./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:31,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:31,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:01:31,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:31,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:31,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:31,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:31,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:31,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:31,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:31,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:31,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:31,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:31,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:31,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:31,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:31,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:31,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:31,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:31,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:31,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:31,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:31,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:31,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:31,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:31,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:31,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:31,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:31,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:31,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:31,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:31,920 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:31,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:31,921 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:31,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-11-12 00:01:32,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:32,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:32,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:32,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:32,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:32,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-12 00:01:35,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:36,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:36,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-11-12 00:01:36,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/data/7e38e8872/731f3241206c461b9774c1c065095663/FLAGa4642532d [2023-11-12 00:01:36,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/data/7e38e8872/731f3241206c461b9774c1c065095663 [2023-11-12 00:01:36,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:36,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:36,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:36,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:36,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:36,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e06db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36, skipping insertion in model container [2023-11-12 00:01:36,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:37,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:37,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:38,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:38,272 WARN L672 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:38,281 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:38,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38 WrapperNode [2023-11-12 00:01:38,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:38,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:38,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:38,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:38,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,535 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 55, calls inlined = 39, statements flattened = 1111 [2023-11-12 00:01:38,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:38,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:38,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:38,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:38,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:38,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:38,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:38,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:38,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:38" (1/1) ... [2023-11-12 00:01:38,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:38,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:38,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-12 00:01:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-12 00:01:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:01:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:01:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-12 00:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-12 00:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-12 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-12 00:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-12 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:01:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:01:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:01:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-12 00:01:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-12 00:01:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-12 00:01:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-12 00:01:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-12 00:01:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-12 00:01:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-12 00:01:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-12 00:01:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:01:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:01:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:01:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 00:01:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 00:01:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:01:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:01:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:01:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-12 00:01:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-12 00:01:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:01:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:01:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:01:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:01:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:01:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 00:01:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 00:01:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 00:01:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 00:01:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-12 00:01:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-12 00:01:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-12 00:01:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-12 00:01:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-12 00:01:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-12 00:01:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-12 00:01:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-12 00:01:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-12 00:01:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-12 00:01:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:01:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:01:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:01:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:01:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:01:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:01:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:39,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:39,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:41,652 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:42,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:42,123 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:01:42,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:42 BoogieIcfgContainer [2023-11-12 00:01:42,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:42,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:42,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:42,141 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:42,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:42" (1/1) ... [2023-11-12 00:01:42,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 309 states and 418 transitions. [2023-11-12 00:01:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 418 transitions. [2023-11-12 00:01:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:01:42,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 311 states and 421 transitions. [2023-11-12 00:01:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 421 transitions. [2023-11-12 00:01:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:01:43,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:43,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 312 states and 422 transitions. [2023-11-12 00:01:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 422 transitions. [2023-11-12 00:01:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:01:44,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:44,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 314 states and 425 transitions. [2023-11-12 00:01:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 425 transitions. [2023-11-12 00:01:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:01:44,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 315 states and 426 transitions. [2023-11-12 00:01:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 426 transitions. [2023-11-12 00:01:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:01:45,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:45,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:01:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 314 states and 425 transitions. [2023-11-12 00:01:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 425 transitions. [2023-11-12 00:01:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:01:45,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:45,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 311 states and 420 transitions. [2023-11-12 00:01:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 420 transitions. [2023-11-12 00:01:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:01:45,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 313 states and 423 transitions. [2023-11-12 00:01:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 423 transitions. [2023-11-12 00:01:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:01:46,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:46,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 314 states and 424 transitions. [2023-11-12 00:01:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 424 transitions. [2023-11-12 00:01:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:01:46,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:46,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:01:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 310 states and 418 transitions. [2023-11-12 00:01:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 418 transitions. [2023-11-12 00:01:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:01:46,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:48,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 315 states and 426 transitions. [2023-11-12 00:01:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 426 transitions. [2023-11-12 00:01:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:01:49,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:49,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 316 states and 427 transitions. [2023-11-12 00:01:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 427 transitions. [2023-11-12 00:01:49,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:01:49,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:49,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 30 states and 31 transitions. [2023-11-12 00:01:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2023-11-12 00:01:50,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:01:50,019 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-12 00:01:50,030 INFO L753 CodeCheckObserver]: All specifications hold 21 specifications checked. All of them hold [2023-11-12 00:01:50,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,436 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:01:50,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,442 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:01:50,444 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,444 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,445 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,445 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,445 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,445 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,445 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,446 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:50,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:01:50 ImpRootNode [2023-11-12 00:01:50,446 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:01:50,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:01:50,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:01:50,447 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:01:50,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:42" (3/4) ... [2023-11-12 00:01:50,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:01:50,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:01:50,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-11-12 00:01:50,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-11-12 00:01:50,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-11-12 00:01:50,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-11-12 00:01:50,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-11-12 00:01:50,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-11-12 00:01:50,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:01:50,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-11-12 00:01:50,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:01:50,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-11-12 00:01:50,494 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 236 nodes and edges [2023-11-12 00:01:50,498 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2023-11-12 00:01:50,501 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 00:01:50,504 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-12 00:01:50,507 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:01:50,511 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:01:50,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:01:50,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:01:50,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:01:50,810 INFO L158 Benchmark]: Toolchain (without parser) took 14585.04ms. Allocated memory was 205.5MB in the beginning and 343.9MB in the end (delta: 138.4MB). Free memory was 174.1MB in the beginning and 206.0MB in the end (delta: -32.0MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,811 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:50,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2056.19ms. Allocated memory is still 205.5MB. Free memory was 174.1MB in the beginning and 145.7MB in the end (delta: 28.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.43ms. Allocated memory is still 205.5MB. Free memory was 145.7MB in the beginning and 135.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,813 INFO L158 Benchmark]: Boogie Preprocessor took 112.99ms. Allocated memory is still 205.5MB. Free memory was 135.2MB in the beginning and 127.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,814 INFO L158 Benchmark]: RCFGBuilder took 3475.62ms. Allocated memory was 205.5MB in the beginning and 285.2MB in the end (delta: 79.7MB). Free memory was 127.9MB in the beginning and 176.4MB in the end (delta: -48.6MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,816 INFO L158 Benchmark]: CodeCheck took 8316.04ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 176.4MB in the beginning and 229.1MB in the end (delta: -52.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,816 INFO L158 Benchmark]: Witness Printer took 362.54ms. Allocated memory is still 343.9MB. Free memory was 229.1MB in the beginning and 206.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:50,818 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, 313 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 609 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 304 mSDtfsCounter, 893 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1662 GetRequests, 1576 SyntacticMatches, 28 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 39/48 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 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold - InvariantResult [Line: 3268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2748]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2669]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2766]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2056.19ms. Allocated memory is still 205.5MB. Free memory was 174.1MB in the beginning and 145.7MB in the end (delta: 28.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.43ms. Allocated memory is still 205.5MB. Free memory was 145.7MB in the beginning and 135.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.99ms. Allocated memory is still 205.5MB. Free memory was 135.2MB in the beginning and 127.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3475.62ms. Allocated memory was 205.5MB in the beginning and 285.2MB in the end (delta: 79.7MB). Free memory was 127.9MB in the beginning and 176.4MB in the end (delta: -48.6MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. * CodeCheck took 8316.04ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 176.4MB in the beginning and 229.1MB in the end (delta: -52.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 362.54ms. Allocated memory is still 343.9MB. Free memory was 229.1MB in the beginning and 206.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:01:50,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32b3a74-4f9f-4af1-9c93-4baf4ecf94d7/bin/ukojak-verify-0OAaufAVZV/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 Writing output log to file Ultimate.log Result: TRUE