./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_sync.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_sync.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV --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 459cf049271151c452003a0973bcdcc76c918d5759d842702be03de8528f67ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:16,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:16,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:00:16,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:16,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:16,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:16,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:16,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:16,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:16,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:16,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:16,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:16,288 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:16,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:16,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:16,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:16,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:16,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:16,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:16,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:16,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:16,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:16,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:16,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:16,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:16,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:16,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:16,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:16,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:16,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:16,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:16,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:16,300 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_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459cf049271151c452003a0973bcdcc76c918d5759d842702be03de8528f67ef [2023-11-12 00:00:16,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:16,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:16,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:16,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:16,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:16,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_sync.i [2023-11-12 00:00:19,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:20,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:20,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/sv-benchmarks/c/seq-pthread/cs_sync.i [2023-11-12 00:00:20,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/data/f94f06555/694e718706d44c39ae0d9a4d2307c18c/FLAGd50e0e211 [2023-11-12 00:00:20,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/data/f94f06555/694e718706d44c39ae0d9a4d2307c18c [2023-11-12 00:00:20,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:20,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:20,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:20,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:20,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:20,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:20" (1/1) ... [2023-11-12 00:00:20,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cfcbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:20, skipping insertion in model container [2023-11-12 00:00:20,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:20" (1/1) ... [2023-11-12 00:00:20,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:20,859 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_27d36cb1-6d44-4587-bc3a-adeaa3b46254/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2023-11-12 00:00:20,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:20,986 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:21,029 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_27d36cb1-6d44-4587-bc3a-adeaa3b46254/sv-benchmarks/c/seq-pthread/cs_sync.i[34698,34711] [2023-11-12 00:00:21,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:21,169 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:21,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21 WrapperNode [2023-11-12 00:00:21,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:21,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:21,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:21,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:21,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,272 INFO L138 Inliner]: procedures = 245, calls = 244, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 551 [2023-11-12 00:00:21,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:21,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:21,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:21,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:21,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:21,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:21,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:21,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:21,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:21" (1/1) ... [2023-11-12 00:00:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:21,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:21,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d36cb1-6d44-4587-bc3a-adeaa3b46254/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-11-12 00:00:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-11-12 00:00:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-12 00:00:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-12 00:00:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:00:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:00:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-12 00:00:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-12 00:00:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-11-12 00:00:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-11-12 00:00:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:00:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:00:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:00:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-11-12 00:00:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-11-12 00:00:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:00:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:00:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:00:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:00:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:00:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:00:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:21,748 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:21,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:22,323 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-12 00:00:22,323 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: 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_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2023-11-12 00:00:22,323 INFO L770 $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)); [2023-11-12 00:00:22,324 INFO L770 $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_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2023-11-12 00:00:22,324 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L991: SUMMARY for call __CS_cs(); srcloc: null [2023-11-12 00:00:22,324 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: 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_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2023-11-12 00:00:22,324 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-12 00:00:23,110 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:23,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:23,420 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:00:23,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:23 BoogieIcfgContainer [2023-11-12 00:00:23,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:23,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:23,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:23,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:23,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 160 states and 242 transitions. [2023-11-12 00:00:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2023-11-12 00:00:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-12 00:00:23,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:23,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:00:34,332 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 [] [2023-11-12 00:00:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 161 states and 243 transitions. [2023-11-12 00:00:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 243 transitions. [2023-11-12 00:00:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-12 00:00:34,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:00:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 162 states and 245 transitions. [2023-11-12 00:00:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2023-11-12 00:00:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:00:34,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:34,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:00:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2023-11-12 00:00:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2023-11-12 00:00:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 00:00:35,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-12 00:00:46,106 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 [] [2023-11-12 00:00:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 167 states and 254 transitions. [2023-11-12 00:00:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 254 transitions. [2023-11-12 00:00:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-12 00:00:46,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-12 00:00:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2023-11-12 00:00:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2023-11-12 00:00:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-12 00:00:46,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-12 00:00:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 169 states and 254 transitions. [2023-11-12 00:00:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 254 transitions. [2023-11-12 00:00:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-12 00:00:47,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:47,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-12 00:00:59,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:09,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:19,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []