./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF --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 cee8df08ffad3eb9e493a0be0076215dd3a59bce6d2370397b3bb712a7fad867 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:52:39,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:52:39,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:52:39,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:52:39,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:52:39,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:52:39,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:52:39,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:52:39,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:52:39,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:52:39,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:52:39,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:52:39,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:52:39,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:52:39,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:52:39,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:52:39,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:52:39,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:52:39,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:52:39,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:52:39,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:52:39,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:52:39,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:52:39,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:52:39,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:52:39,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:52:39,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:52:39,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:52:39,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:52:39,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:52:39,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:52:39,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:52:39,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:52:39,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:52:39,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:52:39,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:52:39,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:52:39,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:52:39,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:52:39,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:52:39,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:52:39,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:52:39,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:52:39,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:52:39,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:52:39,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:52:39,647 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:52:39,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:52:39,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:52:39,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:52:39,654 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:52:39,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:52:39,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:52:39,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:52:39,656 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:52:39,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:52:39,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:52:39,657 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:52:39,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:52:39,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:52:39,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:52:39,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:52:39,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:52:39,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:52:39,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:52:39,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:52:39,660 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:52:39,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:52:39,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:52:39,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:52:39,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:52:39,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:52:39,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:52:39,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:52:39,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:52:39,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:52:39,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:52:39,663 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:52:39,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:52:39,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:52:39,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:52:39,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:52:39,664 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cee8df08ffad3eb9e493a0be0076215dd3a59bce6d2370397b3bb712a7fad867 [2021-11-12 23:52:39,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:52:39,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:52:39,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:52:39,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:52:39,965 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:52:39,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-sets/test_mutex.i [2021-11-12 23:52:40,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/2ea0a67d2/f44e904a497144b7939f950cafc58919/FLAGa926b27b5 [2021-11-12 23:52:40,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:52:40,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i [2021-11-12 23:52:40,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/2ea0a67d2/f44e904a497144b7939f950cafc58919/FLAGa926b27b5 [2021-11-12 23:52:40,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/2ea0a67d2/f44e904a497144b7939f950cafc58919 [2021-11-12 23:52:40,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:52:40,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:52:40,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:40,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:52:40,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:52:40,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:40" (1/1) ... [2021-11-12 23:52:40,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8ac1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:40, skipping insertion in model container [2021-11-12 23:52:40,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:40" (1/1) ... [2021-11-12 23:52:40,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:52:40,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:52:41,300 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25842,25855] [2021-11-12 23:52:41,305 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25967,25980] [2021-11-12 23:52:41,306 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[26082,26095] [2021-11-12 23:52:41,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:41,320 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 23:52:41,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@670ff95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:41, skipping insertion in model container [2021-11-12 23:52:41,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:41,321 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:52:41,323 INFO L158 Benchmark]: Toolchain (without parser) took 418.30ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 62.5MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:52:41,324 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:52:41,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.42ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 62.9MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:52:41,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.42ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 62.9MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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... --- 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF --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 cee8df08ffad3eb9e493a0be0076215dd3a59bce6d2370397b3bb712a7fad867 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:52:43,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:52:43,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:52:43,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:52:43,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:52:43,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:52:43,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:52:43,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:52:43,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:52:43,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:52:43,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:52:43,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:52:43,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:52:43,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:52:43,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:52:43,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:52:43,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:52:43,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:52:43,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:52:43,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:52:43,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:52:43,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:52:43,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:52:43,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:52:43,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:52:43,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:52:43,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:52:43,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:52:43,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:52:43,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:52:43,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:52:43,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:52:43,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:52:43,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:52:43,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:52:43,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:52:43,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:52:43,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:52:43,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:52:43,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:52:43,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:52:43,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:52:43,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:52:43,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:52:43,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:52:43,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:52:43,655 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:52:43,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:52:43,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:52:43,657 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:52:43,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:52:43,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:52:43,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:52:43,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:52:43,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:52:43,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:52:43,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:52:43,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:52:43,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:52:43,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:52:43,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:52:43,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:52:43,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:52:43,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:52:43,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:52:43,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:52:43,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:52:43,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:52:43,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:52:43,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:52:43,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:52:43,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:52:43,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:52:43,666 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:52:43,666 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:52:43,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:52:43,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:52:43,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:52:43,668 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cee8df08ffad3eb9e493a0be0076215dd3a59bce6d2370397b3bb712a7fad867 [2021-11-12 23:52:44,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:52:44,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:52:44,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:52:44,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:52:44,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:52:44,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-sets/test_mutex.i [2021-11-12 23:52:44,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/0b3a214a4/ed1a1f6befc84130b3be87bab31dd2e6/FLAG35ea0d57b [2021-11-12 23:52:44,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:52:44,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i [2021-11-12 23:52:44,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/0b3a214a4/ed1a1f6befc84130b3be87bab31dd2e6/FLAG35ea0d57b [2021-11-12 23:52:45,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/data/0b3a214a4/ed1a1f6befc84130b3be87bab31dd2e6 [2021-11-12 23:52:45,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:52:45,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:52:45,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:45,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:52:45,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:52:45,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed42158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45, skipping insertion in model container [2021-11-12 23:52:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:52:45,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:52:45,528 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25842,25855] [2021-11-12 23:52:45,536 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25967,25980] [2021-11-12 23:52:45,539 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[26082,26095] [2021-11-12 23:52:45,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:45,569 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:52:45,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:52:45,622 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25842,25855] [2021-11-12 23:52:45,623 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25967,25980] [2021-11-12 23:52:45,624 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[26082,26095] [2021-11-12 23:52:45,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:45,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:52:45,706 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25842,25855] [2021-11-12 23:52:45,707 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[25967,25980] [2021-11-12 23:52:45,708 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_f8ffd37b-8211-436d-88ba-d1ecad3144ac/sv-benchmarks/c/ldv-sets/test_mutex.i[26082,26095] [2021-11-12 23:52:45,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:45,750 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:52:45,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45 WrapperNode [2021-11-12 23:52:45,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:45,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:52:45,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:52:45,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:52:45,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:52:45,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:52:45,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:52:45,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:52:45,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:52:45,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:52:45,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:52:45,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:52:45,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (1/1) ... [2021-11-12 23:52:45,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:52:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:52:45,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:52:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:52:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-12 23:52:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-12 23:52:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:52:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-12 23:52:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-12 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-11-12 23:52:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-11-12 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-11-12 23:52:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-11-12 23:52:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:52:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:52:46,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:52:46,543 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:52:46,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:52:46 BoogieIcfgContainer [2021-11-12 23:52:46,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:52:46,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:52:46,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:52:46,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:52:46,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:52:45" (1/3) ... [2021-11-12 23:52:46,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290330f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:52:46, skipping insertion in model container [2021-11-12 23:52:46,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:45" (2/3) ... [2021-11-12 23:52:46,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290330f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:52:46, skipping insertion in model container [2021-11-12 23:52:46,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:52:46" (3/3) ... [2021-11-12 23:52:46,552 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2021-11-12 23:52:46,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:52:46,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:52:46,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:52:46,646 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 23:52:46,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:52:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-12 23:52:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-12 23:52:46,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:46,675 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:46,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash 673246785, now seen corresponding path program 1 times [2021-11-12 23:52:46,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:46,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016675299] [2021-11-12 23:52:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:46,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:46,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:46,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:46,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:52:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:46,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:52:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:52:47,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:52:47,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:47,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016675299] [2021-11-12 23:52:47,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016675299] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:47,163 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:47,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:52:47,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426926729] [2021-11-12 23:52:47,165 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:47,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:52:47,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:52:47,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:52:47,198 INFO L87 Difference]: Start difference. First operand has 67 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:52:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:47,226 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2021-11-12 23:52:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:52:47,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2021-11-12 23:52:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:47,236 INFO L225 Difference]: With dead ends: 130 [2021-11-12 23:52:47,236 INFO L226 Difference]: Without dead ends: 62 [2021-11-12 23:52:47,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:52:47,253 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:47,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:52:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-12 23:52:47,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-12 23:52:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-12 23:52:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2021-11-12 23:52:47,314 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 27 [2021-11-12 23:52:47,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:47,315 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2021-11-12 23:52:47,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:52:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2021-11-12 23:52:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-12 23:52:47,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:47,317 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:47,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:52:47,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:47,530 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:47,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash -387762175, now seen corresponding path program 1 times [2021-11-12 23:52:47,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:47,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485170635] [2021-11-12 23:52:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:47,533 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:47,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:47,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:47,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:52:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:47,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:52:47,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:52:48,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:52:48,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:48,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485170635] [2021-11-12 23:52:48,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485170635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:48,902 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:48,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2021-11-12 23:52:48,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880475565] [2021-11-12 23:52:48,907 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:48,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:52:48,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:48,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:52:48,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:52:48,914 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-12 23:52:49,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:49,943 INFO L93 Difference]: Finished difference Result 195 states and 243 transitions. [2021-11-12 23:52:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:52:49,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2021-11-12 23:52:49,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:49,949 INFO L225 Difference]: With dead ends: 195 [2021-11-12 23:52:49,949 INFO L226 Difference]: Without dead ends: 141 [2021-11-12 23:52:49,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:52:49,952 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 103 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 794.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.57ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 922.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:49,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 292 Invalid, 207 Unknown, 0 Unchecked, 11.57ms Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 922.85ms Time] [2021-11-12 23:52:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-12 23:52:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 120. [2021-11-12 23:52:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.2470588235294118) internal successors, (106), 90 states have internal predecessors, (106), 19 states have call successors, (19), 9 states have call predecessors, (19), 13 states have return successors, (31), 20 states have call predecessors, (31), 19 states have call successors, (31) [2021-11-12 23:52:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 156 transitions. [2021-11-12 23:52:49,980 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 156 transitions. Word has length 27 [2021-11-12 23:52:49,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:49,981 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 156 transitions. [2021-11-12 23:52:49,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-12 23:52:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 156 transitions. [2021-11-12 23:52:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-12 23:52:49,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:49,982 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:50,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:50,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:50,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:50,196 INFO L85 PathProgramCache]: Analyzing trace with hash -438555830, now seen corresponding path program 1 times [2021-11-12 23:52:50,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:50,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014753802] [2021-11-12 23:52:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:50,197 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:50,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:50,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:50,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:52:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:50,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:52:50,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:52:50,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:52:50,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:50,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014753802] [2021-11-12 23:52:50,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014753802] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:50,445 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:50,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-12 23:52:50,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012167665] [2021-11-12 23:52:50,446 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:50,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:52:50,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:50,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:52:50,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:52:50,449 INFO L87 Difference]: Start difference. First operand 120 states and 156 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-12 23:52:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:50,474 INFO L93 Difference]: Finished difference Result 127 states and 166 transitions. [2021-11-12 23:52:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:52:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-11-12 23:52:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:50,485 INFO L225 Difference]: With dead ends: 127 [2021-11-12 23:52:50,485 INFO L226 Difference]: Without dead ends: 125 [2021-11-12 23:52:50,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:52:50,490 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:50,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 5 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 4.77ms Time] [2021-11-12 23:52:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-12 23:52:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2021-11-12 23:52:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 92 states have internal predecessors, (106), 19 states have call successors, (19), 9 states have call predecessors, (19), 14 states have return successors, (35), 21 states have call predecessors, (35), 19 states have call successors, (35) [2021-11-12 23:52:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 160 transitions. [2021-11-12 23:52:50,514 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 160 transitions. Word has length 27 [2021-11-12 23:52:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:50,514 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 160 transitions. [2021-11-12 23:52:50,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-12 23:52:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2021-11-12 23:52:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-12 23:52:50,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:50,518 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:50,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:50,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:50,731 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:50,732 INFO L85 PathProgramCache]: Analyzing trace with hash -811626959, now seen corresponding path program 1 times [2021-11-12 23:52:50,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:50,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822309082] [2021-11-12 23:52:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:50,733 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:50,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:50,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:50,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:52:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:50,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-12 23:52:50,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:51,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-12 23:52:51,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-12 23:52:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-12 23:52:51,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:52,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-12 23:52:52,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-12 23:52:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:52:52,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:52,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822309082] [2021-11-12 23:52:52,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822309082] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:52:52,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:52:52,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2021-11-12 23:52:52,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261478786] [2021-11-12 23:52:52,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:52,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:52:52,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:52,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:52:52,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:52:52,876 INFO L87 Difference]: Start difference. First operand 123 states and 160 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-11-12 23:52:54,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:54,960 INFO L93 Difference]: Finished difference Result 291 states and 374 transitions. [2021-11-12 23:52:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 23:52:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 67 [2021-11-12 23:52:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:54,964 INFO L225 Difference]: With dead ends: 291 [2021-11-12 23:52:54,964 INFO L226 Difference]: Without dead ends: 166 [2021-11-12 23:52:54,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2021-11-12 23:52:54,967 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 249 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1386.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.75ms SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1551.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:54,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 311 Invalid, 465 Unknown, 0 Unchecked, 8.75ms Time], IncrementalHoareTripleChecker [79 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 1551.76ms Time] [2021-11-12 23:52:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-12 23:52:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 122. [2021-11-12 23:52:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 86 states have (on average 1.186046511627907) internal successors, (102), 92 states have internal predecessors, (102), 19 states have call successors, (19), 10 states have call predecessors, (19), 14 states have return successors, (32), 19 states have call predecessors, (32), 19 states have call successors, (32) [2021-11-12 23:52:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 153 transitions. [2021-11-12 23:52:54,988 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 153 transitions. Word has length 67 [2021-11-12 23:52:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:54,989 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 153 transitions. [2021-11-12 23:52:54,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-11-12 23:52:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions. [2021-11-12 23:52:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-12 23:52:54,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:54,992 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:55,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:55,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:55,206 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1108503363, now seen corresponding path program 1 times [2021-11-12 23:52:55,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:55,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480808954] [2021-11-12 23:52:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:55,208 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:55,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:55,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:55,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:52:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:55,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:52:55,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-12 23:52:55,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-12 23:52:55,663 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:55,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480808954] [2021-11-12 23:52:55,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480808954] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:52:55,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:52:55,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2021-11-12 23:52:55,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968307828] [2021-11-12 23:52:55,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:55,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:52:55,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:55,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:52:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:52:55,665 INFO L87 Difference]: Start difference. First operand 122 states and 153 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-12 23:52:55,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:55,684 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2021-11-12 23:52:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:52:55,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2021-11-12 23:52:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:55,686 INFO L225 Difference]: With dead ends: 196 [2021-11-12 23:52:55,686 INFO L226 Difference]: Without dead ends: 109 [2021-11-12 23:52:55,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:52:55,688 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:55,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 6 Unknown, 0 Unchecked, 1.15ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 7.29ms Time] [2021-11-12 23:52:55,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-12 23:52:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2021-11-12 23:52:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 77 states have internal predecessors, (83), 15 states have call successors, (15), 9 states have call predecessors, (15), 12 states have return successors, (23), 16 states have call predecessors, (23), 15 states have call successors, (23) [2021-11-12 23:52:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2021-11-12 23:52:55,704 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 67 [2021-11-12 23:52:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:55,704 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2021-11-12 23:52:55,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-12 23:52:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2021-11-12 23:52:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-12 23:52:55,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:55,707 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2021-11-12 23:52:55,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:55,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:55,922 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1210243856, now seen corresponding path program 1 times [2021-11-12 23:52:55,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:55,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403794694] [2021-11-12 23:52:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:55,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:55,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:55,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:52:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:56,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-12 23:52:56,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:56,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:52:56,498 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:52:56,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 39 [2021-11-12 23:52:56,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-12 23:52:58,043 INFO L354 Elim1Store]: treesize reduction 166, result has 26.9 percent of original size [2021-11-12 23:52:58,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 145 [2021-11-12 23:53:04,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:53:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:04,838 INFO L354 Elim1Store]: treesize reduction 590, result has 8.8 percent of original size [2021-11-12 23:53:04,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 622 treesize of output 315 [2021-11-12 23:53:04,887 INFO L354 Elim1Store]: treesize reduction 28, result has 50.9 percent of original size [2021-11-12 23:53:04,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 471 treesize of output 477 [2021-11-12 23:53:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:05,100 INFO L354 Elim1Store]: treesize reduction 126, result has 0.8 percent of original size [2021-11-12 23:53:05,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 47 [2021-11-12 23:53:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:05,341 INFO L354 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2021-11-12 23:53:05,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 228 treesize of output 144 [2021-11-12 23:53:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:53:23,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:38,063 WARN L838 $PredicateComparison]: unable to prove that (forall ((v___ldv_list_add_~next.offset_7 (_ BitVec 32)) (|v_mutex_lock_ldv_list_add_~new#1.base_8| (_ BitVec 32))) (or (not (= (select (select (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32) |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse2 (select (select .cse3 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse1 (store .cse3 .cse2 (store (select .cse3 .cse2) (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_7) |v_mutex_lock_ldv_list_add_~new#1.base_8|)))) (store .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (store (select .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv4 32) .cse2) (_ bv8 32) |c_~#mutexes~0.base|))))))) (store .cse0 |c_~#mutexes~0.base| (store (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_8|))) |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32)) |c_ULTIMATE.start_foo_~m2~0#1.base|)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |v_mutex_lock_ldv_list_add_~new#1.base_8|))))))))) is different from false [2021-11-12 23:53:40,196 WARN L860 $PredicateComparison]: unable to prove that (exists ((v___ldv_list_add_~next.offset_7 (_ BitVec 32)) (|v_mutex_lock_ldv_list_add_~new#1.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_mutex_lock_ldv_list_add_~new#1.base_8|)))))) (= (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) (bvadd (_ bv4294967292 32) (select (select |c_#memory_$Pointer$.offset| |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (select (select (let ((.cse0 (let ((.cse3 (store |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (select |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32) |c_mutex_lock_#in~m#1.base|)))) (let ((.cse2 (select (select .cse3 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse1 (store .cse3 .cse2 (store (select .cse3 .cse2) (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_7) |v_mutex_lock_ldv_list_add_~new#1.base_8|)))) (store .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (store (select .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv4 32) .cse2) (_ bv8 32) |c_~#mutexes~0.base|))))))) (store .cse0 |c_~#mutexes~0.base| (store (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_8|))) |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32))))) is different from true [2021-11-12 23:53:45,916 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#memory_$Pointer$.offset_69| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (v___ldv_list_add_~next.offset_10 (_ BitVec 32))) (exists ((v___ldv_list_add_~next.offset_7 (_ BitVec 32)) (|v_mutex_lock_ldv_list_add_~new#1.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_mutex_lock_ldv_list_add_~new#1.base_8|)))))) (= (select (select (let ((.cse0 (let ((.cse3 (store |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (select |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32) |c_mutex_lock_#in~m#1.base|)))) (let ((.cse2 (select (select .cse3 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse1 (store .cse3 .cse2 (store (select .cse3 .cse2) (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_7) |v_mutex_lock_ldv_list_add_~new#1.base_8|)))) (store .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8| (store (store (select .cse1 |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv4 32) .cse2) (_ bv8 32) |c_~#mutexes~0.base|))))))) (store .cse0 |c_~#mutexes~0.base| (store (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_8|))) |v_mutex_lock_ldv_list_add_~new#1.base_8|) (_ bv0 32)) (let ((.cse7 (bvadd (_ bv4 32) |c_mutex_lock_ldv_list_add_~new#1.offset|)) (.cse8 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_10))) (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_list_add_#t~mem8#1.base| (store (select |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse8 |c_mutex_lock_ldv_list_add_~new#1.base|)))) (store .cse6 |c_mutex_lock_ldv_list_add_~new#1.base| (store (store (select .cse6 |c_mutex_lock_ldv_list_add_~new#1.base|) |c_mutex_lock_ldv_list_add_~new#1.offset| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse7 |c_mutex_lock_ldv_list_add_~head#1.base|))))) (store .cse5 |c_mutex_lock_ldv_list_add_~head#1.base| (store (select .cse5 |c_mutex_lock_ldv_list_add_~head#1.base|) |c_mutex_lock_ldv_list_add_~head#1.offset| |c_mutex_lock_ldv_list_add_~new#1.base|))))) (select .cse4 (select (select .cse4 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (bvadd (_ bv4294967292 32) (select (select (let ((.cse9 (let ((.cse10 (store |v_#memory_$Pointer$.offset_69| |c_mutex_lock_ldv_list_add_#t~mem8#1.base| (store (select |v_#memory_$Pointer$.offset_69| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse8 |c_mutex_lock_ldv_list_add_~new#1.offset|)))) (store .cse10 |c_mutex_lock_ldv_list_add_~new#1.base| (store (store (select .cse10 |c_mutex_lock_ldv_list_add_~new#1.base|) |c_mutex_lock_ldv_list_add_~new#1.offset| v___ldv_list_add_~next.offset_10) .cse7 |c_mutex_lock_ldv_list_add_~head#1.offset|))))) (store .cse9 |c_mutex_lock_ldv_list_add_~head#1.base| (store (select .cse9 |c_mutex_lock_ldv_list_add_~head#1.base|) |c_mutex_lock_ldv_list_add_~head#1.offset| |c_mutex_lock_ldv_list_add_~new#1.offset|))) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))))))) is different from false [2021-11-12 23:53:48,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1326 treesize of output 1302 [2021-11-12 23:53:48,854 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:48,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1302 treesize of output 1306 [2021-11-12 23:53:54,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58105 treesize of output 58025 [2021-11-12 23:53:54,623 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:53:54,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403794694] [2021-11-12 23:53:54,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-12 23:53:54,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [124169925] [2021-11-12 23:53:54,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:54,625 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:53:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:53:54,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:53:54,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ffd37b-8211-436d-88ba-d1ecad3144ac/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:53:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:54,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-12 23:53:54,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:55,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:53:59,231 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:53:59,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 19 treesize of output 19 [2021-11-12 23:54:00,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-12 23:54:07,257 INFO L354 Elim1Store]: treesize reduction 166, result has 26.9 percent of original size [2021-11-12 23:54:07,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 145 [2021-11-12 23:54:22,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:54:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,015 INFO L354 Elim1Store]: treesize reduction 578, result has 10.7 percent of original size [2021-11-12 23:54:23,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 589 treesize of output 294 [2021-11-12 23:54:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,374 INFO L354 Elim1Store]: treesize reduction 98, result has 22.8 percent of original size [2021-11-12 23:54:23,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 302 treesize of output 206 [2021-11-12 23:54:23,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:54:23,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 174 [2021-11-12 23:54:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:54:45,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:55:19,537 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#memory_$Pointer$.offset_91| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (v___ldv_list_add_~next.offset_19 (_ BitVec 32))) (exists ((v___ldv_list_add_~next.offset_16 (_ BitVec 32)) (|v_mutex_lock_ldv_list_add_~new#1.base_13| (_ BitVec 32))) (and (bvult |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_#StackHeapBarrier|) (= (let ((.cse3 (bvadd (_ bv4 32) |c_mutex_lock_ldv_list_add_~new#1.offset|)) (.cse4 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_19))) (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_list_add_#t~mem8#1.base| (store (select |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse4 |c_mutex_lock_ldv_list_add_~new#1.base|)))) (store .cse2 |c_mutex_lock_ldv_list_add_~new#1.base| (store (store (select .cse2 |c_mutex_lock_ldv_list_add_~new#1.base|) |c_mutex_lock_ldv_list_add_~new#1.offset| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse3 |c_mutex_lock_ldv_list_add_~head#1.base|))))) (store .cse1 |c_mutex_lock_ldv_list_add_~head#1.base| (store (select .cse1 |c_mutex_lock_ldv_list_add_~head#1.base|) |c_mutex_lock_ldv_list_add_~head#1.offset| |c_mutex_lock_ldv_list_add_~new#1.base|))))) (select .cse0 (select (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (bvadd (_ bv4294967292 32) (select (select (let ((.cse5 (let ((.cse6 (store |v_#memory_$Pointer$.offset_91| |c_mutex_lock_ldv_list_add_#t~mem8#1.base| (store (select |v_#memory_$Pointer$.offset_91| |c_mutex_lock_ldv_list_add_#t~mem8#1.base|) .cse4 |c_mutex_lock_ldv_list_add_~new#1.offset|)))) (store .cse6 |c_mutex_lock_ldv_list_add_~new#1.base| (store (store (select .cse6 |c_mutex_lock_ldv_list_add_~new#1.base|) |c_mutex_lock_ldv_list_add_~new#1.offset| v___ldv_list_add_~next.offset_19) .cse3 |c_mutex_lock_ldv_list_add_~head#1.offset|))))) (store .cse5 |c_mutex_lock_ldv_list_add_~head#1.base| (store (select .cse5 |c_mutex_lock_ldv_list_add_~head#1.base|) |c_mutex_lock_ldv_list_add_~head#1.offset| |c_mutex_lock_ldv_list_add_~new#1.offset|))) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))) (select (select (let ((.cse7 (let ((.cse10 (store |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_13| (store (select |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv0 32) |c_mutex_lock_#in~m#1.base|)))) (let ((.cse9 (select (select .cse10 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse8 (store .cse10 .cse9 (store (select .cse10 .cse9) (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_16) |v_mutex_lock_ldv_list_add_~new#1.base_13|)))) (store .cse8 |v_mutex_lock_ldv_list_add_~new#1.base_13| (store (store (select .cse8 |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv4 32) .cse9) (_ bv8 32) |c_~#mutexes~0.base|))))))) (store .cse7 |c_~#mutexes~0.base| (store (select .cse7 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_13|))) |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv0 32)))))) is different from false [2021-11-12 23:55:20,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1365 treesize of output 1333 [2021-11-12 23:55:35,673 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_38 (_ BitVec 32)) (|v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| (_ BitVec 32))) (or (exists ((|v_#memory_$Pointer$.offset_91| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (v___ldv_list_add_~next.offset_19 (_ BitVec 32))) (forall ((|v_mutex_lock_ldv_list_add_~new#1.base_13| (_ BitVec 32))) (or (let ((.cse0 (let ((.cse7 (bvadd |c___ldv_list_add_#in~new.offset| (_ bv4 32))) (.cse8 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_19))) (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_old(#memory_$Pointer$.base)| |c___ldv_list_add_#in~next.base| (store (select |c_old(#memory_$Pointer$.base)| |c___ldv_list_add_#in~next.base|) .cse8 |c___ldv_list_add_#in~new.base|)))) (store .cse6 |c___ldv_list_add_#in~new.base| (store (store (select .cse6 |c___ldv_list_add_#in~new.base|) |c___ldv_list_add_#in~new.offset| |c___ldv_list_add_#in~next.base|) .cse7 |c___ldv_list_add_#in~prev.base|))))) (store .cse5 |c___ldv_list_add_#in~prev.base| (store (select .cse5 |c___ldv_list_add_#in~prev.base|) |c___ldv_list_add_#in~prev.offset| |c___ldv_list_add_#in~new.base|))))) (select .cse4 (select (select .cse4 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (bvadd (_ bv4294967292 32) (select (select (let ((.cse9 (let ((.cse10 (store |v_#memory_$Pointer$.offset_91| |c___ldv_list_add_#in~next.base| (store (select |v_#memory_$Pointer$.offset_91| |c___ldv_list_add_#in~next.base|) .cse8 |c___ldv_list_add_#in~new.offset|)))) (store .cse10 |c___ldv_list_add_#in~new.base| (store (store (select .cse10 |c___ldv_list_add_#in~new.base|) |c___ldv_list_add_#in~new.offset| v___ldv_list_add_~next.offset_19) .cse7 |c___ldv_list_add_#in~prev.offset|))))) (store .cse9 |c___ldv_list_add_#in~prev.base| (store (select .cse9 |c___ldv_list_add_#in~prev.base|) |c___ldv_list_add_#in~prev.offset| |c___ldv_list_add_#in~new.offset|))) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))))) (let ((.cse2 (= |c_~#mutexes~0.offset| (_ bv0 32))) (.cse3 (= |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_~#mutexes~0.base|)) (.cse1 (not (= .cse0 |v_mutex_lock_ldv_list_add_~new#1.base_13|)))) (and (or (and (not (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse0)) (or (not (= v_arrayElimCell_38 |v_mutex_lock_ldv_list_add_~new#1.base_13|)) .cse1)) (and .cse2 .cse3)) (or (not .cse2) (not .cse3) .cse1)))) (not (bvult |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_#StackHeapBarrier|))))) (exists ((v_prenex_4 (_ BitVec 32))) (and (bvult v_prenex_4 |c_#StackHeapBarrier|) (let ((.cse14 (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) (bvadd (_ bv4294967292 32) (select (select |c_#memory_$Pointer$.offset| |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))))) (let ((.cse11 (= |c_~#mutexes~0.offset| (_ bv0 32))) (.cse13 (= .cse14 v_prenex_4)) (.cse12 (= v_prenex_4 |c_~#mutexes~0.base|))) (or (and (or (not .cse11) (not .cse12)) (or (and (= v_arrayElimCell_38 v_prenex_4) .cse13) (= .cse14 |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10|))) (and .cse11 .cse13 .cse12)))))))) is different from true [2021-11-12 23:55:48,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 557965 treesize of output 557197 [2021-11-12 23:56:21,362 WARN L227 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-12 23:56:31,772 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-12 23:57:57,787 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_38 (_ BitVec 32)) (|v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| (_ BitVec 32)) (v___ldv_list_add_~next.offset_20 (_ BitVec 32)) (v_arrayElimCell_39 (_ BitVec 32))) (or (exists ((|v_#memory_$Pointer$.offset_91| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (v___ldv_list_add_~next.offset_19 (_ BitVec 32))) (forall ((|v_mutex_lock_ldv_list_add_~new#1.base_13| (_ BitVec 32))) (or (let ((.cse0 (let ((.cse7 (bvadd |c___ldv_list_add_#in~new.offset| (_ bv4 32))) (.cse8 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_19))) (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_old(#memory_$Pointer$.base)| |c___ldv_list_add_#in~next.base| (store (select |c_old(#memory_$Pointer$.base)| |c___ldv_list_add_#in~next.base|) .cse8 |c___ldv_list_add_#in~new.base|)))) (store .cse6 |c___ldv_list_add_#in~new.base| (store (store (select .cse6 |c___ldv_list_add_#in~new.base|) |c___ldv_list_add_#in~new.offset| |c___ldv_list_add_#in~next.base|) .cse7 |c___ldv_list_add_#in~prev.base|))))) (store .cse5 |c___ldv_list_add_#in~prev.base| (store (select .cse5 |c___ldv_list_add_#in~prev.base|) |c___ldv_list_add_#in~prev.offset| |c___ldv_list_add_#in~new.base|))))) (select .cse4 (select (select .cse4 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (bvadd (_ bv4294967292 32) (select (select (let ((.cse9 (let ((.cse10 (store |v_#memory_$Pointer$.offset_91| |c___ldv_list_add_#in~next.base| (store (select |v_#memory_$Pointer$.offset_91| |c___ldv_list_add_#in~next.base|) .cse8 |c___ldv_list_add_#in~new.offset|)))) (store .cse10 |c___ldv_list_add_#in~new.base| (store (store (select .cse10 |c___ldv_list_add_#in~new.base|) |c___ldv_list_add_#in~new.offset| v___ldv_list_add_~next.offset_19) .cse7 |c___ldv_list_add_#in~prev.offset|))))) (store .cse9 |c___ldv_list_add_#in~prev.base| (store (select .cse9 |c___ldv_list_add_#in~prev.base|) |c___ldv_list_add_#in~prev.offset| |c___ldv_list_add_#in~new.offset|))) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))))) (let ((.cse2 (= |c_~#mutexes~0.offset| (_ bv0 32))) (.cse3 (= |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_~#mutexes~0.base|)) (.cse1 (not (= .cse0 |v_mutex_lock_ldv_list_add_~new#1.base_13|)))) (and (or (and (not (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse0)) (or (not (= v_arrayElimCell_38 |v_mutex_lock_ldv_list_add_~new#1.base_13|)) .cse1)) (and .cse2 .cse3)) (or (not .cse2) (not .cse3) .cse1)))) (not (bvult |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_#StackHeapBarrier|))))) (exists ((v_prenex_4 (_ BitVec 32))) (and (bvult v_prenex_4 |c_#StackHeapBarrier|) (let ((.cse11 (= |c___ldv_list_add_#in~new.base| |c_~#mutexes~0.base|)) (.cse35 (bvadd |c___ldv_list_add_#in~new.offset| (_ bv4 32))) (.cse39 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_20))) (let ((.cse27 (= |c_~#mutexes~0.offset| |c___ldv_list_add_#in~prev.offset|)) (.cse26 (= |c___ldv_list_add_#in~prev.base| |c_~#mutexes~0.base|)) (.cse20 (= |c___ldv_list_add_#in~next.base| |c_~#mutexes~0.base|)) (.cse19 (= |c_~#mutexes~0.offset| .cse39)) (.cse33 (let ((.cse36 (let ((.cse37 (let ((.cse38 (store |c_#memory_$Pointer$.base| |c___ldv_list_add_#in~next.base| (store (select |c_#memory_$Pointer$.base| |c___ldv_list_add_#in~next.base|) .cse39 |c___ldv_list_add_#in~new.base|)))) (store .cse38 |c___ldv_list_add_#in~new.base| (store (store (select .cse38 |c___ldv_list_add_#in~new.base|) |c___ldv_list_add_#in~new.offset| |c___ldv_list_add_#in~next.base|) .cse35 |c___ldv_list_add_#in~prev.base|))))) (store .cse37 |c___ldv_list_add_#in~prev.base| (store (select .cse37 |c___ldv_list_add_#in~prev.base|) |c___ldv_list_add_#in~prev.offset| |c___ldv_list_add_#in~new.base|))))) (select .cse36 (select (select .cse36 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))) (.cse24 (= |c___ldv_list_add_#in~new.offset| |c_~#mutexes~0.offset|)) (.cse34 (not .cse11)) (.cse15 (= |c_~#mutexes~0.offset| .cse35))) (let ((.cse17 (or .cse34 (not .cse15))) (.cse18 (or .cse34 (not .cse24))) (.cse23 (select .cse33 (bvadd (_ bv4294967292 32) v_arrayElimCell_39))) (.cse22 (or (not .cse20) (not .cse19))) (.cse25 (select .cse33 (bvadd (_ bv4294967292 32) v___ldv_list_add_~next.offset_20))) (.cse12 (or (not .cse27) (not .cse26))) (.cse13 (select .cse33 (bvadd (_ bv4294967292 32) |c___ldv_list_add_#in~prev.offset|))) (.cse28 (select .cse33 (bvadd |c___ldv_list_add_#in~new.offset| (_ bv4294967292 32))))) (let ((.cse29 (= |c_~#mutexes~0.offset| (_ bv0 32))) (.cse16 (let ((.cse31 (= v_prenex_4 .cse28))) (let ((.cse32 (and .cse31 .cse26 .cse27))) (or (and .cse17 (or (and .cse12 (or (and .cse18 (or (and .cse31 .cse19 .cse20) (and (= .cse23 v_prenex_4) .cse22))) (and (= v_prenex_4 .cse25) .cse24 .cse11))) .cse32)) (and .cse11 .cse15 (or (and .cse12 (= v_prenex_4 .cse13)) .cse32)))))) (.cse30 (= v_prenex_4 |c_~#mutexes~0.base|))) (or (and (let ((.cse21 (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse28))) (let ((.cse14 (and .cse26 .cse27 .cse21))) (or (and .cse11 (or (and .cse12 (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse13)) .cse14) .cse15) (and (= v_arrayElimCell_38 v_prenex_4) .cse16) (and .cse17 (or (and .cse12 (or (and .cse18 (or (and .cse19 .cse20 .cse21) (and .cse22 (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse23)))) (and .cse24 .cse11 (= |v_mutex_lock_#in~m#1.base_BEFORE_CALL_10| .cse25)))) .cse14))))) (or (not .cse29) (not .cse30))) (and .cse29 .cse16 .cse30)))))))))) is different from true [2021-11-12 23:58:01,492 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#memory_$Pointer$.offset_91| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (v___ldv_list_add_~next.offset_19 (_ BitVec 32))) (exists ((v___ldv_list_add_~next.offset_16 (_ BitVec 32)) (|v_mutex_lock_ldv_list_add_~new#1.base_13| (_ BitVec 32))) (and (= (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_set_add_#t~ret20#1.base| (store (select |c_#memory_$Pointer$.base| |c_mutex_lock_ldv_set_add_#t~ret20#1.base|) |c_mutex_lock_ldv_set_add_#t~ret20#1.offset| |c_mutex_lock_ldv_set_add_~new#1.base|)))) (let ((.cse5 (bvadd (_ bv8 32) |c_mutex_lock_ldv_set_add_#t~ret20#1.offset|)) (.cse4 (select (select .cse6 |c_mutex_lock_ldv_set_add_~s#1.base|) |c_mutex_lock_ldv_set_add_~s#1.offset|)) (.cse7 (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_19)) (.cse3 (bvadd (_ bv4 32) |c_mutex_lock_ldv_set_add_#t~ret20#1.offset|))) (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store .cse6 .cse4 (store (select .cse6 .cse4) .cse7 |c_mutex_lock_ldv_set_add_#t~ret20#1.base|)))) (store .cse2 |c_mutex_lock_ldv_set_add_#t~ret20#1.base| (store (store (select .cse2 |c_mutex_lock_ldv_set_add_#t~ret20#1.base|) .cse3 .cse4) .cse5 |c_mutex_lock_ldv_set_add_~s#1.base|))))) (store .cse1 |c_mutex_lock_ldv_set_add_~s#1.base| (store (select .cse1 |c_mutex_lock_ldv_set_add_~s#1.base|) |c_mutex_lock_ldv_set_add_~s#1.offset| |c_mutex_lock_ldv_set_add_#t~ret20#1.base|))))) (select .cse0 (select (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (bvadd (_ bv4294967292 32) (select (select (let ((.cse8 (let ((.cse9 (store |v_#memory_$Pointer$.offset_91| .cse4 (store (select |v_#memory_$Pointer$.offset_91| .cse4) .cse7 .cse3)))) (store .cse9 |c_mutex_lock_ldv_set_add_#t~ret20#1.base| (store (store (select .cse9 |c_mutex_lock_ldv_set_add_#t~ret20#1.base|) .cse3 v___ldv_list_add_~next.offset_19) .cse5 |c_mutex_lock_ldv_set_add_~s#1.offset|))))) (store .cse8 |c_mutex_lock_ldv_set_add_~s#1.base| (store (select .cse8 |c_mutex_lock_ldv_set_add_~s#1.base|) |c_mutex_lock_ldv_set_add_~s#1.offset| .cse3))) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))))) (select (select (let ((.cse10 (let ((.cse13 (store |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_13| (store (select |c_old(#memory_$Pointer$.base)| |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv0 32) |c_mutex_lock_#in~m#1.base|)))) (let ((.cse12 (select (select .cse13 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse11 (store .cse13 .cse12 (store (select .cse13 .cse12) (bvadd (_ bv4 32) v___ldv_list_add_~next.offset_16) |v_mutex_lock_ldv_list_add_~new#1.base_13|)))) (store .cse11 |v_mutex_lock_ldv_list_add_~new#1.base_13| (store (store (select .cse11 |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv4 32) .cse12) (_ bv8 32) |c_~#mutexes~0.base|))))))) (store .cse10 |c_~#mutexes~0.base| (store (select .cse10 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_13|))) |v_mutex_lock_ldv_list_add_~new#1.base_13|) (_ bv0 32))) (bvult |v_mutex_lock_ldv_list_add_~new#1.base_13| |c_#StackHeapBarrier|)))) is different from false [2021-11-12 23:58:03,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51055 treesize of output 51039 [2021-11-13 00:00:23,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22642 treesize of output 22638 [2021-11-13 00:00:23,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82927 treesize of output 82551