/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 05:46:37,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 05:46:37,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 05:46:37,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 05:46:37,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 05:46:37,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 05:46:37,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 05:46:37,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 05:46:37,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 05:46:37,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 05:46:37,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 05:46:37,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 05:46:37,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 05:46:37,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 05:46:37,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 05:46:37,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 05:46:37,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 05:46:37,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 05:46:37,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 05:46:37,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 05:46:37,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 05:46:37,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 05:46:37,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 05:46:37,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 05:46:37,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 05:46:37,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 05:46:37,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 05:46:37,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 05:46:37,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 05:46:37,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 05:46:37,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 05:46:37,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 05:46:37,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 05:46:37,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 05:46:37,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 05:46:37,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 05:46:37,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 05:46:37,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 05:46:37,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 05:46:37,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 05:46:37,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 05:46:37,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-01-07 05:46:37,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 05:46:37,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 05:46:37,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 05:46:37,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 05:46:37,990 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 05:46:37,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 05:46:37,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 05:46:37,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 05:46:37,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 05:46:37,993 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 05:46:37,995 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 05:46:37,996 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-01-07 05:46:37,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 05:46:37,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 05:46:37,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 05:46:37,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 05:46:37,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 05:46:37,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 05:46:37,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:46:37,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 05:46:37,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 05:46:37,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 05:46:37,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 05:46:37,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 05:46:38,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 05:46:38,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 05:46:38,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 05:46:38,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 05:46:38,601 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 05:46:38,602 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 05:46:38,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_14-2.c [2021-01-07 05:46:38,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0e9556e94/f359f25406e14b1d8f64bce81ad65e6f/FLAG696455c11 [2021-01-07 05:46:39,682 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 05:46:39,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c [2021-01-07 05:46:39,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0e9556e94/f359f25406e14b1d8f64bce81ad65e6f/FLAG696455c11 [2021-01-07 05:46:39,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0e9556e94/f359f25406e14b1d8f64bce81ad65e6f [2021-01-07 05:46:39,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 05:46:39,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 05:46:39,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 05:46:39,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 05:46:39,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 05:46:39,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:46:39" (1/1) ... [2021-01-07 05:46:39,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f41d224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:39, skipping insertion in model container [2021-01-07 05:46:39,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:46:39" (1/1) ... [2021-01-07 05:46:40,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 05:46:40,059 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~cond~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] [2021-01-07 05:46:40,447 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2021-01-07 05:46:40,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:46:40,471 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~cond~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] left hand side expression in assignment: lhs: VariableLHS[~lk1~0,] left hand side expression in assignment: lhs: VariableLHS[~lk2~0,] left hand side expression in assignment: lhs: VariableLHS[~lk3~0,] left hand side expression in assignment: lhs: VariableLHS[~lk4~0,] left hand side expression in assignment: lhs: VariableLHS[~lk5~0,] left hand side expression in assignment: lhs: VariableLHS[~lk6~0,] left hand side expression in assignment: lhs: VariableLHS[~lk7~0,] left hand side expression in assignment: lhs: VariableLHS[~lk8~0,] left hand side expression in assignment: lhs: VariableLHS[~lk9~0,] left hand side expression in assignment: lhs: VariableLHS[~lk10~0,] left hand side expression in assignment: lhs: VariableLHS[~lk11~0,] left hand side expression in assignment: lhs: VariableLHS[~lk12~0,] left hand side expression in assignment: lhs: VariableLHS[~lk13~0,] left hand side expression in assignment: lhs: VariableLHS[~lk14~0,] [2021-01-07 05:46:40,515 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2021-01-07 05:46:40,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:46:40,541 INFO L208 MainTranslator]: Completed translation [2021-01-07 05:46:40,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40 WrapperNode [2021-01-07 05:46:40,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 05:46:40,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 05:46:40,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 05:46:40,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 05:46:40,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 05:46:40,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 05:46:40,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 05:46:40,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 05:46:40,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... [2021-01-07 05:46:40,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 05:46:40,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 05:46:40,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 05:46:40,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 05:46:40,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 05:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 05:46:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 05:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 05:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 05:46:41,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 05:46:41,593 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-01-07 05:46:41,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:46:41 BoogieIcfgContainer [2021-01-07 05:46:41,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 05:46:41,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 05:46:41,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 05:46:41,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 05:46:41,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 05:46:39" (1/3) ... [2021-01-07 05:46:41,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f50c022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:46:41, skipping insertion in model container [2021-01-07 05:46:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:46:40" (2/3) ... [2021-01-07 05:46:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f50c022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:46:41, skipping insertion in model container [2021-01-07 05:46:41,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:46:41" (3/3) ... [2021-01-07 05:46:41,612 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2021-01-07 05:46:41,622 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 05:46:41,629 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-07 05:46:41,658 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-07 05:46:41,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 05:46:41,702 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 05:46:41,703 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 05:46:41,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 05:46:41,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 05:46:41,704 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 05:46:41,704 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 05:46:41,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 05:46:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-01-07 05:46:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-07 05:46:41,753 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:41,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-07 05:46:41,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:41,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:41,768 INFO L82 PathProgramCache]: Analyzing trace with hash 28943010, now seen corresponding path program 1 times [2021-01-07 05:46:41,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:41,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202354553] [2021-01-07 05:46:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:42,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202354553] [2021-01-07 05:46:42,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:42,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:46:42,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74410395] [2021-01-07 05:46:42,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 05:46:42,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:42,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 05:46:42,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:46:42,166 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2021-01-07 05:46:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:42,201 INFO L93 Difference]: Finished difference Result 53 states and 94 transitions. [2021-01-07 05:46:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 05:46:42,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2021-01-07 05:46:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:42,220 INFO L225 Difference]: With dead ends: 53 [2021-01-07 05:46:42,220 INFO L226 Difference]: Without dead ends: 51 [2021-01-07 05:46:42,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 05:46:42,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-07 05:46:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-01-07 05:46:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-01-07 05:46:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 92 transitions. [2021-01-07 05:46:42,312 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 92 transitions. Word has length 5 [2021-01-07 05:46:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:42,313 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 92 transitions. [2021-01-07 05:46:42,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 05:46:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2021-01-07 05:46:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-07 05:46:42,314 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:42,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-07 05:46:42,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 05:46:42,317 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:42,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:42,324 INFO L82 PathProgramCache]: Analyzing trace with hash 889700139, now seen corresponding path program 1 times [2021-01-07 05:46:42,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:42,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842515443] [2021-01-07 05:46:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:42,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842515443] [2021-01-07 05:46:42,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:42,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 05:46:42,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704453876] [2021-01-07 05:46:42,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:46:42,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:42,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:46:42,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,489 INFO L87 Difference]: Start difference. First operand 51 states and 92 transitions. Second operand 3 states. [2021-01-07 05:46:42,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:42,519 INFO L93 Difference]: Finished difference Result 50 states and 91 transitions. [2021-01-07 05:46:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:46:42,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-01-07 05:46:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:42,522 INFO L225 Difference]: With dead ends: 50 [2021-01-07 05:46:42,522 INFO L226 Difference]: Without dead ends: 48 [2021-01-07 05:46:42,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-01-07 05:46:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-01-07 05:46:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-01-07 05:46:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 89 transitions. [2021-01-07 05:46:42,531 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 89 transitions. Word has length 6 [2021-01-07 05:46:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:42,532 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 89 transitions. [2021-01-07 05:46:42,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:46:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-01-07 05:46:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:46:42,533 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:42,534 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] [2021-01-07 05:46:42,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 05:46:42,534 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:42,535 INFO L82 PathProgramCache]: Analyzing trace with hash 792943379, now seen corresponding path program 1 times [2021-01-07 05:46:42,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:42,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488880454] [2021-01-07 05:46:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:42,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488880454] [2021-01-07 05:46:42,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:42,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:46:42,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242655868] [2021-01-07 05:46:42,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:46:42,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:42,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:46:42,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,609 INFO L87 Difference]: Start difference. First operand 48 states and 89 transitions. Second operand 3 states. [2021-01-07 05:46:42,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:42,644 INFO L93 Difference]: Finished difference Result 93 states and 173 transitions. [2021-01-07 05:46:42,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:46:42,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-01-07 05:46:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:42,651 INFO L225 Difference]: With dead ends: 93 [2021-01-07 05:46:42,651 INFO L226 Difference]: Without dead ends: 93 [2021-01-07 05:46:42,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-01-07 05:46:42,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 63. [2021-01-07 05:46:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-01-07 05:46:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 118 transitions. [2021-01-07 05:46:42,675 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 118 transitions. Word has length 21 [2021-01-07 05:46:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:42,676 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 118 transitions. [2021-01-07 05:46:42,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:46:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2021-01-07 05:46:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:46:42,677 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:42,678 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] [2021-01-07 05:46:42,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-07 05:46:42,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:42,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:42,679 INFO L82 PathProgramCache]: Analyzing trace with hash 792950571, now seen corresponding path program 1 times [2021-01-07 05:46:42,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:42,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199938990] [2021-01-07 05:46:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:42,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199938990] [2021-01-07 05:46:42,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:42,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:46:42,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610584136] [2021-01-07 05:46:42,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:46:42,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:42,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:46:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,752 INFO L87 Difference]: Start difference. First operand 63 states and 118 transitions. Second operand 3 states. [2021-01-07 05:46:42,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:42,813 INFO L93 Difference]: Finished difference Result 94 states and 173 transitions. [2021-01-07 05:46:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:46:42,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-01-07 05:46:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:42,821 INFO L225 Difference]: With dead ends: 94 [2021-01-07 05:46:42,821 INFO L226 Difference]: Without dead ends: 94 [2021-01-07 05:46:42,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-01-07 05:46:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2021-01-07 05:46:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-01-07 05:46:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 172 transitions. [2021-01-07 05:46:42,842 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 172 transitions. Word has length 21 [2021-01-07 05:46:42,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:42,842 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 172 transitions. [2021-01-07 05:46:42,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:46:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2021-01-07 05:46:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:46:42,844 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:42,845 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] [2021-01-07 05:46:42,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 05:46:42,845 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash -795404523, now seen corresponding path program 1 times [2021-01-07 05:46:42,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:42,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203555405] [2021-01-07 05:46:42,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:42,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203555405] [2021-01-07 05:46:42,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:42,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:46:42,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757225847] [2021-01-07 05:46:42,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:46:42,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:42,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:46:42,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,913 INFO L87 Difference]: Start difference. First operand 92 states and 172 transitions. Second operand 3 states. [2021-01-07 05:46:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:42,941 INFO L93 Difference]: Finished difference Result 96 states and 173 transitions. [2021-01-07 05:46:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:46:42,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-01-07 05:46:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:42,944 INFO L225 Difference]: With dead ends: 96 [2021-01-07 05:46:42,944 INFO L226 Difference]: Without dead ends: 96 [2021-01-07 05:46:42,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:42,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-01-07 05:46:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2021-01-07 05:46:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-01-07 05:46:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 172 transitions. [2021-01-07 05:46:42,958 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 172 transitions. Word has length 21 [2021-01-07 05:46:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:42,958 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 172 transitions. [2021-01-07 05:46:42,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:46:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 172 transitions. [2021-01-07 05:46:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:46:42,960 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:42,960 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] [2021-01-07 05:46:42,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 05:46:42,963 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:42,964 INFO L82 PathProgramCache]: Analyzing trace with hash -795397331, now seen corresponding path program 1 times [2021-01-07 05:46:42,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:42,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413779803] [2021-01-07 05:46:42,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 05:46:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 05:46:43,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413779803] [2021-01-07 05:46:43,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 05:46:43,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 05:46:43,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092523339] [2021-01-07 05:46:43,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 05:46:43,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 05:46:43,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 05:46:43,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:43,099 INFO L87 Difference]: Start difference. First operand 94 states and 172 transitions. Second operand 3 states. [2021-01-07 05:46:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 05:46:43,123 INFO L93 Difference]: Finished difference Result 127 states and 228 transitions. [2021-01-07 05:46:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 05:46:43,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-01-07 05:46:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 05:46:43,127 INFO L225 Difference]: With dead ends: 127 [2021-01-07 05:46:43,127 INFO L226 Difference]: Without dead ends: 127 [2021-01-07 05:46:43,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 05:46:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-01-07 05:46:43,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2021-01-07 05:46:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2021-01-07 05:46:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 227 transitions. [2021-01-07 05:46:43,141 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 227 transitions. Word has length 21 [2021-01-07 05:46:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 05:46:43,142 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 227 transitions. [2021-01-07 05:46:43,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 05:46:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 227 transitions. [2021-01-07 05:46:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-07 05:46:43,144 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:46:43,144 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] [2021-01-07 05:46:43,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 05:46:43,145 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:46:43,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:46:43,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1816465685, now seen corresponding path program 1 times [2021-01-07 05:46:43,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:46:43,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464233718] [2021-01-07 05:46:43,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:46:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 05:46:43,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 05:46:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 05:46:43,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 05:46:43,240 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-07 05:46:43,240 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-07 05:46:43,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-07 05:46:43,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.01 05:46:43 BoogieIcfgContainer [2021-01-07 05:46:43,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-07 05:46:43,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-07 05:46:43,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-07 05:46:43,300 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-07 05:46:43,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:46:41" (3/4) ... [2021-01-07 05:46:43,308 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-07 05:46:43,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-07 05:46:43,311 INFO L168 Benchmark]: Toolchain (without parser) took 3341.08 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 57.8 MB in the end (delta: 68.9 MB). Peak memory consumption was 68.4 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,313 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 05:46:43,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.89 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 115.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.41 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,316 INFO L168 Benchmark]: Boogie Preprocessor took 40.79 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 112.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,317 INFO L168 Benchmark]: RCFGBuilder took 944.94 ms. Allocated memory is still 151.0 MB. Free memory was 112.1 MB in the beginning and 120.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,318 INFO L168 Benchmark]: TraceAbstraction took 1698.95 ms. Allocated memory is still 151.0 MB. Free memory was 119.6 MB in the beginning and 58.3 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-01-07 05:46:43,320 INFO L168 Benchmark]: Witness Printer took 8.55 ms. Allocated memory is still 151.0 MB. Free memory was 58.3 MB in the beginning and 57.8 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 05:46:43,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 567.89 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 115.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 64.41 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.79 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 112.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 944.94 ms. Allocated memory is still 151.0 MB. Free memory was 112.1 MB in the beginning and 120.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1698.95 ms. Allocated memory is still 151.0 MB. Free memory was 119.6 MB in the beginning and 58.3 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * Witness Printer took 8.55 ms. Allocated memory is still 151.0 MB. Free memory was 58.3 MB in the beginning and 57.8 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 219]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 219. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND FALSE !(p3 != 0) [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND TRUE p5 != 0 [L105] lk5 = 1 [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND TRUE p8 != 0 [L117] lk8 = 1 [L120] COND TRUE p9 != 0 [L121] lk9 = 1 [L124] COND TRUE p10 != 0 [L125] lk10 = 1 [L128] COND FALSE !(p11 != 0) [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND TRUE p14 != 0 [L141] lk14 = 1 [L146] COND FALSE !(p1 != 0) [L151] COND FALSE !(p2 != 0) [L219] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 624 SDtfs, 364 SDslu, 282 SDs, 0 SdLazy, 22 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=6, 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 4521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...