 00:24:34,943 WARN L170 areAnnotationChecker]: L528-2 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L552-4 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L552-4 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L536-2 has no Hoare annotation
[2020-07-18 00:24:34,944 WARN L170 areAnnotationChecker]: L529 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L552-5 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L548-2 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L548-4 has no Hoare annotation
[2020-07-18 00:24:34,945 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L529-1 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L552-1 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L552-3 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L549 has no Hoare annotation
[2020-07-18 00:24:34,946 WARN L170 areAnnotationChecker]: L537-1 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L556-3 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L549-1 has no Hoare annotation
[2020-07-18 00:24:34,947 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L557 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L557 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L553-1 has no Hoare annotation
[2020-07-18 00:24:34,948 WARN L170 areAnnotationChecker]: L549-2 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L531-3 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L559-5 has no Hoare annotation
[2020-07-18 00:24:34,949 WARN L170 areAnnotationChecker]: L559-5 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L553-2 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L539-1 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L539-1 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L539-3 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L559-6 has no Hoare annotation
[2020-07-18 00:24:34,950 WARN L170 areAnnotationChecker]: L559-1 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L559-1 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L550-1 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation
[2020-07-18 00:24:34,951 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L559-2 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L559-4 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L554-1 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L550-2 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation
[2020-07-18 00:24:34,952 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: L541-1 has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: L560-1 has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation
[2020-07-18 00:24:34,953 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation
[2020-07-18 00:24:34,954 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation
[2020-07-18 00:24:34,954 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing.
[2020-07-18 00:24:34,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:24:34 BoogieIcfgContainer
[2020-07-18 00:24:34,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-18 00:24:34,962 INFO L168 Benchmark]: Toolchain (without parser) took 5850.14 ms. Allocated memory was 145.2 MB in the beginning and 284.7 MB in the end (delta: 139.5 MB). Free memory was 101.8 MB in the beginning and 95.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 145.7 MB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,963 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.27 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.4 MB in the beginning and 166.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,965 INFO L168 Benchmark]: Boogie Preprocessor took 89.98 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 162.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,965 INFO L168 Benchmark]: RCFGBuilder took 931.54 ms. Allocated memory is still 201.9 MB. Free memory was 162.1 MB in the beginning and 90.1 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,966 INFO L168 Benchmark]: TraceAbstraction took 4117.71 ms. Allocated memory was 235.4 MB in the beginning and 284.7 MB in the end (delta: 49.3 MB). Free memory was 207.9 MB in the beginning and 95.6 MB in the end (delta: 112.2 MB). Peak memory consumption was 161.5 MB. Max. memory is 7.1 GB.
[2020-07-18 00:24:34,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- AssertionsEnabledResult: Assertions are enabled
Assertions are enabled
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 690.27 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.4 MB in the beginning and 166.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 89.98 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 162.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 931.54 ms. Allocated memory is still 201.9 MB. Free memory was 162.1 MB in the beginning and 90.1 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4117.71 ms. Allocated memory was 235.4 MB in the beginning and 284.7 MB in the end (delta: 49.3 MB). Free memory was 207.9 MB in the beginning and 95.6 MB in the end (delta: 112.2 MB). Peak memory consumption was 161.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 557]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L521] int i = 0;
[L522] int y = 0;
[L523] List a = (List) malloc(sizeof(struct node));
[L524] COND FALSE !(a == 0)
[L525] List t;
[L526] List p = a;
[L527] i < 10 && __VERIFIER_nondet_int()
[L527] i < 10 && __VERIFIER_nondet_int()
[L527] COND FALSE !(i < 10 && __VERIFIER_nondet_int())
[L535] y < 10 && __VERIFIER_nondet_int()
[L535] y < 10 && __VERIFIER_nondet_int()
[L535] COND FALSE !(y < 10 && __VERIFIER_nondet_int())
[L543] p->h = 3
[L544] p->n = 0
[L545] i = 0
[L546] y = 0
[L547] p = a
[L548] EXPR p->h
[L548] COND FALSE !(p->h == 1)
[L552] EXPR p->h
[L552] COND FALSE !(p->h == 2)
[L556] EXPR p->h
[L556] COND TRUE p->h != 3 || (i + y) < 20
[L557] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 9 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 127 SDslu, 271 SDs, 0 SdLazy, 315 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 77 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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!
Received shutdown request...