./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm --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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:40:49,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:40:49,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:40:49,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:40:49,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:40:49,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:40:49,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:40:49,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:40:49,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:40:49,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:40:49,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:40:49,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:40:49,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:40:49,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:40:49,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:40:49,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:49,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:40:49,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:40:49,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:40:49,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm 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 -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2024-11-13 20:40:49,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:40:49,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:40:49,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:40:49,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:40:49,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:40:49,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i Unable to find full path for "g++" [2024-11-13 20:40:51,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:40:52,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:40:52,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-11-13 20:40:52,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/25d015ed3/7187225814cb4689baa82f8dafdfd2bd/FLAG78c5fde58 [2024-11-13 20:40:52,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/25d015ed3/7187225814cb4689baa82f8dafdfd2bd [2024-11-13 20:40:52,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:40:52,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:40:52,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:52,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:40:52,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:40:52,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:52" (1/1) ... [2024-11-13 20:40:52,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57aecaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:52, skipping insertion in model container [2024-11-13 20:40:52,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:52" (1/1) ... [2024-11-13 20:40:53,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:40:53,244 WARN L250 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_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2024-11-13 20:40:54,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:54,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:40:54,509 WARN L250 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_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2024-11-13 20:40:54,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:54,952 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:40:54,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54 WrapperNode [2024-11-13 20:40:54,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:54,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:54,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:40:54,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:40:54,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,263 INFO L138 Inliner]: procedures = 474, calls = 2707, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3395 [2024-11-13 20:40:55,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:55,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:40:55,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:40:55,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:40:55,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:40:55,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:40:55,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:40:55,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:40:55,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:54" (1/1) ... [2024-11-13 20:40:55,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:40:55,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:40:55,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:40:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-13 20:40:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-13 20:40:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 20:40:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 20:40:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-13 20:40:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 20:40:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-13 20:40:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:40:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:40:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-13 20:40:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:40:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-13 20:40:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:40:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-13 20:40:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 20:40:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-13 20:40:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-13 20:40:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-13 20:40:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-13 20:40:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:40:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 20:40:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 20:40:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-13 20:40:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-13 20:40:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-13 20:40:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-13 20:40:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-13 20:40:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-13 20:40:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-13 20:40:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-13 20:40:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-13 20:40:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-13 20:40:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-13 20:40:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-13 20:40:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-13 20:40:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 20:40:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 20:40:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:40:56,055 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:40:56,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:01,418 INFO L? ?]: Removed 435 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:01,419 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:41:02,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:41:02,250 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 20:41:02,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02 BoogieIcfgContainer [2024-11-13 20:41:02,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:41:02,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:41:02,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:41:02,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:41:02,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02" (1/1) ... [2024-11-13 20:41:02,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:41:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 275 states and 384 transitions. [2024-11-13 20:41:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 384 transitions. [2024-11-13 20:41:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:41:02,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:02,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:41:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 276 states and 385 transitions. [2024-11-13 20:41:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 385 transitions. [2024-11-13 20:41:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:41:06,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:41:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:10,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 277 states and 387 transitions. [2024-11-13 20:41:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 387 transitions. [2024-11-13 20:41:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:10,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:41:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 278 states and 389 transitions. [2024-11-13 20:41:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 389 transitions. [2024-11-13 20:41:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:41:13,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:13,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 279 states and 390 transitions. [2024-11-13 20:41:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 390 transitions. [2024-11-13 20:41:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:41:16,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 280 states and 391 transitions. [2024-11-13 20:41:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 391 transitions. [2024-11-13 20:41:19,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:41:19,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 281 states and 392 transitions. [2024-11-13 20:41:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 392 transitions. [2024-11-13 20:41:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:41:22,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 282 states and 393 transitions. [2024-11-13 20:41:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 393 transitions. [2024-11-13 20:41:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:41:25,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 283 states and 394 transitions. [2024-11-13 20:41:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 394 transitions. [2024-11-13 20:41:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:41:28,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 284 states and 395 transitions. [2024-11-13 20:41:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 395 transitions. [2024-11-13 20:41:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:41:30,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 285 states and 396 transitions. [2024-11-13 20:41:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 396 transitions. [2024-11-13 20:41:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:41:33,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 286 states and 396 transitions. [2024-11-13 20:41:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 396 transitions. [2024-11-13 20:41:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:41:36,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:38,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:43,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:47,576 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 20:41:47,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:41:47 ImpRootNode [2024-11-13 20:41:47,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:41:47,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:41:47,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:41:47,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:41:47,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02" (3/4) ... [2024-11-13 20:41:47,683 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:41:47,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:41:47,685 INFO L158 Benchmark]: Toolchain (without parser) took 54784.66ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 113.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 432.0MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,687 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:47,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2051.80ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 61.0MB in the end (delta: 51.9MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 309.63ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 88.4MB in the end (delta: -27.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,688 INFO L158 Benchmark]: Boogie Preprocessor took 239.42ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 70.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,688 INFO L158 Benchmark]: RCFGBuilder took 6745.88ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 70.0MB in the beginning and 165.4MB in the end (delta: -95.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,691 INFO L158 Benchmark]: CodeCheck took 45425.77ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 165.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 380.6MB. Max. memory is 16.1GB. [2024-11-13 20:41:47,691 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 103.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:47,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 30 procedures, 279 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 900 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 583 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2497 GetRequests, 2423 SyntacticMatches, 36 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 11/176 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 3978, overapproximation of large string literal at line 1780, overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [\old(lock)={56:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 [L2683] RET spin_lock_init(&kernel_lock) VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i = 0 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) [L2685] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND FALSE !(i < 10) [L2689] i = 0 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 [L2689] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND FALSE !(i < 1) [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [\old(fmt)={21:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4525] return 0; [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1782] CALL zf_readw(0x02) VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1471] CALL outb(port, 0x218) VAL [\old(byte)=2, \old(port)=536, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [\old(expression)=0, \old(x)={28:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] COND TRUE !expression VAL [\old(expression)=0, \old(x)={28:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] reach_error() VAL [\old(expression)=0, \old(x)={28:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2051.80ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 61.0MB in the end (delta: 51.9MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 309.63ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 88.4MB in the end (delta: -27.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 239.42ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 70.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6745.88ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 70.0MB in the beginning and 165.4MB in the end (delta: -95.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * CodeCheck took 45425.77ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 165.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 380.6MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 103.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:41:47,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm --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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:50,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:50,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:41:50,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:50,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:50,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:50,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:50,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:50,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:50,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:50,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:41:50,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:41:50,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:50,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:41:50,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:50,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:41:50,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:50,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:50,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:50,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:50,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:50,565 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:41:50,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:50,565 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:41:50,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm 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 -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2024-11-13 20:41:50,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:50,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:50,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:50,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:50,985 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:50,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i Unable to find full path for "g++" [2024-11-13 20:41:52,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:53,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:53,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2024-11-13 20:41:53,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/eaa32da43/bf22d68219284a3e8d3fdb6bf2567101/FLAG261c685e9 [2024-11-13 20:41:53,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/data/eaa32da43/bf22d68219284a3e8d3fdb6bf2567101 [2024-11-13 20:41:53,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:53,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:53,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:53,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:53,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:53,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:53" (1/1) ... [2024-11-13 20:41:53,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de6dc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:53, skipping insertion in model container [2024-11-13 20:41:53,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:53" (1/1) ... [2024-11-13 20:41:53,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:53,755 WARN L250 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_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2024-11-13 20:41:54,806 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:41:54,839 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:41:54,865 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:41:54,959 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:41:54,994 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:41:54,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:55,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:55,086 WARN L250 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_478590d8-8825-45a7-90c5-7a707804c824/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2024-11-13 20:41:55,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:55,682 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:55,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55 WrapperNode [2024-11-13 20:41:55,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:55,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:55,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:55,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:55,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:55,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,008 INFO L138 Inliner]: procedures = 483, calls = 2707, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3295 [2024-11-13 20:41:56,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:56,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:56,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:56,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:56,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:56,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:56,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:56,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:56,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:55" (1/1) ... [2024-11-13 20:41:56,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:56,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:56,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-13 20:41:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-13 20:41:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-11-13 20:41:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-11-13 20:41:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 20:41:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-13 20:41:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 20:41:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 20:41:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:41:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 20:41:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:41:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:41:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-13 20:41:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 20:41:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-13 20:41:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-13 20:41:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-13 20:41:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-13 20:41:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:41:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-13 20:41:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 20:41:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-13 20:41:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:41:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 20:41:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 20:41:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-13 20:41:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-13 20:41:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-13 20:41:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-13 20:41:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-13 20:41:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-13 20:41:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-13 20:41:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-13 20:41:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-13 20:41:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-13 20:41:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-11-13 20:41:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-11-13 20:41:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-13 20:41:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-13 20:41:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-13 20:41:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-13 20:41:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-13 20:41:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-13 20:41:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2024-11-13 20:41:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2024-11-13 20:41:56,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:56,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:04,772 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:04,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:05,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:05,710 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 20:42:05,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:05 BoogieIcfgContainer [2024-11-13 20:42:05,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:05,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:05,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:05,721 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:05,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:05" (1/1) ... [2024-11-13 20:42:05,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 274 states and 383 transitions. [2024-11-13 20:42:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 383 transitions. [2024-11-13 20:42:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:42:05,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:05,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:05,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:05,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:05,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:42:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:15,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:21,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:42:21,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:21,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:42:25,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 20:42:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 275 states and 384 transitions. [2024-11-13 20:42:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 384 transitions. [2024-11-13 20:42:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:42:26,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:26,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:42:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:34,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:40,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 2820 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:42:40,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:42:40,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:42:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 276 states and 386 transitions. [2024-11-13 20:42:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 386 transitions. [2024-11-13 20:42:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:42:40,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:40,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:42:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:48,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:53,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 2836 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:42:53,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:42:53,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:42:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 277 states and 387 transitions. [2024-11-13 20:42:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 387 transitions. [2024-11-13 20:42:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:53,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:53,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:53,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:53,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:53,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:43:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:01,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:08,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 2847 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:43:08,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:43:08,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 20:43:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 278 states and 388 transitions. [2024-11-13 20:43:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 388 transitions. [2024-11-13 20:43:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:43:09,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:09,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:43:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:43:09,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:43:09,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:43:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:17,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:24,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 2858 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:43:24,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:43:24,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:43:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 279 states and 389 transitions. [2024-11-13 20:43:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 389 transitions. [2024-11-13 20:43:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:43:25,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:25,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:43:25,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:43:25,460 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:43:25,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:43:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:33,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:39,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:43:39,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:43:40,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:43:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 280 states and 390 transitions. [2024-11-13 20:43:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 390 transitions. [2024-11-13 20:43:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:43:41,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:41,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:43:41,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:43:41,541 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:43:41,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:43:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:50,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:58,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:43:58,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:43:58,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:44:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 281 states and 391 transitions. [2024-11-13 20:44:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 391 transitions. [2024-11-13 20:44:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:44:00,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:00,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:00,189 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:00,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:44:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:09,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:16,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 2891 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:44:16,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:44:17,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:44:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 282 states and 392 transitions. [2024-11-13 20:44:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2024-11-13 20:44:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:44:18,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:18,299 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:18,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:44:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:27,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:35,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 2902 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:44:35,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:44:35,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 283 states and 393 transitions. [2024-11-13 20:44:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2024-11-13 20:44:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:44:37,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:37,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:37,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:37,123 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:37,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:44:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:45,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:53,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:44:53,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:44:54,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 284 states and 394 transitions. [2024-11-13 20:44:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2024-11-13 20:44:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:44:56,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:56,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:56,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:56,149 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:45:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:05,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:12,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 2924 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:45:12,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:45:12,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:45:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 285 states and 395 transitions. [2024-11-13 20:45:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 395 transitions. [2024-11-13 20:45:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:45:14,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:14,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:14,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:14,709 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:45:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:50,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:46:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:46:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:43,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:46:43,110 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:46:43,114 INFO L158 Benchmark]: Toolchain (without parser) took 289699.80ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 90.1MB in the beginning and 897.3MB in the end (delta: -807.2MB). Peak memory consumption was 639.9MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,114 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:46:43,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2266.95ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 45.2MB in the end (delta: 44.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 325.95ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 51.7MB in the end (delta: -6.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,116 INFO L158 Benchmark]: Boogie Preprocessor took 238.92ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 52.7MB in the end (delta: -971.7kB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,116 INFO L158 Benchmark]: RCFGBuilder took 9458.76ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 52.7MB in the beginning and 216.6MB in the end (delta: -163.9MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,117 INFO L158 Benchmark]: CodeCheck took 277402.36ms. Allocated memory was 327.2MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 216.6MB in the beginning and 897.3MB in the end (delta: -680.7MB). Peak memory consumption was 557.6MB. Max. memory is 16.1GB. [2024-11-13 20:46:43,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2266.95ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 45.2MB in the end (delta: 44.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 325.95ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 51.7MB in the end (delta: -6.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.92ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 52.7MB in the end (delta: -971.7kB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * RCFGBuilder took 9458.76ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 52.7MB in the beginning and 216.6MB in the end (delta: -163.9MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. * CodeCheck took 277402.36ms. Allocated memory was 327.2MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 216.6MB in the beginning and 897.3MB in the end (delta: -680.7MB). Peak memory consumption was 557.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:46:43,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478590d8-8825-45a7-90c5-7a707804c824/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown