./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL --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 8159433f4ea1208e9ded3d30d98c55f64500f74c12655a237b65d69e94898ea5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:23,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:23,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:23,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:23,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:23,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:23,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:23,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:23,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:23,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:23,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:23,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:23,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:23,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:23,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:23,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:23,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:23,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:23,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:23,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:23,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:23,396 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:23,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:23,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:23,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:23,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:23,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:23,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:23,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:23,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:23,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:23,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:23,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:23,403 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_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8159433f4ea1208e9ded3d30d98c55f64500f74c12655a237b65d69e94898ea5 [2023-11-19 04:00:23,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:23,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:23,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:23,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:23,781 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:23,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_queue-2.i [2023-11-19 04:00:26,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:27,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:27,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/sv-benchmarks/c/seq-pthread/cs_queue-2.i [2023-11-19 04:00:27,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/data/cde8f60f9/d1166c76f1894997bae3b5c54172225e/FLAG4ff209a1f [2023-11-19 04:00:27,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/data/cde8f60f9/d1166c76f1894997bae3b5c54172225e [2023-11-19 04:00:27,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:27,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:27,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:27,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:27,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:27,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:27" (1/1) ... [2023-11-19 04:00:27,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47427401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:27, skipping insertion in model container [2023-11-19 04:00:27,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:27" (1/1) ... [2023-11-19 04:00:27,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:27,989 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_878db079-3bb7-4751-9247-8478e16773e5/sv-benchmarks/c/seq-pthread/cs_queue-2.i[34556,34569] [2023-11-19 04:00:28,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:28,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:28,235 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_878db079-3bb7-4751-9247-8478e16773e5/sv-benchmarks/c/seq-pthread/cs_queue-2.i[34556,34569] [2023-11-19 04:00:28,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:28,516 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:28,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28 WrapperNode [2023-11-19 04:00:28,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:28,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:28,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:28,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:28,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,723 INFO L138 Inliner]: procedures = 249, calls = 531, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1088 [2023-11-19 04:00:28,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:28,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:28,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:28,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:28,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:28,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:28,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:28,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:28,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:28,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:28,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:29,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878db079-3bb7-4751-9247-8478e16773e5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:00:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:00:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 04:00:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 04:00:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-19 04:00:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-19 04:00:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:00:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:00:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-19 04:00:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-19 04:00:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-19 04:00:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-19 04:00:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:00:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 04:00:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 04:00:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 04:00:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 04:00:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 04:00:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 04:00:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 04:00:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 04:00:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:29,435 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:29,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:29,539 INFO L767 $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)); [2023-11-19 04:00:29,539 INFO L767 $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)); [2023-11-19 04:00:29,540 INFO L767 $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; [2023-11-19 04:00:29,540 INFO L767 $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; [2023-11-19 04:00:29,658 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:29,660 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-11-19 04:00:30,302 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097: SUMMARY for call __CS_cs(); srcloc: null [2023-11-19 04:00:30,302 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097-1: 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; [2023-11-19 04:00:30,302 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,302 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1132: SUMMARY for call __CS_cs(); srcloc: null [2023-11-19 04:00:30,302 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1132-1: 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; [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1132-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1075: SUMMARY for call __CS_cs(); srcloc: null [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1075-1: 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; [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L1075-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,303 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: 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; [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: 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; [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: 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; [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,304 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##128: 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; [2023-11-19 04:00:30,304 INFO L767 $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)); [2023-11-19 04:00:30,305 INFO L767 $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; [2023-11-19 04:00:30,305 INFO L767 $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)); [2023-11-19 04:00:30,305 INFO L767 $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; [2023-11-19 04:00:30,305 INFO L767 $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; [2023-11-19 04:00:30,305 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##169: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,305 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##168: 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; [2023-11-19 04:00:30,306 INFO L767 $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)); [2023-11-19 04:00:30,306 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: 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; [2023-11-19 04:00:30,306 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,306 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 04:00:30,306 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: 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; [2023-11-19 04:00:43,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:43,881 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:43,881 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:00:43,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:43 BoogieIcfgContainer [2023-11-19 04:00:43,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:43,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:43,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:43,905 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:43,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:43" (1/1) ... [2023-11-19 04:00:43,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 328 states and 529 transitions. [2023-11-19 04:00:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 529 transitions. [2023-11-19 04:00:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 04:00:44,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:44,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2023-11-19 04:00:59,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 438 states and 695 transitions. [2023-11-19 04:01:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 695 transitions. [2023-11-19 04:01:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-19 04:01:00,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2023-11-19 04:01:14,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 446 states and 723 transitions. [2023-11-19 04:01:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 723 transitions. [2023-11-19 04:01:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-19 04:01:15,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2023-11-19 04:01:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 451 states and 758 transitions. [2023-11-19 04:01:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 758 transitions. [2023-11-19 04:01:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-19 04:01:19,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat