./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --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 84f62959dc20df3dcecaea8b03619fc02cb1358b .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --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 84f62959dc20df3dcecaea8b03619fc02cb1358b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:02,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:02,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:02,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:02,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:02,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:02,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:02,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:02,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:02,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:02,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:02,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:02,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:02,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:02,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:02,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:02,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:02,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:02,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:02,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:02,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:02,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:02,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:02,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:02,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:02,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:02,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:02,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:02,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:02,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:02,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:02,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:02,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:02,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:02,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:02,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:02,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:02,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:02,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:02,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:02,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:02,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:03,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:03,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:03,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:03,018 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:03,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:03,018 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:03,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:03,018 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:03,019 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:03,019 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:03,020 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:03,020 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:03,021 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:03,021 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:03,021 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:03,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:03,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:03,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:03,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:03,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:03,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:03,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:03,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:03,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:03,024 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:03,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:03,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:03,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:03,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:03,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:03,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:03,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:03,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:03,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:03,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:03,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:03,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:03,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:03,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:03,029 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2021-10-11 02:28:03,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:03,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:03,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:03,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:03,362 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:03,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-10-11 02:28:03,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/6786651f5/d05d7eb44a374d43bb881f15247261bb/FLAG3624805ac [2021-10-11 02:28:04,179 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:04,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-10-11 02:28:04,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/6786651f5/d05d7eb44a374d43bb881f15247261bb/FLAG3624805ac [2021-10-11 02:28:04,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/6786651f5/d05d7eb44a374d43bb881f15247261bb [2021-10-11 02:28:04,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:04,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:04,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:04,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:04,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:04,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:04" (1/1) ... [2021-10-11 02:28:04,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65691a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:04, skipping insertion in model container [2021-10-11 02:28:04,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:04" (1/1) ... [2021-10-11 02:28:04,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:04,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:04,817 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-10-11 02:28:04,823 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-10-11 02:28:04,825 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-10-11 02:28:04,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:04,842 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) [2021-10-11 02:28:04,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@639884a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:04, skipping insertion in model container [2021-10-11 02:28:04,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:04,844 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:04,847 INFO L168 Benchmark]: Toolchain (without parser) took 433.02 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 40.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:04,848 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:04,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.93 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 40.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:04,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.93 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 40.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 638]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:07,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:07,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:07,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:07,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:07,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:07,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:07,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:07,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:07,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:07,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:07,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:07,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:07,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:07,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:07,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:07,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:07,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:07,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:07,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:07,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:07,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:07,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:07,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:07,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:07,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:07,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:07,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:07,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:07,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:07,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:07,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:07,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:07,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:07,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:07,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:07,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:07,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:07,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:07,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:07,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:07,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:07,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:07,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:07,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:07,420 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:07,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:07,421 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:07,421 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:07,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:07,421 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:07,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:07,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:07,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:07,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:07,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:07,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:07,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:07,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:07,424 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:07,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:07,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:07,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:07,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:07,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:07,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:07,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:07,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:07,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:07,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:07,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:07,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:07,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:07,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:07,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:07,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:07,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:07,429 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2021-10-11 02:28:07,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:07,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:07,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:07,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:07,867 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:07,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-10-11 02:28:07,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/1310fa5d2/ad9debe0102f4021909d4de8d138b50a/FLAG85eb803d6 [2021-10-11 02:28:08,652 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:08,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2021-10-11 02:28:08,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/1310fa5d2/ad9debe0102f4021909d4de8d138b50a/FLAG85eb803d6 [2021-10-11 02:28:08,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/data/1310fa5d2/ad9debe0102f4021909d4de8d138b50a [2021-10-11 02:28:08,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:08,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:08,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:08,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:08,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:08,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:08" (1/1) ... [2021-10-11 02:28:08,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:08, skipping insertion in model container [2021-10-11 02:28:08,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:08" (1/1) ... [2021-10-11 02:28:08,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:09,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:09,466 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-10-11 02:28:09,471 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-10-11 02:28:09,483 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-10-11 02:28:09,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,502 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:09,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:09,562 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-10-11 02:28:09,563 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-10-11 02:28:09,564 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-10-11 02:28:09,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,569 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:09,620 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2021-10-11 02:28:09,622 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2021-10-11 02:28:09,623 WARN L226 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_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2021-10-11 02:28:09,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,719 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:09,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09 WrapperNode [2021-10-11 02:28:09,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:09,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:09,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:09,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:09,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:09,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:09,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:09,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:09,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:09,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:09,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:09,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:09,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:28:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 02:28:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:28:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:28:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:11,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:11,539 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-10-11 02:28:11,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:11 BoogieIcfgContainer [2021-10-11 02:28:11,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:11,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:11,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:11,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:11,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:08" (1/3) ... [2021-10-11 02:28:11,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5029e626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:11, skipping insertion in model container [2021-10-11 02:28:11,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (2/3) ... [2021-10-11 02:28:11,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5029e626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:11, skipping insertion in model container [2021-10-11 02:28:11,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:11" (3/3) ... [2021-10-11 02:28:11,556 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2021-10-11 02:28:11,572 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:11,577 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2021-10-11 02:28:11,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-11 02:28:11,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:11,619 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:11,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:11,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:11,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:11,620 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:11,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:11,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2021-10-11 02:28:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:28:11,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:11,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:11,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash 912087840, now seen corresponding path program 1 times [2021-10-11 02:28:11,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:11,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12671567] [2021-10-11 02:28:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:11,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:12,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:12,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12671567] [2021-10-11 02:28:12,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:12,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:12,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63771407] [2021-10-11 02:28:12,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:12,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:12,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:12,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:12,137 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 2 states. [2021-10-11 02:28:12,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:12,189 INFO L93 Difference]: Finished difference Result 172 states and 239 transitions. [2021-10-11 02:28:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:12,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2021-10-11 02:28:12,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:12,227 INFO L225 Difference]: With dead ends: 172 [2021-10-11 02:28:12,228 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 02:28:12,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:12,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 02:28:12,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-11 02:28:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:28:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2021-10-11 02:28:12,275 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 101 transitions. Word has length 14 [2021-10-11 02:28:12,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:12,275 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 101 transitions. [2021-10-11 02:28:12,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-10-11 02:28:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:28:12,277 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:12,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:12,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:12,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:12,482 INFO L82 PathProgramCache]: Analyzing trace with hash 793647061, now seen corresponding path program 1 times [2021-10-11 02:28:12,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:12,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169322590] [2021-10-11 02:28:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:12,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:28:12,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:12,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:12,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169322590] [2021-10-11 02:28:12,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:12,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:12,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999032456] [2021-10-11 02:28:12,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:12,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:12,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:12,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:12,735 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. Second operand 4 states. [2021-10-11 02:28:12,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:12,970 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2021-10-11 02:28:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:12,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-10-11 02:28:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:12,976 INFO L225 Difference]: With dead ends: 135 [2021-10-11 02:28:12,976 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:28:12,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:28:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 88. [2021-10-11 02:28:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-10-11 02:28:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 105 transitions. [2021-10-11 02:28:13,002 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 105 transitions. Word has length 14 [2021-10-11 02:28:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:13,003 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 105 transitions. [2021-10-11 02:28:13,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-10-11 02:28:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:28:13,005 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:13,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:13,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:13,222 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:13,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:13,223 INFO L82 PathProgramCache]: Analyzing trace with hash 795255775, now seen corresponding path program 1 times [2021-10-11 02:28:13,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:13,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932287380] [2021-10-11 02:28:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:13,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-11 02:28:13,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:13,546 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-10-11 02:28:13,549 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:28:13,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:28:13,583 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:28:13,584 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-10-11 02:28:13,586 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:28:13,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:28:13,606 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:28:13,606 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:12 [2021-10-11 02:28:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:13,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:13,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932287380] [2021-10-11 02:28:13,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:13,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:13,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48808550] [2021-10-11 02:28:13,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:13,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:13,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:13,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:13,661 INFO L87 Difference]: Start difference. First operand 88 states and 105 transitions. Second operand 4 states. [2021-10-11 02:28:15,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:15,665 INFO L93 Difference]: Finished difference Result 219 states and 262 transitions. [2021-10-11 02:28:15,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:15,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-10-11 02:28:15,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:15,669 INFO L225 Difference]: With dead ends: 219 [2021-10-11 02:28:15,669 INFO L226 Difference]: Without dead ends: 140 [2021-10-11 02:28:15,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-11 02:28:15,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 101. [2021-10-11 02:28:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 02:28:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2021-10-11 02:28:15,684 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 14 [2021-10-11 02:28:15,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:15,685 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2021-10-11 02:28:15,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2021-10-11 02:28:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:28:15,686 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:15,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:15,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:15,900 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1115638045, now seen corresponding path program 1 times [2021-10-11 02:28:15,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:15,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594660728] [2021-10-11 02:28:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:16,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:16,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:16,495 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:28:16,495 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:16,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:16,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:16 BoogieIcfgContainer [2021-10-11 02:28:16,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:16,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:16,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:16,804 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:16,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:11" (3/4) ... [2021-10-11 02:28:16,819 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:16,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e105617f-2acc-4bc8-96a8-eb6e01f0bdd9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:16,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:16,918 INFO L168 Benchmark]: Toolchain (without parser) took 7986.69 ms. Allocated memory was 65.0 MB in the beginning and 115.3 MB in the end (delta: 50.3 MB). Free memory was 44.3 MB in the beginning and 90.2 MB in the end (delta: -45.9 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,918 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:16,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.61 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 44.0 MB in the beginning and 68.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.44 ms. Allocated memory is still 88.1 MB. Free memory was 68.3 MB in the beginning and 64.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,920 INFO L168 Benchmark]: Boogie Preprocessor took 125.25 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 61.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,921 INFO L168 Benchmark]: RCFGBuilder took 1615.79 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 63.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,921 INFO L168 Benchmark]: TraceAbstraction took 5255.52 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 63.4 MB in the beginning and 48.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,922 INFO L168 Benchmark]: Witness Printer took 112.67 ms. Allocated memory is still 115.3 MB. Free memory was 48.7 MB in the beginning and 90.2 MB in the end (delta: -41.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:16,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 787.61 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 44.0 MB in the beginning and 68.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.44 ms. Allocated memory is still 88.1 MB. Free memory was 68.3 MB in the beginning and 64.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.25 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 61.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1615.79 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 63.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5255.52 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 63.4 MB in the beginning and 48.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 112.67 ms. Allocated memory is still 115.3 MB. Free memory was 48.7 MB in the beginning and 90.2 MB in the end (delta: -41.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 669]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; VAL [mutexes={2147483647:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND FALSE !(&m->list != (s)) VAL [mutexes={2147483647:0}] [L660] return 0; VAL [mutexes={2147483647:0}] [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND FALSE !(&m->list != (s)) VAL [mutexes={2147483647:0}] [L660] return 0; VAL [mutexes={2147483647:0}] [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) VAL [mutexes={2147483647:0}] [L578] return ptr; VAL [mutexes={2147483647:0}] [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L608] head->next [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new VAL [mutexes={2147483647:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={2147483647:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [mutexes={2147483647:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [mutexes={2147483647:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] reach_error() VAL [mutexes={2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 88 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 266 SDtfs, 165 SDslu, 281 SDs, 0 SdLazy, 105 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 82 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 2470 SizeOfPredicates, 13 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...