./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:10:49,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:10:49,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:10:49,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:10:49,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:10:49,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:10:49,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:10:49,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:10:49,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:10:49,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:10:49,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:10:49,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:10:49,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:10:49,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:10:49,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:10:49,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:49,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:10:49,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:10:49,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:10:49,669 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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 -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-11-13 21:10:50,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:10:50,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:10:50,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:10:50,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:10:50,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:10:50,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i Unable to find full path for "g++" [2024-11-13 21:10:52,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:10:52,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:10:52,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-11-13 21:10:52,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/29576ccd7/153676bb8c28466a91cd30a4af4f16fb/FLAGe04a9e7b7 [2024-11-13 21:10:52,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/29576ccd7/153676bb8c28466a91cd30a4af4f16fb [2024-11-13 21:10:52,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:10:52,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:10:52,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:52,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:10:52,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:10:52,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:52" (1/1) ... [2024-11-13 21:10:52,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff1927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:52, skipping insertion in model container [2024-11-13 21:10:52,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:52" (1/1) ... [2024-11-13 21:10:53,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:10:53,263 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-11-13 21:10:54,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:54,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:10:54,826 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-11-13 21:10:55,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:55,478 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:10:55,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55 WrapperNode [2024-11-13 21:10:55,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:55,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:55,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:10:55,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:10:55,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,777 INFO L138 Inliner]: procedures = 472, calls = 2680, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 3390 [2024-11-13 21:10:55,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:55,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:10:55,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:10:55,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:10:55,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:55,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:56,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:56,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:56,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:56,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:10:56,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:10:56,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:10:56,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:10:56,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:55" (1/1) ... [2024-11-13 21:10:56,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:56,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:10:56,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:10:56,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:10:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-13 21:10:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-13 21:10:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:10:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 21:10:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-13 21:10:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:10:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-13 21:10:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:10:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:10:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:10:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-13 21:10:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-13 21:10:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:10:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:10:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-13 21:10:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-13 21:10:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:10:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:10:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 21:10:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 21:10:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-13 21:10:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-13 21:10:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-13 21:10:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-13 21:10:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:10:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 21:10:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 21:10:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-13 21:10:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-13 21:10:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-13 21:10:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-13 21:10:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-13 21:10:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-13 21:10:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-13 21:10:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-13 21:10:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-13 21:10:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 21:10:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 21:10:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:10:56,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:10:56,793 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:04,661 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:04,662 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:05,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:05,728 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 21:11:05,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:05 BoogieIcfgContainer [2024-11-13 21:11:05,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:05,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:05,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:05,743 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:05,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:05" (1/1) ... [2024-11-13 21:11:05,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 267 states and 374 transitions. [2024-11-13 21:11:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 374 transitions. [2024-11-13 21:11:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:11:05,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:05,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:10,787 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 21:11:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 268 states and 375 transitions. [2024-11-13 21:11:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 375 transitions. [2024-11-13 21:11:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:11:11,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:11,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:15,177 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 21:11:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2024-11-13 21:11:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2024-11-13 21:11:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:11:15,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:19,002 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 21:11:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 270 states and 379 transitions. [2024-11-13 21:11:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 379 transitions. [2024-11-13 21:11:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:11:19,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:19,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:22,963 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 21:11:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 271 states and 380 transitions. [2024-11-13 21:11:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 380 transitions. [2024-11-13 21:11:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:11:23,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:23,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:26,954 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 21:11:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 272 states and 381 transitions. [2024-11-13 21:11:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 381 transitions. [2024-11-13 21:11:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:11:27,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:30,612 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 21:11:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 273 states and 382 transitions. [2024-11-13 21:11:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 382 transitions. [2024-11-13 21:11:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:11:30,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:34,100 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 21:11:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 274 states and 383 transitions. [2024-11-13 21:11:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 383 transitions. [2024-11-13 21:11:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:11:34,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:37,433 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 21:11:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 275 states and 384 transitions. [2024-11-13 21:11:37,540 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 384 transitions. [2024-11-13 21:11:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:11:37,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:40,394 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 21:11:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 276 states and 385 transitions. [2024-11-13 21:11:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 385 transitions. [2024-11-13 21:11:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:11:40,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:43,123 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 21:11:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 277 states and 386 transitions. [2024-11-13 21:11:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 386 transitions. [2024-11-13 21:11:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:11:43,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:46,183 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 21:11:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 278 states and 386 transitions. [2024-11-13 21:11:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 386 transitions. [2024-11-13 21:11:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:11:46,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:48,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:53,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:59,112 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 21:11:59,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:11:59 ImpRootNode [2024-11-13 21:11:59,306 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:11:59,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:11:59,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:11:59,307 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:11:59,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:05" (3/4) ... [2024-11-13 21:11:59,311 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:11:59,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:11:59,314 INFO L158 Benchmark]: Toolchain (without parser) took 66406.87ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 88.1MB in the beginning and 938.0MB in the end (delta: -849.9MB). Peak memory consumption was 869.0MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,314 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:59,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2571.24ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 74.2MB in the end (delta: 13.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 295.37ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 48.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,315 INFO L158 Benchmark]: Boogie Preprocessor took 308.25ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 55.8MB in the end (delta: -7.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,318 INFO L158 Benchmark]: RCFGBuilder took 9642.79ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 55.8MB in the beginning and 126.4MB in the end (delta: -70.6MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,320 INFO L158 Benchmark]: CodeCheck took 53575.93ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 126.4MB in the beginning and 939.4MB in the end (delta: -813.0MB). Peak memory consumption was 733.5MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,320 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 1.8GB. Free memory was 939.4MB in the beginning and 938.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:59,322 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 29 procedures, 271 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 977 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 638 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 244 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368 IncrementalHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 244 mSolverCounterUnsat, 638 mSDtfsCounter, 368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2651 GetRequests, 2577 SyntacticMatches, 36 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 10/175 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 3963, overapproximation of large string literal at line 1474, overapproximation of large string literal at line 1778. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] 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, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [\old(lock)={44:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->init = 1 [L4156] lock->locked = 0 [L2667] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) [L2669] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND FALSE !(i < 10) [L2673] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 [L2673] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND FALSE !(i < 1) [L2729] RET init_kernel() [L2731] CALL (* _ddv_module_init)() [L1776] int ret; [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [\old(fmt)={20:0}, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4482] return 0; [L1778] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [\old(port)=2, _ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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, port=2, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1470] CALL inw(0x21A) [L3963] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L12] reach_error() 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2571.24ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 74.2MB in the end (delta: 13.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 295.37ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 48.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 308.25ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 55.8MB in the end (delta: -7.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9642.79ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 55.8MB in the beginning and 126.4MB in the end (delta: -70.6MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. * CodeCheck took 53575.93ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 126.4MB in the beginning and 939.4MB in the end (delta: -813.0MB). Peak memory consumption was 733.5MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 1.8GB. Free memory was 939.4MB in the beginning and 938.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:11:59,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:12:02,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:12:02,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:12:02,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:12:02,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:12:02,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:12:02,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:12:02,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:12:02,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:12:02,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:12:02,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:12:02,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:12:02,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:12:02,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:12:02,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:12:02,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:12:02,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:12:02,794 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:12:02,794 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:12:02,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:02,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:12:02,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:02,796 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:12:02,796 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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 -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-11-13 21:12:03,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:12:03,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:12:03,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:12:03,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:12:03,238 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:12:03,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i Unable to find full path for "g++" [2024-11-13 21:12:05,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:12:06,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:12:06,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-11-13 21:12:06,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/a072d4530/a11d45ad544b4365aa7ecc72035f37dc/FLAG51b280188 [2024-11-13 21:12:06,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/data/a072d4530/a11d45ad544b4365aa7ecc72035f37dc [2024-11-13 21:12:06,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:12:06,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:12:06,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:06,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:12:06,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:12:06,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:06" (1/1) ... [2024-11-13 21:12:06,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6915b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:06, skipping insertion in model container [2024-11-13 21:12:06,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:06" (1/1) ... [2024-11-13 21:12:06,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:12:06,699 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-11-13 21:12:07,845 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 21:12:07,889 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 21:12:07,929 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 21:12:08,107 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 21:12:08,173 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 21:12:08,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:08,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:12:08,309 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_ce176cae-93d4-4e37-863a-e4c3ada1d1af/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2024-11-13 21:12:08,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:09,030 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:12:09,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09 WrapperNode [2024-11-13 21:12:09,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:09,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:09,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:12:09,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:12:09,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,402 INFO L138 Inliner]: procedures = 481, calls = 2680, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 3290 [2024-11-13 21:12:09,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:09,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:12:09,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:12:09,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:12:09,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:12:09,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:12:09,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:12:09,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:12:09,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:09" (1/1) ... [2024-11-13 21:12:09,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:09,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:12:09,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:12:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:12:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-13 21:12:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-13 21:12:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-11-13 21:12:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-11-13 21:12:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:12:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 21:12:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-13 21:12:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-13 21:12:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:12:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-13 21:12:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-11-13 21:12:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-13 21:12:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:12:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:12:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 21:12:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 21:12:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-13 21:12:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-13 21:12:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-13 21:12:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-13 21:12:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:12:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-13 21:12:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:12:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-13 21:12:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:12:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 21:12:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-13 21:12:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 21:12:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-13 21:12:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-13 21:12:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-13 21:12:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-13 21:12:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-13 21:12:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-13 21:12:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2024-11-13 21:12:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2024-11-13 21:12:10,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:12:10,426 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:12:19,490 INFO L? ?]: Removed 441 outVars from TransFormulas that were not future-live. [2024-11-13 21:12:19,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:12:20,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:12:20,652 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 21:12:20,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:20 BoogieIcfgContainer [2024-11-13 21:12:20,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:12:20,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:12:20,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:12:20,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:12:20,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:20" (1/1) ... [2024-11-13 21:12:20,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:12:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 266 states and 373 transitions. [2024-11-13 21:12:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 373 transitions. [2024-11-13 21:12:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:12:20,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:20,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:20,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:20,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:20,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:12:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:31,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 2777 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:37,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:37,937 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 21:12:37,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:12:42,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:12:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 267 states and 374 transitions. [2024-11-13 21:12:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 374 transitions. [2024-11-13 21:12:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:43,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:43,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:43,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:12:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:51,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:56,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 2788 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:56,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:56,137 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 21:12:56,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:12:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 268 states and 376 transitions. [2024-11-13 21:12:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 376 transitions. [2024-11-13 21:12:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:12:56,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:56,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:56,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:56,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:56,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:13:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:04,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:13:09,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:09,140 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 21:13:09,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2024-11-13 21:13:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2024-11-13 21:13:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:13:09,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:09,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:09,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:09,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:13:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:17,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:25,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:13:25,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:26,135 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 21:13:26,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:13:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 270 states and 378 transitions. [2024-11-13 21:13:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 378 transitions. [2024-11-13 21:13:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:13:26,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:26,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:13:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:36,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:43,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 2826 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:13:43,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:44,131 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 21:13:44,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:13:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 271 states and 379 transitions. [2024-11-13 21:13:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 379 transitions. [2024-11-13 21:13:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:13:44,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:44,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:44,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:44,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:44,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:13:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:52,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:59,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 2837 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:13:59,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:59,810 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 21:13:59,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:14:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 272 states and 380 transitions. [2024-11-13 21:14:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 380 transitions. [2024-11-13 21:14:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:14:00,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:00,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:00,715 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:00,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:14:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:08,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:14:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:15,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:14:15,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:16,022 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 21:14:16,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:14:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 273 states and 381 transitions. [2024-11-13 21:14:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 381 transitions. [2024-11-13 21:14:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:14:17,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:17,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:17,055 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:17,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:14:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:24,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:14:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:31,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:14:31,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:32,402 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 21:14:32,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:14:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 274 states and 382 transitions. [2024-11-13 21:14:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 382 transitions. [2024-11-13 21:14:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:14:33,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:33,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:33,555 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:33,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:14:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:41,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:14:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:47,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:14:47,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:48,458 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 21:14:48,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:14:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2024-11-13 21:14:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2024-11-13 21:14:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:14:49,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:49,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:49,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:49,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:14:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:57,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:04,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 2881 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:15:04,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:05,002 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 21:15:05,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:15:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2024-11-13 21:15:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2024-11-13 21:15:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:15:06,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:06,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:06,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:06,736 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:06,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:15:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:14,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:21,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:15:21,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:22,631 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 21:15:22,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 21:15:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 277 states and 385 transitions. [2024-11-13 21:15:24,261 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 385 transitions. [2024-11-13 21:15:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:15:24,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:24,265 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:24,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:15:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:58,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:16:54,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:16:54,759 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 21:16:54,763 INFO L158 Benchmark]: Toolchain (without parser) took 288470.16ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 89.1MB in the beginning and 913.5MB in the end (delta: -824.4MB). Peak memory consumption was 552.5MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,764 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:54,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2735.58ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 53.7MB in the end (delta: 35.1MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 372.83ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 56.6MB in the end (delta: -2.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,765 INFO L158 Benchmark]: Boogie Preprocessor took 281.09ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 33.0MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,765 INFO L158 Benchmark]: RCFGBuilder took 10965.15ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 33.0MB in the beginning and 261.3MB in the end (delta: -228.2MB). Peak memory consumption was 176.0MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,766 INFO L158 Benchmark]: CodeCheck took 274109.37ms. Allocated memory was 385.9MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 261.3MB in the beginning and 913.5MB in the end (delta: -652.3MB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. [2024-11-13 21:16:54,770 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2735.58ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 53.7MB in the end (delta: 35.1MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 372.83ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 56.6MB in the end (delta: -2.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 281.09ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 33.0MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 10965.15ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 33.0MB in the beginning and 261.3MB in the end (delta: -228.2MB). Peak memory consumption was 176.0MB. Max. memory is 16.1GB. * CodeCheck took 274109.37ms. Allocated memory was 385.9MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 261.3MB in the beginning and 913.5MB in the end (delta: -652.3MB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:16:54,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce176cae-93d4-4e37-863a-e4c3ada1d1af/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