./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL --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 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:34:41,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:34:41,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:34:41,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:34:41,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:34:41,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:34:41,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:34:41,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:34:41,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:34:41,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:34:41,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:34:41,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:34:41,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:34:41,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:34:41,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:34:41,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:34:41,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:34:41,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:34:41,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:34:41,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:34:41,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:34:41,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:34:41,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:34:41,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:34:41,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:34:41,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:34:41,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:34:41,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:34:41,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:34:41,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:34:41,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:34:41,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:34:41,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:34:41,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:34:41,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:34:41,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:34:41,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:34:41,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:34:41,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:34:41,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:34:41,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:34:41,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:34:41,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:34:41,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:34:41,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:34:41,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:34:41,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:34:41,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:34:41,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:34:41,830 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:34:41,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:34:41,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:34:41,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:34:41,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:34:41,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:34:41,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:34:41,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:34:41,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:34:41,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:34:41,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:34:41,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:34:41,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:34:41,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:34:41,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:34:41,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:34:41,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:34:41,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:34:41,835 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:34:41,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:34:41,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:34:41,836 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_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf [2021-11-25 07:34:42,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:34:42,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:34:42,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:34:42,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:34:42,139 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:34:42,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/seq-pthread/cs_queue-1.i [2021-11-25 07:34:42,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/data/b117202aa/836b789a68204812843c47d4e8be052e/FLAG7dab740e0 [2021-11-25 07:34:42,923 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:34:42,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/sv-benchmarks/c/seq-pthread/cs_queue-1.i [2021-11-25 07:34:42,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/data/b117202aa/836b789a68204812843c47d4e8be052e/FLAG7dab740e0 [2021-11-25 07:34:43,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/data/b117202aa/836b789a68204812843c47d4e8be052e [2021-11-25 07:34:43,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:34:43,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:34:43,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:34:43,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:34:43,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:34:43,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:34:43" (1/1) ... [2021-11-25 07:34:43,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ffe050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:43, skipping insertion in model container [2021-11-25 07:34:43,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:34:43" (1/1) ... [2021-11-25 07:34:43,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:34:43,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:34:43,764 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_47891d90-a563-41a1-88dd-d91be93951dd/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2021-11-25 07:34:43,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:34:43,992 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:34:44,054 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_47891d90-a563-41a1-88dd-d91be93951dd/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2021-11-25 07:34:44,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:34:44,306 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:34:44,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44 WrapperNode [2021-11-25 07:34:44,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:34:44,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:34:44,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:34:44,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:34:44,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,449 INFO L137 Inliner]: procedures = 251, calls = 536, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1156 [2021-11-25 07:34:44,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:34:44,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:34:44,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:34:44,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:34:44,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:34:44,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:34:44,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:34:44,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:34:44,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:34:44" (1/1) ... [2021-11-25 07:34:44,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:34:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:34:44,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:34:44,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47891d90-a563-41a1-88dd-d91be93951dd/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:34:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 07:34:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 07:34:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:34:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2021-11-25 07:34:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2021-11-25 07:34:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2021-11-25 07:34:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2021-11-25 07:34:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:34:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:34:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 07:34:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2021-11-25 07:34:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2021-11-25 07:34:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:34:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:34:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:34:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:34:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:34:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:34:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-25 07:34:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-25 07:34:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-25 07:34:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-25 07:34:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 07:34:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-25 07:34:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-25 07:34:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-25 07:34:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:34:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:34:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:34:45,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:34:45,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:34:45,109 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,109 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,109 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2021-11-25 07:34:45,109 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2021-11-25 07:34:45,594 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093: SUMMARY for call __CS_cs(); srcloc: null [2021-11-25 07:34:45,594 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume 0 != ~__CS_ret~0 % 256;t2_#res#1.base, t2_#res#1.offset := 0, 0; [2021-11-25 07:34:45,594 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,595 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129: SUMMARY for call __CS_cs(); srcloc: null [2021-11-25 07:34:45,595 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-25 07:34:45,595 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,595 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume 0 != ~__CS_ret~0 % 256;t2_#res#1.base, t2_#res#1.offset := 0, 0; [2021-11-25 07:34:45,595 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != ~__CS_ret~0 % 256;dequeue_#res#1 := 0; [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume 0 != ~__CS_ret~0 % 256;t2_#res#1.base, t2_#res#1.offset := 0, 0; [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-25 07:34:45,597 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,597 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-25 07:34:45,597 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume 0 != ~__CS_ret~0 % 256;enqueue_#res#1 := 0; [2021-11-25 07:34:45,597 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,597 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##166: assume 0 != ~__CS_ret~0 % 256;t1_#res#1.base, t1_#res#1.offset := 0, 0; [2021-11-25 07:34:45,598 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:45,598 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume 0 != ~__CS_ret~0 % 256;t2_#res#1.base, t2_#res#1.offset := 0, 0; [2021-11-25 07:34:45,598 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !(0 != ~__CS_ret~0 % 256); [2021-11-25 07:34:58,239 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:34:58,460 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:34:58,461 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 07:34:58,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:34:58 BoogieIcfgContainer [2021-11-25 07:34:58,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:34:58,467 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:34:58,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:34:58,478 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:34:58,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:34:58" (1/1) ... [2021-11-25 07:34:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:34:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 316 states and 509 transitions. [2021-11-25 07:34:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 509 transitions. [2021-11-25 07:34:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 07:34:58,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:58,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms