./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 869ef2ac3e655b6efbdfa5c05d637a0f622008da83d6042d15962fe695aee939 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:06:22,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:06:22,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:06:22,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:06:22,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:06:22,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:06:22,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:06:22,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:06:22,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:06:22,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:06:22,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:06:22,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:06:22,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:06:22,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:06:22,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:06:22,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:06:22,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:06:22,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:06:22,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:06:22,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:06:22,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:06:22,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:06:22,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:06:22,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:06:22,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:06:22,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:06:22,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:06:22,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:06:22,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:06:22,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:06:22,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:06:22,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:06:22,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:06:22,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:06:22,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:06:22,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:06:22,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:06:22,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:06:22,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:06:22,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:06:22,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:06:22,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 14:06:22,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:06:22,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:06:22,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:06:22,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:06:22,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:06:22,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:06:22,922 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:06:22,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:06:22,923 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:06:22,923 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:06:22,924 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:06:22,924 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:06:22,925 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:06:22,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:06:22,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:06:22,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:06:22,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:06:22,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:06:22,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:06:22,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:06:22,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:06:22,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:06:22,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:06:22,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:06:22,927 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:06:22,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:06:22,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:06:22,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:06:22,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:06:22,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:06:22,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:06:22,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:06:22,932 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:06:22,932 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 869ef2ac3e655b6efbdfa5c05d637a0f622008da83d6042d15962fe695aee939 [2021-11-23 14:06:23,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:06:23,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:06:23,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:06:23,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:06:23,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:06:23,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-11-23 14:06:23,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/data/1bca225df/dceff412931346ffbc9eb644191231e4/FLAGbc97dae01 [2021-11-23 14:06:23,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:06:23,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-11-23 14:06:23,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/data/1bca225df/dceff412931346ffbc9eb644191231e4/FLAGbc97dae01 [2021-11-23 14:06:24,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/data/1bca225df/dceff412931346ffbc9eb644191231e4 [2021-11-23 14:06:24,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:06:24,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:06:24,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:24,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:06:24,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:06:24,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6f95ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24, skipping insertion in model container [2021-11-23 14:06:24,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:06:24,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:06:24,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-11-23 14:06:24,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-11-23 14:06:24,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-11-23 14:06:24,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:24,616 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:06:24,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-11-23 14:06:24,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-11-23 14:06:24,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-11-23 14:06:24,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:24,708 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:06:24,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24 WrapperNode [2021-11-23 14:06:24,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:24,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:24,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:06:24,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:06:24,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,770 INFO L137 Inliner]: procedures = 139, calls = 57, calls flagged for inlining = 26, calls inlined = 37, statements flattened = 376 [2021-11-23 14:06:24,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:24,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:06:24,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:06:24,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:06:24,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:06:24,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:06:24,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:06:24,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:06:24,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (1/1) ... [2021-11-23 14:06:24,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:24,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:06:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 14:06:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:06:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:06:25,050 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:06:25,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:06:25,732 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:06:25,740 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:06:25,740 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 14:06:25,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:25 BoogieIcfgContainer [2021-11-23 14:06:25,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:06:25,743 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:06:25,744 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:06:25,747 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:06:25,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:25,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:06:24" (1/3) ... [2021-11-23 14:06:25,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c12ef9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:25, skipping insertion in model container [2021-11-23 14:06:25,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:25,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:24" (2/3) ... [2021-11-23 14:06:25,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c12ef9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:25, skipping insertion in model container [2021-11-23 14:06:25,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:25,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:25" (3/3) ... [2021-11-23 14:06:25,751 INFO L388 chiAutomizerObserver]: Analyzing ICFG test_mutex_double_lock.i [2021-11-23 14:06:25,795 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:06:25,795 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:06:25,796 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:06:25,796 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:06:25,796 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:06:25,796 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:06:25,796 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:06:25,796 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:06:25,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:25,843 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 28 [2021-11-23 14:06:25,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:25,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:25,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:25,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:25,849 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:06:25,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:25,857 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 28 [2021-11-23 14:06:25,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:25,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:25,857 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:25,858 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:25,865 INFO L791 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#mutexes~0.base, ~#mutexes~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset, foo_#t~ret31#1.base, foo_#t~ret31#1.offset, foo_~m1~0#1.base, foo_~m1~0#1.offset, foo_~m2~0#1.base, foo_~m2~0#1.offset;assume { :begin_inline_ldv_initialize } true; 12#L666true assume { :end_inline_ldv_initialize } true;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 23#L565true assume !(0 == assume_abort_if_not_~cond#1); 15#L564true assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 62#L578true foo_#t~ret30#1.base, foo_#t~ret30#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m1~0#1.base, foo_~m1~0#1.offset := foo_#t~ret30#1.base, foo_#t~ret30#1.offset;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 81#L565-2true assume !(0 == assume_abort_if_not_~cond#1); 4#L564-1true assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 64#L578-1true foo_#t~ret31#1.base, foo_#t~ret31#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m2~0#1.base, foo_~m2~0#1.offset := foo_#t~ret31#1.base, foo_#t~ret31#1.offset;havoc foo_#t~ret31#1.base, foo_#t~ret31#1.offset;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 66#L655-3true [2021-11-23 14:06:25,865 INFO L793 eck$LassoCheckResult]: Loop: 66#L655-3true assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 37#L656true assume !(ldv_is_in_set_#t~mem25#1.base == ldv_is_in_set_~e#1.base && ldv_is_in_set_#t~mem25#1.offset == ldv_is_in_set_~e#1.offset);havoc ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset; 48#L655-2true call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 66#L655-3true [2021-11-23 14:06:25,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1482586390, now seen corresponding path program 1 times [2021-11-23 14:06:25,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:25,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380426503] [2021-11-23 14:06:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:25,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:26,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:26,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:26,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash 59743, now seen corresponding path program 1 times [2021-11-23 14:06:26,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:26,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921523102] [2021-11-23 14:06:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:26,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:26,077 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:26,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:26,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1712557526, now seen corresponding path program 1 times [2021-11-23 14:06:26,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:26,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397727307] [2021-11-23 14:06:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:26,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:26,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:26,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397727307] [2021-11-23 14:06:26,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397727307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:26,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:26,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:06:26,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467044960] [2021-11-23 14:06:26,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:26,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:26,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:06:26,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:06:26,487 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:26,774 INFO L93 Difference]: Finished difference Result 151 states and 171 transitions. [2021-11-23 14:06:26,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:06:26,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 171 transitions. [2021-11-23 14:06:26,793 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 38 [2021-11-23 14:06:26,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 121 states and 141 transitions. [2021-11-23 14:06:26,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-11-23 14:06:26,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-11-23 14:06:26,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 141 transitions. [2021-11-23 14:06:26,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:26,813 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 141 transitions. [2021-11-23 14:06:26,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 141 transitions. [2021-11-23 14:06:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 95. [2021-11-23 14:06:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.168421052631579) internal successors, (111), 94 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2021-11-23 14:06:26,857 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 111 transitions. [2021-11-23 14:06:26,857 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 111 transitions. [2021-11-23 14:06:26,857 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:06:26,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 111 transitions. [2021-11-23 14:06:26,867 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 25 [2021-11-23 14:06:26,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:26,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:26,868 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:26,868 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:26,869 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#mutexes~0.base, ~#mutexes~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset, foo_#t~ret31#1.base, foo_#t~ret31#1.offset, foo_~m1~0#1.base, foo_~m1~0#1.offset, foo_~m2~0#1.base, foo_~m2~0#1.offset;assume { :begin_inline_ldv_initialize } true; 265#L666 assume { :end_inline_ldv_initialize } true;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 266#L565 assume !(0 == assume_abort_if_not_~cond#1); 269#L564 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 270#L578 foo_#t~ret30#1.base, foo_#t~ret30#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m1~0#1.base, foo_~m1~0#1.offset := foo_#t~ret30#1.base, foo_#t~ret30#1.offset;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 319#L565-2 assume !(0 == assume_abort_if_not_~cond#1); 250#L564-1 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 251#L578-1 foo_#t~ret31#1.base, foo_#t~ret31#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m2~0#1.base, foo_~m2~0#1.offset := foo_#t~ret31#1.base, foo_#t~ret31#1.offset;havoc foo_#t~ret31#1.base, foo_#t~ret31#1.offset;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 320#L655-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 307#L655-4 ldv_is_in_set_#res#1 := 0; 291#L660 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 292#L669 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 316#L669-2 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 301#L655-8 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 288#L655-9 ldv_is_in_set_#res#1 := 0; 289#L660-1 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 293#L636 assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 290#L565-4 assume !(0 == assume_abort_if_not_~cond#1); 271#L564-2 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 272#L578-2 ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~$Pointer$(ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4); 275#L592 assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset; 276#L606 assume { :end_inline_ldv_list_add } true; 277#L635 assume { :end_inline_ldv_set_add } true; 331#L668 assume { :end_inline_mutex_lock } true;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 255#L655-13 [2021-11-23 14:06:26,869 INFO L793 eck$LassoCheckResult]: Loop: 255#L655-13 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 314#L656-2 assume !(ldv_is_in_set_#t~mem25#1.base == ldv_is_in_set_~e#1.base && ldv_is_in_set_#t~mem25#1.offset == ldv_is_in_set_~e#1.offset);havoc ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset; 254#L655-12 call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 255#L655-13 [2021-11-23 14:06:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1768300753, now seen corresponding path program 1 times [2021-11-23 14:06:26,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:26,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420016527] [2021-11-23 14:06:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:26,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:26,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:27,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash 130246, now seen corresponding path program 1 times [2021-11-23 14:06:27,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:27,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119658394] [2021-11-23 14:06:27,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:27,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:27,078 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:27,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:27,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1673746728, now seen corresponding path program 1 times [2021-11-23 14:06:27,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:27,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403407596] [2021-11-23 14:06:27,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:27,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:27,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:27,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403407596] [2021-11-23 14:06:27,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403407596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:27,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:27,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 14:06:27,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073767649] [2021-11-23 14:06:27,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:27,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:27,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 14:06:27,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 14:06:27,818 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. cyclomatic complexity: 23 Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:28,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:28,723 INFO L93 Difference]: Finished difference Result 129 states and 151 transitions. [2021-11-23 14:06:28,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:06:28,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 151 transitions. [2021-11-23 14:06:28,726 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 34 [2021-11-23 14:06:28,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 129 states and 151 transitions. [2021-11-23 14:06:28,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2021-11-23 14:06:28,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2021-11-23 14:06:28,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 151 transitions. [2021-11-23 14:06:28,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:28,730 INFO L681 BuchiCegarLoop]: Abstraction has 129 states and 151 transitions. [2021-11-23 14:06:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 151 transitions. [2021-11-23 14:06:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 115. [2021-11-23 14:06:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.173913043478261) internal successors, (135), 114 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2021-11-23 14:06:28,738 INFO L704 BuchiCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-11-23 14:06:28,738 INFO L587 BuchiCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-11-23 14:06:28,739 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 14:06:28,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 135 transitions. [2021-11-23 14:06:28,740 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 28 [2021-11-23 14:06:28,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:28,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:28,741 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:28,741 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:28,742 INFO L791 eck$LassoCheckResult]: Stem: 576#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#mutexes~0.base, ~#mutexes~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); 563#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset, foo_#t~ret31#1.base, foo_#t~ret31#1.offset, foo_~m1~0#1.base, foo_~m1~0#1.offset, foo_~m2~0#1.base, foo_~m2~0#1.offset;assume { :begin_inline_ldv_initialize } true; 516#L666 assume { :end_inline_ldv_initialize } true;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 517#L565 assume !(0 == assume_abort_if_not_~cond#1); 520#L564 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 521#L578 foo_#t~ret30#1.base, foo_#t~ret30#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m1~0#1.base, foo_~m1~0#1.offset := foo_#t~ret30#1.base, foo_#t~ret30#1.offset;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 573#L565-2 assume !(0 == assume_abort_if_not_~cond#1); 503#L564-1 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 504#L578-1 foo_#t~ret31#1.base, foo_#t~ret31#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m2~0#1.base, foo_~m2~0#1.offset := foo_#t~ret31#1.base, foo_#t~ret31#1.offset;havoc foo_#t~ret31#1.base, foo_#t~ret31#1.offset;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 574#L655-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 560#L655-4 ldv_is_in_set_#res#1 := 0; 542#L660 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 543#L669 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 570#L669-2 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 553#L655-8 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 539#L655-9 ldv_is_in_set_#res#1 := 0; 540#L660-1 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 544#L636 assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 541#L565-4 assume !(0 == assume_abort_if_not_~cond#1); 522#L564-2 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 523#L578-2 ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~$Pointer$(ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4); 526#L592 assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset; 527#L606 assume { :end_inline_ldv_list_add } true; 528#L635 assume { :end_inline_ldv_set_add } true; 588#L668 assume { :end_inline_mutex_lock } true;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 586#L655-13 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 587#L655-14 ldv_is_in_set_#res#1 := 0; 569#L660-2 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 592#L669-3 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 591#L669-5 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 512#L655-18 [2021-11-23 14:06:28,743 INFO L793 eck$LassoCheckResult]: Loop: 512#L655-18 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 578#L656-3 assume !(ldv_is_in_set_#t~mem25#1.base == ldv_is_in_set_~e#1.base && ldv_is_in_set_#t~mem25#1.offset == ldv_is_in_set_~e#1.offset);havoc ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset; 511#L655-17 call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 512#L655-18 [2021-11-23 14:06:28,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:28,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2140471672, now seen corresponding path program 1 times [2021-11-23 14:06:28,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:28,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035863764] [2021-11-23 14:06:28,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:28,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:28,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:28,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035863764] [2021-11-23 14:06:28,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035863764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:28,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:28,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 14:06:28,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254203809] [2021-11-23 14:06:28,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:28,859 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:06:28,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:28,859 INFO L85 PathProgramCache]: Analyzing trace with hash 158050, now seen corresponding path program 1 times [2021-11-23 14:06:28,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:28,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258466009] [2021-11-23 14:06:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:28,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:28,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:28,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:28,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 14:06:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 14:06:28,999 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. cyclomatic complexity: 28 Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:29,752 INFO L93 Difference]: Finished difference Result 232 states and 276 transitions. [2021-11-23 14:06:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 14:06:29,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 276 transitions. [2021-11-23 14:06:29,755 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 78 [2021-11-23 14:06:29,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 276 transitions. [2021-11-23 14:06:29,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2021-11-23 14:06:29,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2021-11-23 14:06:29,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 276 transitions. [2021-11-23 14:06:29,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:29,762 INFO L681 BuchiCegarLoop]: Abstraction has 232 states and 276 transitions. [2021-11-23 14:06:29,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 276 transitions. [2021-11-23 14:06:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 123. [2021-11-23 14:06:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 123 states have (on average 1.1626016260162602) internal successors, (143), 122 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2021-11-23 14:06:29,771 INFO L704 BuchiCegarLoop]: Abstraction has 123 states and 143 transitions. [2021-11-23 14:06:29,771 INFO L587 BuchiCegarLoop]: Abstraction has 123 states and 143 transitions. [2021-11-23 14:06:29,771 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 14:06:29,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 143 transitions. [2021-11-23 14:06:29,772 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 31 [2021-11-23 14:06:29,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:29,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:29,774 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:29,774 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:29,774 INFO L791 eck$LassoCheckResult]: Stem: 956#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#mutexes~0.base, ~#mutexes~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); 942#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset, foo_#t~ret31#1.base, foo_#t~ret31#1.offset, foo_~m1~0#1.base, foo_~m1~0#1.offset, foo_~m2~0#1.base, foo_~m2~0#1.offset;assume { :begin_inline_ldv_initialize } true; 895#L666 assume { :end_inline_ldv_initialize } true;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 896#L565 assume !(0 == assume_abort_if_not_~cond#1); 899#L564 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 900#L578 foo_#t~ret30#1.base, foo_#t~ret30#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m1~0#1.base, foo_~m1~0#1.offset := foo_#t~ret30#1.base, foo_#t~ret30#1.offset;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 953#L565-2 assume !(0 == assume_abort_if_not_~cond#1); 882#L564-1 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 883#L578-1 foo_#t~ret31#1.base, foo_#t~ret31#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m2~0#1.base, foo_~m2~0#1.offset := foo_#t~ret31#1.base, foo_#t~ret31#1.offset;havoc foo_#t~ret31#1.base, foo_#t~ret31#1.offset;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 954#L655-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 939#L655-4 ldv_is_in_set_#res#1 := 0; 920#L660 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 921#L669 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 949#L669-2 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 933#L655-8 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 917#L655-9 ldv_is_in_set_#res#1 := 0; 918#L660-1 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 922#L636 assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 919#L565-4 assume !(0 == assume_abort_if_not_~cond#1); 901#L564-2 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 902#L578-2 ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~$Pointer$(ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4); 905#L592 assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset; 906#L606 assume { :end_inline_ldv_list_add } true; 907#L635 assume { :end_inline_ldv_set_add } true; 916#L668 assume { :end_inline_mutex_lock } true;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 886#L655-13 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 887#L656-2 assume ldv_is_in_set_#t~mem25#1.base == ldv_is_in_set_~e#1.base && ldv_is_in_set_#t~mem25#1.offset == ldv_is_in_set_~e#1.offset;havoc ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset;ldv_is_in_set_#res#1 := 1; 948#L660-2 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 924#L669-3 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 912#L669-5 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 913#L655-18 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 940#L656-3 [2021-11-23 14:06:29,774 INFO L793 eck$LassoCheckResult]: Loop: 940#L656-3 assume !(ldv_is_in_set_#t~mem25#1.base == ldv_is_in_set_~e#1.base && ldv_is_in_set_#t~mem25#1.offset == ldv_is_in_set_~e#1.offset);havoc ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset; 890#L655-17 call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 891#L655-18 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 940#L656-3 [2021-11-23 14:06:29,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:29,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1979982655, now seen corresponding path program 1 times [2021-11-23 14:06:29,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:29,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718442689] [2021-11-23 14:06:29,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:29,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:29,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:29,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718442689] [2021-11-23 14:06:29,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718442689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:29,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:29,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:06:29,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886977080] [2021-11-23 14:06:29,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:29,857 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:06:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:29,858 INFO L85 PathProgramCache]: Analyzing trace with hash 162910, now seen corresponding path program 2 times [2021-11-23 14:06:29,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:29,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876644009] [2021-11-23 14:06:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:29,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:29,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:29,873 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:30,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:06:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:06:30,013 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:30,054 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2021-11-23 14:06:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:06:30,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 134 transitions. [2021-11-23 14:06:30,056 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 35 [2021-11-23 14:06:30,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 106 states and 123 transitions. [2021-11-23 14:06:30,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 106 [2021-11-23 14:06:30,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 106 [2021-11-23 14:06:30,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 123 transitions. [2021-11-23 14:06:30,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:30,058 INFO L681 BuchiCegarLoop]: Abstraction has 106 states and 123 transitions. [2021-11-23 14:06:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 123 transitions. [2021-11-23 14:06:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 83. [2021-11-23 14:06:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.144578313253012) internal successors, (95), 82 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2021-11-23 14:06:30,063 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 95 transitions. [2021-11-23 14:06:30,063 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 95 transitions. [2021-11-23 14:06:30,063 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 14:06:30,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 95 transitions. [2021-11-23 14:06:30,064 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 22 [2021-11-23 14:06:30,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:30,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:30,066 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:30,066 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:30,067 INFO L791 eck$LassoCheckResult]: Stem: 1196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#mutexes~0.base, ~#mutexes~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4);call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); 1183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset, foo_#t~ret31#1.base, foo_#t~ret31#1.offset, foo_~m1~0#1.base, foo_~m1~0#1.offset, foo_~m2~0#1.base, foo_~m2~0#1.offset;assume { :begin_inline_ldv_initialize } true; 1144#L666 assume { :end_inline_ldv_initialize } true;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1145#L565 assume !(0 == assume_abort_if_not_~cond#1); 1146#L564 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 1147#L578 foo_#t~ret30#1.base, foo_#t~ret30#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m1~0#1.base, foo_~m1~0#1.offset := foo_#t~ret30#1.base, foo_#t~ret30#1.offset;havoc foo_#t~ret30#1.base, foo_#t~ret30#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 8;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1192#L565-2 assume !(0 == assume_abort_if_not_~cond#1); 1131#L564-1 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 1132#L578-1 foo_#t~ret31#1.base, foo_#t~ret31#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;foo_~m2~0#1.base, foo_~m2~0#1.offset := foo_#t~ret31#1.base, foo_#t~ret31#1.offset;havoc foo_#t~ret31#1.base, foo_#t~ret31#1.offset;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 1193#L655-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 1182#L655-4 ldv_is_in_set_#res#1 := 0; 1163#L660 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 1164#L669 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 1189#L669-2 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 1172#L655-8 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 1160#L655-9 ldv_is_in_set_#res#1 := 0; 1161#L660-1 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 1162#L636 assume !(0 == ldv_set_add_#t~ret17#1);havoc ldv_set_add_#t~ret17#1; 1158#L635 assume { :end_inline_ldv_set_add } true; 1159#L668 assume { :end_inline_mutex_lock } true;assume { :begin_inline_mutex_lock } true;mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset := foo_~m1~0#1.base, foo_~m1~0#1.offset;havoc mutex_lock_#t~ret27#1, mutex_lock_~m#1.base, mutex_lock_~m#1.offset;mutex_lock_~m#1.base, mutex_lock_~m#1.offset := mutex_lock_#in~m#1.base, mutex_lock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 1135#L655-13 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 1136#L655-14 ldv_is_in_set_#res#1 := 0; 1133#L660-2 mutex_lock_#t~ret27#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 1134#L669-3 assume !(0 != mutex_lock_#t~ret27#1);havoc mutex_lock_#t~ret27#1; 1154#L669-5 assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := mutex_lock_~m#1.base, mutex_lock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset := ldv_set_add_#in~new#1.base, ldv_set_add_#in~new#1.offset;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1.base, ldv_set_add_~new#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 1155#L655-18 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 1180#L655-19 ldv_is_in_set_#res#1 := 0; 1142#L660-3 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 1143#L636-2 assume !(0 == ldv_set_add_#t~ret17#1);havoc ldv_set_add_#t~ret17#1; 1176#L635-1 assume { :end_inline_ldv_set_add } true; 1195#L668-1 assume { :end_inline_mutex_lock } true;assume { :begin_inline_mutex_unlock } true;mutex_unlock_#in~m#1.base, mutex_unlock_#in~m#1.offset := foo_~m2~0#1.base, foo_~m2~0#1.offset;havoc mutex_unlock_#t~ret28#1, mutex_unlock_~m#1.base, mutex_unlock_~m#1.offset;mutex_unlock_~m#1.base, mutex_unlock_~m#1.offset := mutex_unlock_#in~m#1.base, mutex_unlock_#in~m#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := mutex_unlock_~m#1.base, mutex_unlock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1.base, ldv_is_in_set_#t~mem25#1.offset, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1.base, ldv_is_in_set_~e#1.offset := ldv_is_in_set_#in~e#1.base, ldv_is_in_set_#in~e#1.offset;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 1190#L655-23 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 1191#L655-24 ldv_is_in_set_#res#1 := 0; 1210#L660-4 mutex_unlock_#t~ret28#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 1209#L673 assume !(0 == mutex_unlock_#t~ret28#1);havoc mutex_unlock_#t~ret28#1; 1207#L673-2 assume { :begin_inline_ldv_set_del } true;ldv_set_del_#in~e#1.base, ldv_set_del_#in~e#1.offset, ldv_set_del_#in~s#1.base, ldv_set_del_#in~s#1.offset := mutex_unlock_~m#1.base, mutex_unlock_~m#1.offset, ~#mutexes~0.base, ~#mutexes~0.offset;havoc ldv_set_del_#t~mem19#1.base, ldv_set_del_#t~mem19#1.offset, ldv_set_del_~__mptr~0#1.base, ldv_set_del_~__mptr~0#1.offset, ldv_set_del_#t~mem20#1.base, ldv_set_del_#t~mem20#1.offset, ldv_set_del_~__mptr~1#1.base, ldv_set_del_~__mptr~1#1.offset, ldv_set_del_#t~mem22#1.base, ldv_set_del_#t~mem22#1.offset, ldv_set_del_#t~mem21#1.base, ldv_set_del_#t~mem21#1.offset, ldv_set_del_~__mptr~2#1.base, ldv_set_del_~__mptr~2#1.offset, ldv_set_del_~e#1.base, ldv_set_del_~e#1.offset, ldv_set_del_~s#1.base, ldv_set_del_~s#1.offset, ldv_set_del_~m~0#1.base, ldv_set_del_~m~0#1.offset, ldv_set_del_~n~0#1.base, ldv_set_del_~n~0#1.offset;ldv_set_del_~e#1.base, ldv_set_del_~e#1.offset := ldv_set_del_#in~e#1.base, ldv_set_del_#in~e#1.offset;ldv_set_del_~s#1.base, ldv_set_del_~s#1.offset := ldv_set_del_#in~s#1.base, ldv_set_del_#in~s#1.offset;havoc ldv_set_del_~m~0#1.base, ldv_set_del_~m~0#1.offset;havoc ldv_set_del_~n~0#1.base, ldv_set_del_~n~0#1.offset;call ldv_set_del_#t~mem19#1.base, ldv_set_del_#t~mem19#1.offset := read~$Pointer$(ldv_set_del_~s#1.base, ldv_set_del_~s#1.offset, 4);ldv_set_del_~__mptr~0#1.base, ldv_set_del_~__mptr~0#1.offset := ldv_set_del_#t~mem19#1.base, ldv_set_del_#t~mem19#1.offset;havoc ldv_set_del_#t~mem19#1.base, ldv_set_del_#t~mem19#1.offset;ldv_set_del_~m~0#1.base, ldv_set_del_~m~0#1.offset := ldv_set_del_~__mptr~0#1.base, ldv_set_del_~__mptr~0#1.offset - 4;call ldv_set_del_#t~mem20#1.base, ldv_set_del_#t~mem20#1.offset := read~$Pointer$(ldv_set_del_~m~0#1.base, 4 + ldv_set_del_~m~0#1.offset, 4);ldv_set_del_~__mptr~1#1.base, ldv_set_del_~__mptr~1#1.offset := ldv_set_del_#t~mem20#1.base, ldv_set_del_#t~mem20#1.offset;havoc ldv_set_del_#t~mem20#1.base, ldv_set_del_#t~mem20#1.offset;ldv_set_del_~n~0#1.base, ldv_set_del_~n~0#1.offset := ldv_set_del_~__mptr~1#1.base, ldv_set_del_~__mptr~1#1.offset - 4; 1205#L646-3 [2021-11-23 14:06:30,067 INFO L793 eck$LassoCheckResult]: Loop: 1205#L646-3 assume !!(ldv_set_del_~m~0#1.base != ldv_set_del_~s#1.base || 4 + ldv_set_del_~m~0#1.offset != ldv_set_del_~s#1.offset);call ldv_set_del_#t~mem22#1.base, ldv_set_del_#t~mem22#1.offset := read~$Pointer$(ldv_set_del_~m~0#1.base, ldv_set_del_~m~0#1.offset, 4); 1206#L647 assume !(ldv_set_del_#t~mem22#1.base == ldv_set_del_~e#1.base && ldv_set_del_#t~mem22#1.offset == ldv_set_del_~e#1.offset);havoc ldv_set_del_#t~mem22#1.base, ldv_set_del_#t~mem22#1.offset; 1208#L646-2 ldv_set_del_~m~0#1.base, ldv_set_del_~m~0#1.offset := ldv_set_del_~n~0#1.base, ldv_set_del_~n~0#1.offset;call ldv_set_del_#t~mem21#1.base, ldv_set_del_#t~mem21#1.offset := read~$Pointer$(ldv_set_del_~n~0#1.base, 4 + ldv_set_del_~n~0#1.offset, 4);ldv_set_del_~__mptr~2#1.base, ldv_set_del_~__mptr~2#1.offset := ldv_set_del_#t~mem21#1.base, ldv_set_del_#t~mem21#1.offset;havoc ldv_set_del_#t~mem21#1.base, ldv_set_del_#t~mem21#1.offset;ldv_set_del_~n~0#1.base, ldv_set_del_~n~0#1.offset := ldv_set_del_~__mptr~2#1.base, ldv_set_del_~__mptr~2#1.offset - 4; 1205#L646-3 [2021-11-23 14:06:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:30,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1127351229, now seen corresponding path program 1 times [2021-11-23 14:06:30,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:30,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798664954] [2021-11-23 14:06:30,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:30,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:30,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:30,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798664954] [2021-11-23 14:06:30,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798664954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:30,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:30,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:06:30,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125369690] [2021-11-23 14:06:30,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:30,103 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:06:30,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash 228681, now seen corresponding path program 1 times [2021-11-23 14:06:30,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:30,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504492148] [2021-11-23 14:06:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:30,109 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:30,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:30,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:30,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:06:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:06:30,254 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:30,265 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-11-23 14:06:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:06:30,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 17 transitions. [2021-11-23 14:06:30,266 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:06:30,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-11-23 14:06:30,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 14:06:30,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 14:06:30,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 14:06:30,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:30,267 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:30,267 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:30,267 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:30,267 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 14:06:30,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:06:30,267 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:06:30,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 14:06:30,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:06:30 BoogieIcfgContainer [2021-11-23 14:06:30,274 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:06:30,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:06:30,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:06:30,286 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:06:30,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:25" (3/4) ... [2021-11-23 14:06:30,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:06:30,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:06:30,291 INFO L158 Benchmark]: Toolchain (without parser) took 6122.51ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 51.7MB in the beginning and 98.1MB in the end (delta: -46.3MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,297 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:30,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.14ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 52.4MB in the end (delta: -874.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.27ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 48.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,299 INFO L158 Benchmark]: Boogie Preprocessor took 91.58ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,300 INFO L158 Benchmark]: RCFGBuilder took 878.59ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 59.3MB in the end (delta: -13.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,302 INFO L158 Benchmark]: BuchiAutomizer took 4530.90ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 59.3MB in the beginning and 34.8MB in the end (delta: 24.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,308 INFO L158 Benchmark]: Witness Printer took 15.04ms. Allocated memory is still 130.0MB. Free memory was 34.8MB in the beginning and 98.1MB in the end (delta: -63.3MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-11-23 14:06:30,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.14ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 52.4MB in the end (delta: -874.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.27ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 48.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.58ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 878.59ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 59.3MB in the end (delta: -13.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4530.90ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 59.3MB in the beginning and 34.8MB in the end (delta: 24.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Witness Printer took 15.04ms. Allocated memory is still 130.0MB. Free memory was 34.8MB in the beginning and 98.1MB in the end (delta: -63.3MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic). 5 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 1.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 172 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 123 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 863 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 863 mSDsluCounter, 1115 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 789 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 688 IncrementalHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 326 mSDtfsCounter, 688 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU3 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 14:06:30,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6235e607-a9a1-4364-b445-6eb7b13a6aa5/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE