./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:16,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:16,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:16,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:16,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:16,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:16,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:16,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:16,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:16,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:16,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:16,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:16,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:16,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:16,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:16,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:16,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:16,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:16,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:16,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:16,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:16,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:16,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:16,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:16,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:16,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:16,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:16,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:16,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:16,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:16,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:16,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:16,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:16,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:16,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:16,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:16,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:16,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:16,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:16,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:16,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:16,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:35:16,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:16,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:16,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:35:16,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:35:16,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:16,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:16,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:16,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:16,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:16,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:16,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:16,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:35:16,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:16,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:35:16,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:16,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:35:16,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:16,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:35:16,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:16,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:16,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:16,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:16,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:16,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:16,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:35:16,163 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:16,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:16,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:35:16,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2021-11-23 00:35:16,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:16,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:16,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:16,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:16,448 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:16,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-11-23 00:35:16,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/data/c0cfaf608/94aaf68407ec48eeaa2ce6b6f91bb021/FLAGe6725b819 [2021-11-23 00:35:17,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:17,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2021-11-23 00:35:17,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/data/c0cfaf608/94aaf68407ec48eeaa2ce6b6f91bb021/FLAGe6725b819 [2021-11-23 00:35:17,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/data/c0cfaf608/94aaf68407ec48eeaa2ce6b6f91bb021 [2021-11-23 00:35:17,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:17,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:17,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:17,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:17,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:17,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:17,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21839a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17, skipping insertion in model container [2021-11-23 00:35:17,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:17,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:17,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:17,839 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-11-23 00:35:17,843 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-11-23 00:35:17,845 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-11-23 00:35:17,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:17,864 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:17,916 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2021-11-23 00:35:17,925 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2021-11-23 00:35:17,928 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_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2021-11-23 00:35:17,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:17,983 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:17,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17 WrapperNode [2021-11-23 00:35:17,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:17,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:17,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:17,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:17,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,042 INFO L137 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 162 [2021-11-23 00:35:18,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:18,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:18,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:18,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:18,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:18,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:18,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:18,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:18,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:17" (1/1) ... [2021-11-23 00:35:18,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:18,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-23 00:35:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-23 00:35:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-23 00:35:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-23 00:35:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:35:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:35:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-11-23 00:35:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-11-23 00:35:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:35:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:35:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:35:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-23 00:35:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-23 00:35:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-11-23 00:35:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-11-23 00:35:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:18,336 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:18,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:18,776 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:18,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:18,880 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 00:35:18,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:18 BoogieIcfgContainer [2021-11-23 00:35:18,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:18,884 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:18,885 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:18,895 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:18,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:18" (1/1) ... [2021-11-23 00:35:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2021-11-23 00:35:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2021-11-23 00:35:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:18,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:18,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:19,260 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 00:35:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2021-11-23 00:35:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2021-11-23 00:35:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:35:19,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:19,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:19,495 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 00:35:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2021-11-23 00:35:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2021-11-23 00:35:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:19,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:19,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:19,702 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 00:35:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2021-11-23 00:35:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2021-11-23 00:35:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:19,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:20,098 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 00:35:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:20,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-23 00:35:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-23 00:35:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:35:20,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:20,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 73 states and 106 transitions. [2021-11-23 00:35:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2021-11-23 00:35:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:35:21,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 139 transitions. [2021-11-23 00:35:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2021-11-23 00:35:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:33,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:33,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 146 transitions. [2021-11-23 00:35:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2021-11-23 00:35:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:35:35,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:35:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 135 transitions. [2021-11-23 00:35:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-23 00:35:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:35:37,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:35:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 85 states and 139 transitions. [2021-11-23 00:35:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2021-11-23 00:35:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:35:38,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:35:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 155 transitions. [2021-11-23 00:35:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2021-11-23 00:35:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:56,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:35:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 94 states and 156 transitions. [2021-11-23 00:35:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2021-11-23 00:35:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:35:56,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 111 states and 200 transitions. [2021-11-23 00:36:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 200 transitions. [2021-11-23 00:36:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:36:13,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:36:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 118 states and 219 transitions. [2021-11-23 00:36:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 219 transitions. [2021-11-23 00:36:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:28,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:36:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 122 states and 224 transitions. [2021-11-23 00:36:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 224 transitions. [2021-11-23 00:36:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:36:36,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:36:37,023 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:36:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:36:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:36:37,806 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:36:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:36:38,214 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-23 00:36:38,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:36:38 ImpRootNode [2021-11-23 00:36:38,338 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:36:38,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:36:38,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:36:38,339 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:36:38,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:18" (3/4) ... [2021-11-23 00:36:38,342 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:36:38,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:36:38,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:36:38,503 INFO L158 Benchmark]: Toolchain (without parser) took 81076.48ms. Allocated memory was 90.2MB in the beginning and 408.9MB in the end (delta: 318.8MB). Free memory was 54.0MB in the beginning and 152.6MB in the end (delta: -98.6MB). Peak memory consumption was 219.5MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,505 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:36:38,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.41ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 54.0MB in the end (delta: -208.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.75ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 51.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,507 INFO L158 Benchmark]: Boogie Preprocessor took 59.14ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 49.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,507 INFO L158 Benchmark]: RCFGBuilder took 780.30ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 49.0MB in the beginning and 75.5MB in the end (delta: -26.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,508 INFO L158 Benchmark]: CodeCheck took 79453.95ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 75.5MB in the beginning and 158.9MB in the end (delta: -83.4MB). Peak memory consumption was 214.2MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,509 INFO L158 Benchmark]: Witness Printer took 163.52ms. Allocated memory is still 408.9MB. Free memory was 158.9MB in the beginning and 152.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:36:38,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 54 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 79.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1995 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 604 mSDsluCounter, 1442 SdHoareTripleChecker+Invalid, 11.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 783 mSDsCounter, 1008 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4505 IncrementalHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1008 mSolverCounterUnsat, 741 mSDtfsCounter, 4505 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4828 GetRequests, 4352 SyntacticMatches, 132 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50414 ImplicationChecksByTransitivity, 66.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.5s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 25760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 44/114 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 681]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L669] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L687] struct ldv_list_head drvlist = { &(drvlist), &(drvlist) }; [L709] CALL foo() [L690] FCALL ldv_initialize() [L691] int i; [L692] int N = __VERIFIER_nondet_int(); [L693] i=0 VAL [drvlist={4:0}, i=0, mutexes={3:0}, N=1] [L693] COND TRUE ilist, &drvlist) VAL [drvlist={4:0}, head={4:0}, mutexes={3:0}, new={-1:8}] [L612] EXPR head->next VAL [drvlist={4:0}, head={4:0}, head={4:0}, head->next={4:0}, mutexes={3:0}, new={-1:8}, new={-1:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, mutexes={3:0}, new={-1:8}, next={4:0}, prev={4:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, head={4:0}, head={4:0}, head->next={4:0}, mutexes={3:0}, new={-1:8}, new={-1:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [drvlist={4:0}, i=0, me={-1:0}, mutexes={3:0}, N=1] [L693] i++ VAL [drvlist={4:0}, i=1, me={-1:0}, mutexes={3:0}, N=1] [L693] COND FALSE !(inext [L698] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L698] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [__mptr={-1:8}, drvlist={4:0}, i=1, me={-1:0}, me={-1:0}, mutexes={3:0}, N=1] [L698] COND TRUE &me->list != (&drvlist) [L699] CALL mutex_lock(&me->m) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, e={-1:0}, mutexes={3:0}, s={3:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, drvlist={4:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={3:0}, drvlist={4:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, ldv_is_in_set(m, &mutexes)=0, m={-1:0}, m={-1:0}, mutexes={3:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L674] CALL ldv_set_add(m, &mutexes) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, e={-1:0}, mutexes={3:0}, s={3:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, drvlist={4:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={3:0}, drvlist={4:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, ldv_is_in_set(new, s)=0, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={4:0}, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, mutexes={3:0}] [L580] void *ptr = malloc(size); [L581] CALL assume_abort_if_not(ptr!=0) [L569] COND FALSE !(!cond) [L581] RET assume_abort_if_not(ptr!=0) [L582] return ptr; [L642] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, ldv_successful_malloc(sizeof(struct ldv_list_element))={9:0}, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={4:0}, le={9:0}, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [drvlist={4:0}, head={3:0}, mutexes={3:0}, new={9:4}] [L612] EXPR head->next VAL [drvlist={4:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={9:4}, new={9:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, mutexes={3:0}, new={9:4}, next={3:0}, prev={3:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={4:0}, head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={9:4}, new={9:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={4:0}, le={9:0}, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L674] RET ldv_set_add(m, &mutexes) [L699] RET mutex_lock(&me->m) [L700] CALL ldv_list_del(&me->list) VAL [drvlist={4:0}, mutexes={3:0}] [L620] EXPR entry->prev [L620] EXPR entry->next [L620] CALL __ldv_list_del(entry->prev, entry->next) [L607] next->prev = prev [L608] prev->next = next [L620] RET __ldv_list_del(entry->prev, entry->next) [L700] RET ldv_list_del(&me->list) VAL [__mptr={-1:8}, drvlist={4:0}, i=1, me={-1:0}, me={-1:0}, mutexes={3:0}, N=1] [L698] EXPR (me)->list.next [L698] const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); [L698] me = ({ const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); (typeof(*(me)) *)( (char *)__mptr - ((size_t) &((typeof(*(me)) *)0)->list) );}) VAL [__mptr={-1:8}, __mptr={4:0}, drvlist={4:0}, i=1, me={-1:0}, me={4:-8}, mutexes={3:0}, N=1] [L698] COND FALSE !(&me->list != (&drvlist)) [L702] EXPR (&drvlist)->next [L702] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L702] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [__mptr={4:0}, __mptr={4:0}, __mptr={-1:8}, drvlist={4:0}, i=1, me={4:-8}, me={-1:0}, mutexes={3:0}, N=1] [L702] COND FALSE !(&me->list != (&drvlist)) [L705] CALL ldv_check_final_state() [L681] CALL, EXPR ldv_set_empty(&mutexes) [L667] CALL, EXPR ldv_list_empty(s) [L624] EXPR head->next [L624] return head->next == head; [L667] RET, EXPR ldv_list_empty(s) [L667] return ldv_list_empty(s); [L681] RET, EXPR ldv_set_empty(&mutexes) [L681] COND TRUE !ldv_set_empty(&mutexes) [L681] reach_error() VAL [drvlist={4:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.41ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 54.0MB in the end (delta: -208.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.75ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 51.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.14ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 49.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.30ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 49.0MB in the beginning and 75.5MB in the end (delta: -26.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * CodeCheck took 79453.95ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 75.5MB in the beginning and 158.9MB in the end (delta: -83.4MB). Peak memory consumption was 214.2MB. Max. memory is 16.1GB. * Witness Printer took 163.52ms. Allocated memory is still 408.9MB. Free memory was 158.9MB in the beginning and 152.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:36:38,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3efe6f-8c23-45ee-b79c-007f6d64e6b6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE