./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:40,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:40,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:40,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:40,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:40,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:40,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:40,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:40,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:40,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:40,896 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:40,897 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:40,897 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:40,898 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:40,898 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:40,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:40,900 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:40,900 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:40,901 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:40,901 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:40,902 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:40,902 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:40,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:40,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:40,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:40,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:40,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:40,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:40,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:40,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:40,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:40,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:40,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:40,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:40,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:40,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:40,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:40,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:40,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:40,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:40,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:40,912 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:40,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:40,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:40,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:40,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:40,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:40,914 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-11-23 20:31:41,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:41,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:41,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:41,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:41,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:41,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-11-23 20:31:44,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:45,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:45,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-11-23 20:31:45,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/data/17283a001/4af91cd7f40d4b33a9c1ea86f0a8098a/FLAGcb4a066b5 [2023-11-23 20:31:45,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/data/17283a001/4af91cd7f40d4b33a9c1ea86f0a8098a [2023-11-23 20:31:45,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:45,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:45,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:45,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:45,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:45,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2023-11-23 20:31:45,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90f9ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:45, skipping insertion in model container [2023-11-23 20:31:45,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2023-11-23 20:31:45,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:45,424 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-11-23 20:31:46,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:47,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:47,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-11-23 20:31:47,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:47,526 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:47,534 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:47,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47 WrapperNode [2023-11-23 20:31:47,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:47,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:47,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:47,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:47,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,722 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1080 [2023-11-23 20:31:47,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:47,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:47,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:47,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:47,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:47,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:47,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:47,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:47,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (1/1) ... [2023-11-23 20:31:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:47,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:47,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:47,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-23 20:31:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-23 20:31:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:31:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-23 20:31:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:31:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:31:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:31:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:31:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:31:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-23 20:31:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-23 20:31:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-23 20:31:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:31:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:31:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-23 20:31:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-23 20:31:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:31:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:31:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:31:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-23 20:31:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-23 20:31:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 20:31:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 20:31:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-23 20:31:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-23 20:31:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-23 20:31:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-23 20:31:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:31:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 20:31:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 20:31:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:31:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 20:31:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 20:31:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-23 20:31:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-23 20:31:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 20:31:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 20:31:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:31:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:31:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:31:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 20:31:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 20:31:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 20:31:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 20:31:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-23 20:31:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-23 20:31:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-23 20:31:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-23 20:31:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-23 20:31:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-23 20:31:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-23 20:31:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-23 20:31:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-23 20:31:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-23 20:31:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 20:31:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 20:31:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:31:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:31:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:31:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:31:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:48,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:48,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:49,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:50,301 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:50,302 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:31:50,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:50 BoogieIcfgContainer [2023-11-23 20:31:50,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:50,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:50,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:50,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:50,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:45" (1/3) ... [2023-11-23 20:31:50,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b50ca54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:50, skipping insertion in model container [2023-11-23 20:31:50,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:47" (2/3) ... [2023-11-23 20:31:50,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b50ca54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:50, skipping insertion in model container [2023-11-23 20:31:50,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:50" (3/3) ... [2023-11-23 20:31:50,314 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-11-23 20:31:50,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:50,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 20:31:50,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b50ca54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:50, skipping insertion in model container [2023-11-23 20:31:50,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:50,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:50,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:50,338 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:50,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:50" (3/3) ... [2023-11-23 20:31:50,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:50,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-11-23 20:31:50,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-23 20:31:50,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-11-23 20:31:50,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-11-23 20:31:50,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-11-23 20:31:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-11-23 20:31:50,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-11-23 20:31:50,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-11-23 20:31:50,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-11-23 20:31:50,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 20:31:50,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-11-23 20:31:50,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 20:31:50,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-11-23 20:31:50,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 238 nodes and edges [2023-11-23 20:31:50,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2023-11-23 20:31:50,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:31:50,384 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:31:50,387 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:31:50,390 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:31:50,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:31:50,619 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:31:50,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:50,621 INFO L158 Benchmark]: Toolchain (without parser) took 5519.47ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 106.8MB in the beginning and 103.1MB in the end (delta: 3.7MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,621 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:50,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2433.52ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 99.8MB in the end (delta: 6.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.83ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 90.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,622 INFO L158 Benchmark]: Boogie Preprocessor took 137.73ms. Allocated memory is still 184.5MB. Free memory was 90.3MB in the beginning and 81.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,623 INFO L158 Benchmark]: RCFGBuilder took 2442.00ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 81.9MB in the beginning and 128.3MB in the end (delta: -46.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,623 INFO L158 Benchmark]: TraceAbstraction took 29.92ms. Allocated memory is still 230.7MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,623 INFO L158 Benchmark]: Witness Printer took 281.84ms. Allocated memory is still 230.7MB. Free memory was 126.2MB in the beginning and 103.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:50,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2433.52ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 99.8MB in the end (delta: 6.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.83ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 90.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.73ms. Allocated memory is still 184.5MB. Free memory was 90.3MB in the beginning and 81.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2442.00ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 81.9MB in the beginning and 128.3MB in the end (delta: -46.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29.92ms. Allocated memory is still 230.7MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 281.84ms. Allocated memory is still 230.7MB. Free memory was 126.2MB in the beginning and 103.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:31:50,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcec971-1e88-4df1-8fe9-2a38523cd786/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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