/usr/bin/java -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-3af5e1f
[2020-09-04 13:31:19,169 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 13:31:19,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 13:31:19,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 13:31:19,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 13:31:19,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 13:31:19,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-04 13:31:19,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-04 13:31:19,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-04 13:31:19,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-04 13:31:19,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-04 13:31:19,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-04 13:31:19,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-04 13:31:19,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-04 13:31:19,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-04 13:31:19,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-04 13:31:19,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-04 13:31:19,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-04 13:31:19,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-04 13:31:19,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-04 13:31:19,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-04 13:31:19,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-04 13:31:19,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-04 13:31:19,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-04 13:31:19,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-04 13:31:19,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-04 13:31:19,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-04 13:31:19,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-04 13:31:19,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-04 13:31:19,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-04 13:31:19,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-04 13:31:19,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-04 13:31:19,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-04 13:31:19,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-04 13:31:19,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-04 13:31:19,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-04 13:31:19,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-04 13:31:19,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-04 13:31:19,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-04 13:31:19,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-04 13:31:19,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-04 13:31:19,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-04 13:31:19,332 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 13:31:19,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 13:31:19,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-04 13:31:19,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-04 13:31:19,334 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-04 13:31:19,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 13:31:19,334 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 13:31:19,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 13:31:19,335 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 13:31:19,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 13:31:19,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 13:31:19,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 13:31:19,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 13:31:19,336 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 13:31:19,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 13:31:19,336 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 13:31:19,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 13:31:19,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 13:31:19,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-04 13:31:19,337 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 13:31:19,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 13:31:19,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 13:31:19,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 13:31:19,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-04 13:31:19,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-04 13:31:19,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-04 13:31:19,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-04 13:31:19,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 13:31:19,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-04 13:31:19,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-04 13:31:19,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 13:31:19,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 13:31:19,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 13:31:19,834 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 13:31:19,834 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 13:31:19,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i
[2020-09-04 13:31:19,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc127472d/f819f87d4769433684af06684ded6480/FLAG2e49626b9
[2020-09-04 13:31:20,645 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 13:31:20,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i
[2020-09-04 13:31:20,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc127472d/f819f87d4769433684af06684ded6480/FLAG2e49626b9
[2020-09-04 13:31:20,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc127472d/f819f87d4769433684af06684ded6480
[2020-09-04 13:31:20,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 13:31:20,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 13:31:20,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 13:31:20,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 13:31:20,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 13:31:20,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:31:20" (1/1) ...
[2020-09-04 13:31:20,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecab255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:20, skipping insertion in model container
[2020-09-04 13:31:20,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:31:20" (1/1) ...
[2020-09-04 13:31:20,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 13:31:20,968 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 13:31:21,522 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:31:21,534 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 13:31:21,598 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:31:21,672 INFO L208 MainTranslator]: Completed translation
[2020-09-04 13:31:21,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21 WrapperNode
[2020-09-04 13:31:21,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 13:31:21,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 13:31:21,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 13:31:21,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 13:31:21,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
[2020-09-04 13:31:21,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 13:31:21,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 13:31:21,764 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 13:31:21,765 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 13:31:21,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-04 13:31:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 13:31:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 13:31:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-09-04 13:31:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-09-04 13:31:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-04 13:31:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-04 13:31:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc
[2020-09-04 13:31:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD
[2020-09-04 13:31:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add
[2020-09-04 13:31:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del
[2020-09-04 13:31:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add
[2020-09-04 13:31:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail
[2020-09-04 13:31:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del
[2020-09-04 13:31:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty
[2020-09-04 13:31:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set
[2020-09-04 13:31:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2020-09-04 13:31:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del
[2020-09-04 13:31:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set
[2020-09-04 13:31:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty
[2020-09-04 13:31:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-04 13:31:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock
[2020-09-04 13:31:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2020-09-04 13:31:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-04 13:31:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2020-09-04 13:31:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 13:31:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-09-04 13:31:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-09-04 13:31:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-09-04 13:31:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-09-04 13:31:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-09-04 13:31:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-09-04 13:31:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-09-04 13:31:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-09-04 13:31:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-09-04 13:31:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-09-04 13:31:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-09-04 13:31:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-09-04 13:31:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-09-04 13:31:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-09-04 13:31:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-09-04 13:31:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-09-04 13:31:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-09-04 13:31:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-09-04 13:31:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-09-04 13:31:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-09-04 13:31:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-09-04 13:31:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-09-04 13:31:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-09-04 13:31:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-09-04 13:31:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-09-04 13:31:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-09-04 13:31:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-09-04 13:31:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-09-04 13:31:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-09-04 13:31:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-09-04 13:31:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-09-04 13:31:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-09-04 13:31:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-04 13:31:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-04 13:31:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-09-04 13:31:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-04 13:31:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-09-04 13:31:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-09-04 13:31:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-09-04 13:31:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-09-04 13:31:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-04 13:31:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-09-04 13:31:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-09-04 13:31:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-04 13:31:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-09-04 13:31:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-09-04 13:31:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-09-04 13:31:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-09-04 13:31:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-09-04 13:31:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-09-04 13:31:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-09-04 13:31:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-09-04 13:31:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-09-04 13:31:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-09-04 13:31:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-09-04 13:31:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-09-04 13:31:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-09-04 13:31:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-09-04 13:31:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-09-04 13:31:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 13:31:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-04 13:31:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-04 13:31:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add
[2020-09-04 13:31:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del
[2020-09-04 13:31:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add
[2020-09-04 13:31:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-04 13:31:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail
[2020-09-04 13:31:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del
[2020-09-04 13:31:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty
[2020-09-04 13:31:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set
[2020-09-04 13:31:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add
[2020-09-04 13:31:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del
[2020-09-04 13:31:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set
[2020-09-04 13:31:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty
[2020-09-04 13:31:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-04 13:31:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 13:31:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 13:31:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-04 13:31:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-04 13:31:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 13:31:22,636 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 13:31:22,636 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-04 13:31:22,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:31:22 BoogieIcfgContainer
[2020-09-04 13:31:22,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 13:31:22,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 13:31:22,644 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 13:31:22,648 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 13:31:22,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:31:20" (1/3) ...
[2020-09-04 13:31:22,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec6361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:31:22, skipping insertion in model container
[2020-09-04 13:31:22,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:21" (2/3) ...
[2020-09-04 13:31:22,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec6361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:31:22, skipping insertion in model container
[2020-09-04 13:31:22,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:31:22" (3/3) ...
[2020-09-04 13:31:22,653 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i
[2020-09-04 13:31:22,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-09-04 13:31:22,677 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2020-09-04 13:31:22,700 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-09-04 13:31:22,733 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 13:31:22,733 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 13:31:22,733 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-09-04 13:31:22,733 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 13:31:22,733 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 13:31:22,733 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 13:31:22,734 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 13:31:22,734 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 13:31:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states.
[2020-09-04 13:31:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-09-04 13:31:22,772 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:22,774 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:22,775 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:22,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:22,783 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times
[2020-09-04 13:31:22,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:22,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560821672]
[2020-09-04 13:31:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:31:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-04 13:31:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2020-09-04 13:31:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-09-04 13:31:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-04 13:31:23,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560821672]
[2020-09-04 13:31:23,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:31:23,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-04 13:31:23,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851939390]
[2020-09-04 13:31:23,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-04 13:31:23,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:31:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-04 13:31:23,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-04 13:31:23,243 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states.
[2020-09-04 13:31:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:31:23,552 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions.
[2020-09-04 13:31:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-04 13:31:23,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42
[2020-09-04 13:31:23,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:31:23,572 INFO L225 Difference]: With dead ends: 217
[2020-09-04 13:31:23,572 INFO L226 Difference]: Without dead ends: 111
[2020-09-04 13:31:23,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-04 13:31:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2020-09-04 13:31:23,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98.
[2020-09-04 13:31:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states.
[2020-09-04 13:31:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions.
[2020-09-04 13:31:23,650 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 42
[2020-09-04 13:31:23,650 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:31:23,651 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions.
[2020-09-04 13:31:23,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-04 13:31:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions.
[2020-09-04 13:31:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-09-04 13:31:23,654 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:23,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:23,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 13:31:23,655 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:23,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:23,655 INFO L82 PathProgramCache]: Analyzing trace with hash -934339182, now seen corresponding path program 1 times
[2020-09-04 13:31:23,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:23,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656588765]
[2020-09-04 13:31:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:31:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-04 13:31:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2020-09-04 13:31:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-09-04 13:31:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-04 13:31:23,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656588765]
[2020-09-04 13:31:23,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:31:23,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-04 13:31:23,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701698560]
[2020-09-04 13:31:23,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-04 13:31:23,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:31:23,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-04 13:31:23,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-04 13:31:23,949 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 6 states.
[2020-09-04 13:31:24,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:31:24,434 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions.
[2020-09-04 13:31:24,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-04 13:31:24,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42
[2020-09-04 13:31:24,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:31:24,438 INFO L225 Difference]: With dead ends: 117
[2020-09-04 13:31:24,438 INFO L226 Difference]: Without dead ends: 115
[2020-09-04 13:31:24,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:31:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-09-04 13:31:24,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102.
[2020-09-04 13:31:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states.
[2020-09-04 13:31:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions.
[2020-09-04 13:31:24,462 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42
[2020-09-04 13:31:24,463 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:31:24,463 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions.
[2020-09-04 13:31:24,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-04 13:31:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions.
[2020-09-04 13:31:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-09-04 13:31:24,465 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:24,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:24,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-04 13:31:24,466 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:24,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:24,466 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times
[2020-09-04 13:31:24,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:24,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651151708]
[2020-09-04 13:31:24,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:31:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-04 13:31:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2020-09-04 13:31:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-09-04 13:31:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-04 13:31:24,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651151708]
[2020-09-04 13:31:24,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:31:24,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-04 13:31:24,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027700824]
[2020-09-04 13:31:24,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-04 13:31:24,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:31:24,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-04 13:31:24,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:31:24,784 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states.
[2020-09-04 13:31:25,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:31:25,911 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions.
[2020-09-04 13:31:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-04 13:31:25,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42
[2020-09-04 13:31:25,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:31:25,918 INFO L225 Difference]: With dead ends: 288
[2020-09-04 13:31:25,918 INFO L226 Difference]: Without dead ends: 200
[2020-09-04 13:31:25,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182
[2020-09-04 13:31:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states.
[2020-09-04 13:31:25,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163.
[2020-09-04 13:31:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-09-04 13:31:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions.
[2020-09-04 13:31:25,971 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42
[2020-09-04 13:31:25,972 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:31:25,972 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions.
[2020-09-04 13:31:25,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-04 13:31:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions.
[2020-09-04 13:31:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2020-09-04 13:31:25,977 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:25,977 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:25,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-04 13:31:25,978 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:25,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:25,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times
[2020-09-04 13:31:25,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:25,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153750855]
[2020-09-04 13:31:25,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:31:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-04 13:31:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2020-09-04 13:31:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-04 13:31:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-09-04 13:31:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2020-09-04 13:31:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked.
[2020-09-04 13:31:26,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153750855]
[2020-09-04 13:31:26,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241552265]
[2020-09-04 13:31:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:31:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-09-04 13:31:26,406 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:31:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2020-09-04 13:31:26,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:31:26,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7
[2020-09-04 13:31:26,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729125179]
[2020-09-04 13:31:26,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-04 13:31:26,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:31:26,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-04 13:31:26,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:31:26,507 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 4 states.
[2020-09-04 13:31:26,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:31:26,535 INFO L93 Difference]: Finished difference Result 294 states and 350 transitions.
[2020-09-04 13:31:26,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-04 13:31:26,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90
[2020-09-04 13:31:26,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:31:26,539 INFO L225 Difference]: With dead ends: 294
[2020-09-04 13:31:26,539 INFO L226 Difference]: Without dead ends: 169
[2020-09-04 13:31:26,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:31:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2020-09-04 13:31:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169.
[2020-09-04 13:31:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states.
[2020-09-04 13:31:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions.
[2020-09-04 13:31:26,564 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90
[2020-09-04 13:31:26,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:31:26,565 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions.
[2020-09-04 13:31:26,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-04 13:31:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions.
[2020-09-04 13:31:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2020-09-04 13:31:26,567 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:26,567 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:26,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:31:26,783 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:26,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:26,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times
[2020-09-04 13:31:26,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:26,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519555342]
[2020-09-04 13:31:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:31:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-04 13:31:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2020-09-04 13:31:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-04 13:31:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-09-04 13:31:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-04 13:31:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-04 13:31:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2020-09-04 13:31:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2020-09-04 13:31:27,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519555342]
[2020-09-04 13:31:27,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177400711]
[2020-09-04 13:31:27,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:31:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:31:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 53 conjunts are in the unsatisfiable core
[2020-09-04 13:31:27,418 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:31:27,512 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2020-09-04 13:31:27,514 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-09-04 13:31:27,524 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-09-04 13:31:27,529 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2020-09-04 13:31:27,530 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-09-04 13:31:27,536 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-09-04 13:31:27,537 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts.
[2020-09-04 13:31:27,537 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:10
[2020-09-04 13:31:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2020-09-04 13:31:27,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:31:27,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23
[2020-09-04 13:31:27,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104342795]
[2020-09-04 13:31:27,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-04 13:31:27,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:31:27,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-04 13:31:27,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506
[2020-09-04 13:31:27,819 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 10 states.
[2020-09-04 13:31:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:31:29,352 INFO L93 Difference]: Finished difference Result 363 states and 430 transitions.
[2020-09-04 13:31:29,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2020-09-04 13:31:29,353 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90
[2020-09-04 13:31:29,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:31:29,358 INFO L225 Difference]: With dead ends: 363
[2020-09-04 13:31:29,358 INFO L226 Difference]: Without dead ends: 224
[2020-09-04 13:31:29,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=1105, Unknown=0, NotChecked=0, Total=1332
[2020-09-04 13:31:29,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states.
[2020-09-04 13:31:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 161.
[2020-09-04 13:31:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states.
[2020-09-04 13:31:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 185 transitions.
[2020-09-04 13:31:29,390 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 185 transitions. Word has length 90
[2020-09-04 13:31:29,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:31:29,391 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 185 transitions.
[2020-09-04 13:31:29,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-04 13:31:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 185 transitions.
[2020-09-04 13:31:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2020-09-04 13:31:29,393 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 13:31:29,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:31:29,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:31:29,600 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:31:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:31:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times
[2020-09-04 13:31:29,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:31:29,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894360715]
[2020-09-04 13:31:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:31:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 13:31:29,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 13:31:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 13:31:29,746 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 13:31:29,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-09-04 13:31:29,814 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-04 13:31:29,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-04 13:31:29,875 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head#
[2020-09-04 13:31:29,876 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head#
[2020-09-04 13:31:29,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:31:29 BoogieIcfgContainer
[2020-09-04 13:31:29,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 13:31:29,930 INFO L168 Benchmark]: Toolchain (without parser) took 9042.26 ms. Allocated memory was 138.4 MB in the beginning and 335.5 MB in the end (delta: 197.1 MB). Free memory was 99.8 MB in the beginning and 227.2 MB in the end (delta: -127.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,931 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.42 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.6 MB in the beginning and 163.0 MB in the end (delta: -63.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,933 INFO L168 Benchmark]: Boogie Preprocessor took 90.22 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 159.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,934 INFO L168 Benchmark]: RCFGBuilder took 878.55 ms. Allocated memory is still 202.4 MB. Free memory was 159.6 MB in the beginning and 98.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,935 INFO L168 Benchmark]: TraceAbstraction took 7283.74 ms. Allocated memory was 202.4 MB in the beginning and 335.5 MB in the end (delta: 133.2 MB). Free memory was 98.6 MB in the beginning and 227.2 MB in the end (delta: -128.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-09-04 13:31:29,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 780.42 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.6 MB in the beginning and 163.0 MB in the end (delta: -63.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 90.22 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 159.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 878.55 ms. Allocated memory is still 202.4 MB. Free memory was 159.6 MB in the beginning and 98.6 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 7283.74 ms. Allocated memory was 202.4 MB in the beginning and 335.5 MB in the end (delta: 133.2 MB). Free memory was 98.6 MB in the beginning and 227.2 MB in the end (delta: -128.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head#
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head#
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 658]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L654] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) };
VAL [\old(mutexes)=null, \old(mutexes)=null, mutexes={2:0}]
[L681] CALL foo()
VAL [mutexes={2:0}]
[L670] FCALL ldv_initialize()
VAL [mutexes={2:0}]
[L671] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex))
VAL [\old(size)=8, mutexes={2:0}]
[L565] void *ptr = malloc(size);
VAL [\old(size)=8, malloc(size)={-1:0}, mutexes={2:0}, ptr={-1:0}, size=8]
[L566] CALL assume_abort_if_not(ptr!=0)
VAL [\old(cond)=1, mutexes={2:0}]
[L554] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, mutexes={2:0}]
[L566] RET assume_abort_if_not(ptr!=0)
VAL [\old(size)=8, malloc(size)={-1:0}, mutexes={2:0}, ptr={-1:0}, size=8]
[L567] return ptr;
VAL [\old(size)=8, \result={-1:0}, malloc(size)={-1:0}, mutexes={2:0}, ptr={-1:0}, size=8]
[L671] RET, EXPR ldv_successful_malloc(sizeof(struct mutex))
VAL [ldv_successful_malloc(sizeof(struct mutex))={-1:0}, mutexes={2:0}]
[L671] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex));
[L672] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex))
VAL [\old(size)=8, mutexes={2:0}]
[L565] void *ptr = malloc(size);
VAL [\old(size)=8, malloc(size)={-2:0}, mutexes={2:0}, ptr={-2:0}, size=8]
[L566] CALL assume_abort_if_not(ptr!=0)
VAL [\old(cond)=1, mutexes={2:0}]
[L554] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, mutexes={2:0}]
[L566] RET assume_abort_if_not(ptr!=0)
VAL [\old(size)=8, malloc(size)={-2:0}, mutexes={2:0}, ptr={-2:0}, size=8]
[L567] return ptr;
VAL [\old(size)=8, \result={-2:0}, malloc(size)={-2:0}, mutexes={2:0}, ptr={-2:0}, size=8]
[L672] RET, EXPR ldv_successful_malloc(sizeof(struct mutex))
VAL [ldv_successful_malloc(sizeof(struct mutex))={-2:0}, m1={-1:0}, mutexes={2:0}]
[L672] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex));
[L673] CALL mutex_lock(m1)
VAL [m={-1:0}, mutexes={2:0}]
[L658] CALL ldv_is_in_set(m, &mutexes)
VAL [e={-1:0}, mutexes={2:0}, s={2:0}]
[L643] struct ldv_list_element *m;
[L644] EXPR (s)->next
[L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next);
[L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );})
VAL [__mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L644] COND FALSE !(&m->list != (s))
VAL [__mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L649] return 0;
VAL [\result=0, __mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L658] RET ldv_is_in_set(m, &mutexes)
VAL [ldv_is_in_set(m, &mutexes)=0, m={-1:0}, m={-1:0}, mutexes={2:0}]
[L658] COND FALSE !(ldv_is_in_set(m, &mutexes))
[L659] CALL ldv_set_add(m, &mutexes)
VAL [mutexes={2:0}, new={-1:0}, s={2:0}]
[L625] CALL, EXPR ldv_is_in_set(new, s)
VAL [e={-1:0}, mutexes={2:0}, s={2:0}]
[L643] struct ldv_list_element *m;
[L644] EXPR (s)->next
[L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next);
[L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );})
VAL [__mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L644] COND FALSE !(&m->list != (s))
VAL [__mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L649] return 0;
VAL [\result=0, __mptr={2:0}, e={-1:0}, e={-1:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}]
[L625] RET, EXPR ldv_is_in_set(new, s)
VAL [ldv_is_in_set(new, s)=0, mutexes={2:0}, new={-1:0}, new={-1:0}, s={2:0}, s={2:0}]
[L625] COND TRUE !ldv_is_in_set(new, s)
[L626] struct ldv_list_element *le;
VAL [mutexes={2:0}, new={-1:0}, new={-1:0}, s={2:0}, s={2:0}]
[L627] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element))
VAL [\old(size)=12, mutexes={2:0}]
[L565] void *ptr = malloc(size);
VAL [\old(size)=12, malloc(size)={-3:0}, mutexes={2:0}, ptr={-3:0}, size=12]
[L566] CALL assume_abort_if_not(ptr!=0)
VAL [\old(cond)=1, mutexes={2:0}]
[L554] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, mutexes={2:0}]
[L566] RET assume_abort_if_not(ptr!=0)
VAL [\old(size)=12, malloc(size)={-3:0}, mutexes={2:0}, ptr={-3:0}, size=12]
[L567] return ptr;
VAL [\old(size)=12, \result={-3:0}, malloc(size)={-3:0}, mutexes={2:0}, ptr={-3:0}, size=12]
[L627] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element))
VAL [ldv_successful_malloc(sizeof(struct ldv_list_element))={-3:0}, mutexes={2:0}, new={-1:0}, new={-1:0}, s={2:0}, s={2:0}]
[L627] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element))
[L628] le->e = new
VAL [le={-3:0}, mutexes={2:0}, new={-1:0}, new={-1:0}, s={2:0}, s={2:0}]
[L629] CALL ldv_list_add(&le->list, s)
VAL [head={2:0}, mutexes={2:0}, new={-3:4}]
[L597] EXPR head->next
VAL [head={2:0}, head={2:0}, head->next={2:0}, mutexes={2:0}, new={-3:4}, new={-3:4}]
[L597] CALL __ldv_list_add(new, head, head->next)
VAL [mutexes={2:0}, new={-3:4}, next={2:0}, prev={2:0}]
[L585] next->prev = new
[L586] new->next = next
[L587] new->prev = prev
[L588] prev->next = new
VAL [mutexes={2:0}, new={-3:4}, new={-3:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}]
[L597] RET __ldv_list_add(new, head, head->next)
VAL [head={2:0}, head={2:0}, head->next={2:0}, mutexes={2:0}, new={-3:4}, new={-3:4}]
[L629] RET ldv_list_add(&le->list, s)
VAL [le={-3:0}, mutexes={2:0}, new={-1:0}, new={-1:0}, s={2:0}, s={2:0}]
[L659] RET ldv_set_add(m, &mutexes)
VAL [m={-1:0}, m={-1:0}, mutexes={2:0}]
[L673] RET mutex_lock(m1)
VAL [m1={-1:0}, m2={-2:0}, mutexes={2:0}]
[L674] CALL mutex_lock(m1)
VAL [m={-1:0}, mutexes={2:0}]
[L658] CALL ldv_is_in_set(m, &mutexes)
VAL [e={-1:0}, mutexes={2:0}, s={2:0}]
[L643] struct ldv_list_element *m;
[L644] EXPR (s)->next
[L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next);
[L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );})
VAL [__mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, mutexes={2:0}, s={2:0}, s={2:0}]
[L644] COND TRUE &m->list != (s)
[L645] EXPR m->e
VAL [__mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, m->e={-1:0}, mutexes={2:0}, s={2:0}, s={2:0}]
[L645] COND TRUE m->e == e
[L646] return 1;
VAL [\result=1, __mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, mutexes={2:0}, s={2:0}, s={2:0}]
[L658] RET ldv_is_in_set(m, &mutexes)
VAL [ldv_is_in_set(m, &mutexes)=1, m={-1:0}, m={-1:0}, mutexes={2:0}]
[L658] COND TRUE ldv_is_in_set(m, &mutexes)
[L658] __VERIFIER_error()
VAL [m={-1:0}, m={-1:0}, mutexes={2:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 25 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.0s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 547 SDtfs, 607 SDslu, 655 SDs, 0 SdLazy, 1476 SolverSat, 292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 167955 SizeOfPredicates, 20 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 257/303 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...