./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 0.2.3-dev-30e01a7 [2023-11-23 20:20:14,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:14,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:20:14,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:14,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:14,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:14,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:14,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:14,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:14,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:14,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:14,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:14,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:14,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:14,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:14,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:14,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:14,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:14,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:14,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:14,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:14,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:14,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:14,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:14,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:14,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:14,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:14,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:14,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:14,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:14,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:14,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:14,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:14,805 INFO L153 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_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf [2023-11-23 20:20:15,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:15,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:15,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:15,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:15,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:15,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_queue-1.i [2023-11-23 20:20:18,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:18,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:18,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/sv-benchmarks/c/seq-pthread/cs_queue-1.i [2023-11-23 20:20:18,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/data/b69e55350/b8fdc9f8a8f04a16a084f15b4293c465/FLAG6b1957a1f [2023-11-23 20:20:18,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/data/b69e55350/b8fdc9f8a8f04a16a084f15b4293c465 [2023-11-23 20:20:18,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:18,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:18,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:18,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:18,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:18,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:18" (1/1) ... [2023-11-23 20:20:18,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dbbd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:18, skipping insertion in model container [2023-11-23 20:20:18,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:18" (1/1) ... [2023-11-23 20:20:18,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:19,486 WARN L240 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_6c3a710b-0146-4c6c-91c1-886c6e8f8417/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2023-11-23 20:20:19,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:19,761 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:19,804 WARN L240 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_6c3a710b-0146-4c6c-91c1-886c6e8f8417/sv-benchmarks/c/seq-pthread/cs_queue-1.i[34744,34757] [2023-11-23 20:20:19,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:19,978 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:19,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19 WrapperNode [2023-11-23 20:20:19,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:19,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:19,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:19,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:19,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,180 INFO L138 Inliner]: procedures = 251, calls = 534, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1166 [2023-11-23 20:20:20,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:20,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:20,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:20,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:20,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:20,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:20,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:20,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:20,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:19" (1/1) ... [2023-11-23 20:20:20,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:20,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:20,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:20,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a710b-0146-4c6c-91c1-886c6e8f8417/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:20:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:20:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:20:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:20:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-23 20:20:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-23 20:20:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:20:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:20:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-23 20:20:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-23 20:20:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:20:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:20:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:20:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:20:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:20:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:20:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:20:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:20:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:20:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:20,660 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:20,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:20,817 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:20,817 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:20,818 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-11-23 20:20:20,818 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-11-23 20:20:21,437 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:20:21,438 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2023-11-23 20:20:21,439 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,439 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:20:21,439 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);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; [2023-11-23 20:20:21,440 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,440 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2023-11-23 20:20:21,440 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,446 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,446 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);dequeue_#res#1 := 0; [2023-11-23 20:20:21,446 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,446 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);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; [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);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; [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);enqueue_#res#1 := 0; [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,447 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##166: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t1_#res#1.base, t1_#res#1.offset := 0, 0; [2023-11-23 20:20:21,448 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:21,448 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2023-11-23 20:20:21,448 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:20:32,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:32,558 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:32,559 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:20:32,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:32 BoogieIcfgContainer [2023-11-23 20:20:32,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:32,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:32,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:32,573 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:32,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:32" (1/1) ... [2023-11-23 20:20:32,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 316 states and 509 transitions. [2023-11-23 20:20:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 509 transitions. [2023-11-23 20:20:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 20:20:32,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:32,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2023-11-23 20:20:46,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:20:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 317 states and 510 transitions. [2023-11-23 20:20:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 510 transitions. [2023-11-23 20:20:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-23 20:20:46,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2023-11-23 20:20:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 318 states and 512 transitions. [2023-11-23 20:20:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 512 transitions. [2023-11-23 20:20:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-23 20:20:48,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2023-11-23 20:20:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 319 states and 514 transitions. [2023-11-23 20:20:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 514 transitions. [2023-11-23 20:20:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-23 20:20:52,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:52,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2655 trivial. 0 not checked. [2023-11-23 20:20:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 320 states and 516 transitions. [2023-11-23 20:20:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 516 transitions. [2023-11-23 20:20:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-23 20:20:54,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:54,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2657 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2655 trivial. 0 not checked. [2023-11-23 20:20:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 321 states and 518 transitions. [2023-11-23 20:20:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 518 transitions. [2023-11-23 20:20:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-23 20:20:57,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:57,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2659 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2658 trivial. 0 not checked. [2023-11-23 20:20:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 322 states and 520 transitions. [2023-11-23 20:20:59,447 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 520 transitions. [2023-11-23 20:20:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-23 20:20:59,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:59,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2658 trivial. 0 not checked. [2023-11-23 20:21:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 323 states and 522 transitions. [2023-11-23 20:21:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 522 transitions. [2023-11-23 20:21:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-11-23 20:21:01,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2661 trivial. 0 not checked.