./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:56:08,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:56:08,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:56:08,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:56:08,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:56:08,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:56:08,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:56:08,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:56:08,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:56:08,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:56:08,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:56:08,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:56:08,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:56:08,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:56:08,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:56:08,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:56:08,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:56:08,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:56:08,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:56:08,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:56:08,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:56:08,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:56:08,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:56:08,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:56:08,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:56:08,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:56:08,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:56:08,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:56:08,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:56:08,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:56:08,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:56:08,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:56:08,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:56:08,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:56:08,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:56:08,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:56:08,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:56:08,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:56:08,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:56:08,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:56:08,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:56:08,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-12 22:56:08,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:56:08,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:56:08,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:56:08,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:56:08,957 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:56:08,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:56:08,957 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:56:08,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:56:08,958 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:56:08,958 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:56:08,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:56:08,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:56:08,958 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:56:08,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:56:08,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:56:08,959 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:56:08,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:56:08,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:56:08,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:56:08,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:56:08,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:56:08,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:56:08,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:56:08,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:56:08,962 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:56:08,962 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:56:08,962 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:56:08,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:56:08,963 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:56:08,963 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:56:08,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:56:08,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:56:08,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:56:08,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:08,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:56:08,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:56:08,965 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:56:08,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:56:08,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:56:08,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:56:08,966 INFO L138 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_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2021-11-12 22:56:09,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:56:09,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:56:09,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:56:09,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:56:09,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:56:09,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-11-12 22:56:09,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/306f90623/cedd6fb34ce441a3b4cbf6463283b145/FLAG67a9452b0 [2021-11-12 22:56:10,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:56:10,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-11-12 22:56:10,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/306f90623/cedd6fb34ce441a3b4cbf6463283b145/FLAG67a9452b0 [2021-11-12 22:56:10,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/306f90623/cedd6fb34ce441a3b4cbf6463283b145 [2021-11-12 22:56:10,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:56:10,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:56:10,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:10,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:56:10,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:56:10,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:10" (1/1) ... [2021-11-12 22:56:10,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487edfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:10, skipping insertion in model container [2021-11-12 22:56:10,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:10" (1/1) ... [2021-11-12 22:56:10,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:56:10,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:10,555 WARN L228 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_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-11-12 22:56:11,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:11,584 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:56:11,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d59f3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:11, skipping insertion in model container [2021-11-12 22:56:11,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:11,597 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:56:11,599 INFO L158 Benchmark]: Toolchain (without parser) took 1390.47ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 59.9MB in the beginning and 107.2MB in the end (delta: -47.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-12 22:56:11,600 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:56:11,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.24ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 59.8MB in the beginning and 107.2MB in the end (delta: -47.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-12 22:56:11,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.24ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 59.8MB in the beginning and 107.2MB in the end (delta: -47.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2977]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:56:13,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:56:13,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:56:13,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:56:13,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:56:13,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:56:13,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:56:13,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:56:13,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:56:13,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:56:13,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:56:13,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:56:13,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:56:13,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:56:13,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:56:13,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:56:13,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:56:13,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:56:13,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:56:13,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:56:13,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:56:13,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:56:13,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:56:13,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:56:13,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:56:13,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:56:13,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:56:13,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:56:13,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:56:13,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:56:13,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:56:13,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:56:13,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:56:13,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:56:13,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:56:13,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:56:13,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:56:13,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:56:13,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:56:13,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:56:13,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:56:13,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-12 22:56:14,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:56:14,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:56:14,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:56:14,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:56:14,022 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:56:14,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:56:14,022 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:56:14,022 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:56:14,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:56:14,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:56:14,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:56:14,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:56:14,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:56:14,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:56:14,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:56:14,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:56:14,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:56:14,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:56:14,029 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:56:14,029 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:56:14,029 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:56:14,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:56:14,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:56:14,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:56:14,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:56:14,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:56:14,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:56:14,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:56:14,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:56:14,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:56:14,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:14,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:56:14,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:56:14,033 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:56:14,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:56:14,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:56:14,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:56:14,034 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2021-11-12 22:56:14,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:56:14,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:56:14,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:56:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:56:14,491 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:56:14,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-11-12 22:56:14,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/c2bbfbfe1/7ddea40835404285abb147443f06bf82/FLAG7ae239f58 [2021-11-12 22:56:15,469 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:56:15,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-11-12 22:56:15,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/c2bbfbfe1/7ddea40835404285abb147443f06bf82/FLAG7ae239f58 [2021-11-12 22:56:15,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/data/c2bbfbfe1/7ddea40835404285abb147443f06bf82 [2021-11-12 22:56:16,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:56:16,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:56:16,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:16,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:56:16,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:56:16,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:15" (1/1) ... [2021-11-12 22:56:16,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7696637d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:16, skipping insertion in model container [2021-11-12 22:56:16,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:15" (1/1) ... [2021-11-12 22:56:16,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:56:16,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:16,327 WARN L228 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_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-11-12 22:56:18,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:18,179 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:56:18,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:18,208 WARN L228 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_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-11-12 22:56:18,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:18,427 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:56:18,439 WARN L228 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_f66f7358-65af-4390-a979-ce2c28b248f2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-11-12 22:56:18,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:18,876 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:56:18,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18 WrapperNode [2021-11-12 22:56:18,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:18,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:56:18,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:56:18,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:56:18,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:56:19,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:56:19,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:56:19,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:56:19,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:56:19,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:56:19,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:56:19,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:56:19,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (1/1) ... [2021-11-12 22:56:19,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:19,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:56:19,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:56:19,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:56:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-12 22:56:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-12 22:56:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-12 22:56:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-12 22:56:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 22:56:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-12 22:56:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:56:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:56:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:56:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:56:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:56:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:56:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 22:56:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 22:56:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 22:56:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-12 22:56:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-12 22:56:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-12 22:56:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:56:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:56:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:56:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-12 22:56:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-12 22:56:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:56:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:56:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:56:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-12 22:56:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-12 22:56:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-12 22:56:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-12 22:56:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:56:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:56:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-12 22:56:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-12 22:56:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:56:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:56:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:56:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:56:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:56:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:56:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-12 22:56:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-12 22:56:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:56:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:56:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-12 22:56:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-12 22:56:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:56:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-12 22:56:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-12 22:56:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:56:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:56:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:56:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:56:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-12 22:56:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-12 22:56:19,396 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-12 22:56:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-12 22:56:19,396 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 22:56:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 22:56:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-12 22:56:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-12 22:56:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-12 22:56:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-12 22:56:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-12 22:56:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-12 22:56:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 22:56:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 22:56:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-12 22:56:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-12 22:56:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:56:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-12 22:56:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-12 22:56:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 22:56:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 22:56:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 22:56:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 22:56:26,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:56:26,263 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-12 22:56:26,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:56:26 BoogieIcfgContainer [2021-11-12 22:56:26,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:56:26,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:56:26,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:56:26,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:56:26,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:56:15" (1/3) ... [2021-11-12 22:56:26,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb66816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:56:26, skipping insertion in model container [2021-11-12 22:56:26,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:18" (2/3) ... [2021-11-12 22:56:26,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb66816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:56:26, skipping insertion in model container [2021-11-12 22:56:26,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:56:26" (3/3) ... [2021-11-12 22:56:26,275 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2021-11-12 22:56:26,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:56:26,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-11-12 22:56:26,325 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:56:26,332 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:56:26,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-11-12 22:56:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-11-12 22:56:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 22:56:26,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:56:26,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 22:56:26,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-12 22:56:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:56:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-11-12 22:56:26,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:56:26,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747529783] [2021-11-12 22:56:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:56:26,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:56:26,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:56:26,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:56:26,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f66f7358-65af-4390-a979-ce2c28b248f2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:56:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:56:27,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:56:27,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:58:06,145 WARN L227 SmtUtils]: Spent 1.63m on a formula simplification. DAG size of input: 3433 DAG size of output: 190 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 22:58:06,155 INFO L354 Elim1Store]: treesize reduction 62480, result has 0.8 percent of original size [2021-11-12 22:58:06,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 47 case distinctions, treesize of input 221041568155676 treesize of output 212245475133823