./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB --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 fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:40:16,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:16,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:16,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:16,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:16,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:16,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:16,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:16,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:16,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:16,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:16,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:16,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:16,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:16,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:16,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:16,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:16,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:16,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:16,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:16,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:16,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:16,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:16,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:16,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:16,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:16,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:16,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:16,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:16,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:16,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:16,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:16,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:16,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:16,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:16,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:16,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:16,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:16,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:16,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:16,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:16,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:16,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:16,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:16,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:16,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:16,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:16,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:16,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:16,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:16,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:16,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:16,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:16,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:16,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:16,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:16,213 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:16,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:16,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:16,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:16,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:16,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:16,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:16,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:16,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:16,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:16,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:16,215 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:16,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:16,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:16,216 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf [2022-10-17 16:40:16,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:16,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:16,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:16,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:16,523 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:16,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2022-10-17 16:40:16,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/data/bbc233034/88fce1e2920d41368fb93f765a879d2c/FLAG948c6b940 [2022-10-17 16:40:17,188 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:17,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2022-10-17 16:40:17,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/data/bbc233034/88fce1e2920d41368fb93f765a879d2c/FLAG948c6b940 [2022-10-17 16:40:17,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/data/bbc233034/88fce1e2920d41368fb93f765a879d2c [2022-10-17 16:40:17,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:17,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:17,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:17,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:17,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a9deda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17, skipping insertion in model container [2022-10-17 16:40:17,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:17,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:18,025 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2022-10-17 16:40:18,034 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2022-10-17 16:40:18,036 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2022-10-17 16:40:18,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:18,059 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:18,149 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2022-10-17 16:40:18,155 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2022-10-17 16:40:18,157 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_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2022-10-17 16:40:18,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:18,209 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:18,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18 WrapperNode [2022-10-17 16:40:18,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:18,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:18,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:18,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:18,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,304 INFO L138 Inliner]: procedures = 139, calls = 56, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 128 [2022-10-17 16:40:18,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:18,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:18,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:18,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:18,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,338 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:18,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:18,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:18,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:18,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:18" (1/1) ... [2022-10-17 16:40:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:18,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:18,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:18,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0a81db-83ab-4e95-9352-8d9ef7451f3f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-10-17 16:40:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-10-17 16:40:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 16:40:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 16:40:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:40:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-10-17 16:40:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-10-17 16:40:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:40:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-10-17 16:40:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-10-17 16:40:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:18,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:18,586 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:18,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:19,047 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:19,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:19,211 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:40:19,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:19 BoogieIcfgContainer [2022-10-17 16:40:19,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:19,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:19,216 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:19,227 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:19,228 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:19" (1/1) ... [2022-10-17 16:40:19,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2022-10-17 16:40:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-10-17 16:40:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:40:19,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:40:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-10-17 16:40:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-10-17 16:40:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:19,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:40:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 75 transitions. [2022-10-17 16:40:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-10-17 16:40:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:40:20,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:40:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 67 transitions. [2022-10-17 16:40:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-10-17 16:40:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:40:21,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:40:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 68 transitions. [2022-10-17 16:40:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-10-17 16:40:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:40:21,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:40:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 81 transitions. [2022-10-17 16:40:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-10-17 16:40:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:40:23,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 138 transitions. [2022-10-17 16:40:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2022-10-17 16:40:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:40:42,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat