./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/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_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:05:50,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:05:50,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:05:50,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:05:50,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:05:50,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:05:50,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:05:50,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:05:50,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:05:50,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:05:50,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:05:50,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:05:50,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:05:50,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:05:50,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:05:50,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:05:50,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:05:50,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:05:50,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:05:50,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:05:50,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:05:50,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:05:50,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:05:50,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:05:50,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:05:50,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:05:50,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:05:50,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:05:50,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:05:50,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:05:50,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:05:50,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:05:50,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:05:50,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:05:50,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:05:50,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:05:50,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:05:50,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:05:50,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:05:50,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:05:50,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:05:50,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-12 23:05:50,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:05:50,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:05:50,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:05:50,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:05:50,595 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:05:50,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:05:50,595 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:05:50,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:05:50,596 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:05:50,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:05:50,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:05:50,598 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:05:50,598 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:05:50,599 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:05:50,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:05:50,599 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:05:50,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:05:50,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:05:50,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:05:50,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:05:50,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:05:50,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:05:50,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:05:50,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:05:50,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:05:50,603 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-12 23:05:50,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:05:50,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:05:50,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:05:50,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:05:50,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:05:50,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:05:50,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:05:50,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:05:50,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:05:50,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:05:50,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:05:50,609 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:05:50,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:05:50,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:05:50,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:05:50,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:05:50,610 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_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2021-11-12 23:05:50,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:05:50,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:05:51,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:05:51,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:05:51,004 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:05:51,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-12 23:05:51,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/428e5ca1b/8dc4bbd5cd414ae199f163d4699ca73c/FLAG4e2bf0d0f [2021-11-12 23:05:52,003 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:05:52,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-12 23:05:52,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/428e5ca1b/8dc4bbd5cd414ae199f163d4699ca73c/FLAG4e2bf0d0f [2021-11-12 23:05:52,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/428e5ca1b/8dc4bbd5cd414ae199f163d4699ca73c [2021-11-12 23:05:52,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:05:52,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:05:52,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:52,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:05:52,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:05:52,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:52" (1/1) ... [2021-11-12 23:05:52,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a5d79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:52, skipping insertion in model container [2021-11-12 23:05:52,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:52" (1/1) ... [2021-11-12 23:05:52,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:05:52,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:05:53,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:53,278 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 23:05:53,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd81b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:53, skipping insertion in model container [2021-11-12 23:05:53,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:53,281 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:05:53,284 INFO L158 Benchmark]: Toolchain (without parser) took 1153.95ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 56.5MB in the beginning and 94.2MB in the end (delta: -37.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:05:53,286 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:05:53,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.08ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 94.2MB in the end (delta: -38.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:05:53,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.08ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 94.2MB in the end (delta: -38.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1233]: 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_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/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_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:05:56,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:05:56,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:05:56,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:05:56,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:05:56,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:05:56,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:05:56,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:05:56,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:05:56,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:05:56,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:05:56,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:05:56,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:05:56,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:05:56,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:05:56,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:05:56,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:05:56,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:05:56,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:05:56,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:05:56,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:05:56,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:05:56,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:05:56,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:05:56,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:05:56,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:05:56,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:05:56,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:05:56,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:05:56,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:05:56,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:05:56,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:05:56,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:05:56,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:05:56,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:05:56,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:05:56,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:05:56,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:05:56,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:05:56,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:05:56,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:05:56,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-12 23:05:56,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:05:56,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:05:56,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:05:56,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:05:56,548 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:05:56,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:05:56,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:05:56,549 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:05:56,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:05:56,550 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:05:56,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:05:56,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:05:56,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:05:56,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:05:56,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:05:56,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:05:56,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:05:56,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:05:56,553 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-12 23:05:56,554 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:05:56,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:05:56,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:05:56,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:05:56,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:05:56,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:05:56,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:05:56,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:05:56,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:05:56,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:05:56,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:05:56,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:05:56,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:05:56,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:05:56,557 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:05:56,557 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:05:56,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:05:56,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:05:56,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:05:56,559 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_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2021-11-12 23:05:57,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:05:57,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:05:57,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:05:57,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:05:57,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:05:57,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-12 23:05:57,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/c33eb94f5/7776a722c83842df9ebfc9e332929eac/FLAG60264cb01 [2021-11-12 23:05:58,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:05:58,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-12 23:05:58,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/c33eb94f5/7776a722c83842df9ebfc9e332929eac/FLAG60264cb01 [2021-11-12 23:05:58,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/data/c33eb94f5/7776a722c83842df9ebfc9e332929eac [2021-11-12 23:05:58,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:05:58,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:05:58,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:58,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:05:58,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:05:58,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:58" (1/1) ... [2021-11-12 23:05:58,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7281d7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:58, skipping insertion in model container [2021-11-12 23:05:58,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:58" (1/1) ... [2021-11-12 23:05:58,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:05:58,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:05:59,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:59,136 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:05:59,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:05:59,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:59,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:05:59,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:59,406 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:05:59,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59 WrapperNode [2021-11-12 23:05:59,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:59,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:05:59,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:05:59,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:05:59,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:05:59,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:05:59,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:05:59,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:05:59,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:05:59,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:05:59,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:05:59,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:05:59,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (1/1) ... [2021-11-12 23:05:59,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:05:59,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:05:59,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:05:59,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:05:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:05:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:05:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:05:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:05:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-12 23:05:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:05:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-12 23:05:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-12 23:05:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:05:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:05:59,731 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:06:00,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:06:00,423 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:06:00,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:00 BoogieIcfgContainer [2021-11-12 23:06:00,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:06:00,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:06:00,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:06:00,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:06:00,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:05:58" (1/3) ... [2021-11-12 23:06:00,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b5bfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:00, skipping insertion in model container [2021-11-12 23:06:00,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:59" (2/3) ... [2021-11-12 23:06:00,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b5bfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:00, skipping insertion in model container [2021-11-12 23:06:00,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:00" (3/3) ... [2021-11-12 23:06:00,440 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2021-11-12 23:06:00,447 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:06:00,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:06:00,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-12 23:06:00,448 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:06:00,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:06:00,594 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:06:00,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:06:00,682 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 23:06:00,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-12 23:06:00,706 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:06:00,728 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 116 transitions, 237 flow [2021-11-12 23:06:00,738 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 116 transitions, 237 flow [2021-11-12 23:06:00,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 116 transitions, 237 flow [2021-11-12 23:06:00,874 INFO L129 PetriNetUnfolder]: 0/115 cut-off events. [2021-11-12 23:06:00,875 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:06:00,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 115 events. 0/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 82 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-12 23:06:00,884 INFO L116 LiptonReduction]: Number of co-enabled transitions 2652 [2021-11-12 23:06:10,991 INFO L131 LiptonReduction]: Checked pairs total: 11478 [2021-11-12 23:06:10,991 INFO L133 LiptonReduction]: Total number of compositions: 89 [2021-11-12 23:06:11,005 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 89 flow [2021-11-12 23:06:11,060 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-12 23:06:11,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:11,071 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-12 23:06:11,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:11,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:11,084 INFO L85 PathProgramCache]: Analyzing trace with hash 385, now seen corresponding path program 1 times [2021-11-12 23:06:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:11,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719627523] [2021-11-12 23:06:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:11,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:11,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:11,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:06:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:11,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:06:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:11,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:11,228 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:11,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719627523] [2021-11-12 23:06:11,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719627523] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:11,229 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:11,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-11-12 23:06:11,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136597323] [2021-11-12 23:06:11,232 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:11,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:06:11,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:11,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:06:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:06:11,278 INFO L87 Difference]: Start difference. First operand has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:11,397 INFO L93 Difference]: Finished difference Result 322 states and 606 transitions. [2021-11-12 23:06:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:06:11,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-11-12 23:06:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:11,441 INFO L225 Difference]: With dead ends: 322 [2021-11-12 23:06:11,441 INFO L226 Difference]: Without dead ends: 322 [2021-11-12 23:06:11,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 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 23:06:11,455 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:11,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 80.32ms Time] [2021-11-12 23:06:11,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-12 23:06:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-11-12 23:06:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 314 states have (on average 1.929936305732484) internal successors, (606), 321 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 606 transitions. [2021-11-12 23:06:11,631 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 606 transitions. Word has length 1 [2021-11-12 23:06:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:11,632 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 606 transitions. [2021-11-12 23:06:11,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 606 transitions. [2021-11-12 23:06:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:06:11,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:11,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:11,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:06:11,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:11,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:11,848 INFO L85 PathProgramCache]: Analyzing trace with hash 474666181, now seen corresponding path program 1 times [2021-11-12 23:06:11,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:11,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338368258] [2021-11-12 23:06:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:11,850 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:11,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:11,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:11,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:06:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:11,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:11,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:12,088 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:12,135 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:06:12,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-11-12 23:06:12,262 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-12 23:06:12,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 42 treesize of output 50 [2021-11-12 23:06:12,593 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-12 23:06:12,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 83 [2021-11-12 23:06:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:12,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:13,060 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:13,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338368258] [2021-11-12 23:06:13,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338368258] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:13,060 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:13,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:06:13,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763212237] [2021-11-12 23:06:13,061 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:13,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:06:13,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:13,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:06:13,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:13,064 INFO L87 Difference]: Start difference. First operand 322 states and 606 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:14,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:14,127 INFO L93 Difference]: Finished difference Result 374 states and 704 transitions. [2021-11-12 23:06:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:14,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:06:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:14,135 INFO L225 Difference]: With dead ends: 374 [2021-11-12 23:06:14,135 INFO L226 Difference]: Without dead ends: 374 [2021-11-12 23:06:14,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:14,138 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 39 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 803.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.93ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 926.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:14,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 28 Invalid, 317 Unknown, 0 Unchecked, 6.93ms Time], IncrementalHoareTripleChecker [18 Valid, 280 Invalid, 0 Unknown, 19 Unchecked, 926.90ms Time] [2021-11-12 23:06:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-11-12 23:06:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 360. [2021-11-12 23:06:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 352 states have (on average 1.9261363636363635) internal successors, (678), 359 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 678 transitions. [2021-11-12 23:06:14,191 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 678 transitions. Word has length 10 [2021-11-12 23:06:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:14,191 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 678 transitions. [2021-11-12 23:06:14,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 678 transitions. [2021-11-12 23:06:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:06:14,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:14,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:14,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:14,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:14,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:14,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1505207835, now seen corresponding path program 1 times [2021-11-12 23:06:14,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:14,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899730746] [2021-11-12 23:06:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:14,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:14,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:14,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:14,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:06:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:14,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:14,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:14,552 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:14,594 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:06:14,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-11-12 23:06:14,715 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-12 23:06:14,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 43 treesize of output 51 [2021-11-12 23:06:14,938 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-12 23:06:14,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 90 [2021-11-12 23:06:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:15,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:15,302 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:15,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899730746] [2021-11-12 23:06:15,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899730746] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:15,302 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:15,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:06:15,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608066017] [2021-11-12 23:06:15,303 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:15,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:06:15,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:15,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:06:15,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:15,305 INFO L87 Difference]: Start difference. First operand 360 states and 678 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:16,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:16,007 INFO L93 Difference]: Finished difference Result 389 states and 730 transitions. [2021-11-12 23:06:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:16,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:06:16,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:16,013 INFO L225 Difference]: With dead ends: 389 [2021-11-12 23:06:16,016 INFO L226 Difference]: Without dead ends: 389 [2021-11-12 23:06:16,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:16,019 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 40 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 490.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.94ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 579.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:16,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 16 Invalid, 287 Unknown, 0 Unchecked, 3.94ms Time], IncrementalHoareTripleChecker [26 Valid, 179 Invalid, 0 Unknown, 82 Unchecked, 579.93ms Time] [2021-11-12 23:06:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-11-12 23:06:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 375. [2021-11-12 23:06:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 368 states have (on average 1.9130434782608696) internal successors, (704), 374 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 704 transitions. [2021-11-12 23:06:16,084 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 704 transitions. Word has length 10 [2021-11-12 23:06:16,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:16,085 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 704 transitions. [2021-11-12 23:06:16,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 704 transitions. [2021-11-12 23:06:16,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:06:16,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:16,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:16,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:16,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:16,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash 413058096, now seen corresponding path program 1 times [2021-11-12 23:06:16,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:16,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659185741] [2021-11-12 23:06:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:16,299 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:16,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:16,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:06:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:16,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-12 23:06:16,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:16,443 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:06:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:16,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:16,579 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:16,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659185741] [2021-11-12 23:06:16,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659185741] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:16,580 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:16,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:06:16,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589123313] [2021-11-12 23:06:16,581 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:16,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:06:16,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:16,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:06:16,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:06:16,583 INFO L87 Difference]: Start difference. First operand 375 states and 704 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:18,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:18,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:18,688 INFO L93 Difference]: Finished difference Result 401 states and 714 transitions. [2021-11-12 23:06:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:06:18,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-12 23:06:18,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:18,693 INFO L225 Difference]: With dead ends: 401 [2021-11-12 23:06:18,693 INFO L226 Difference]: Without dead ends: 401 [2021-11-12 23:06:18,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:06:18,695 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2080.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2097.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:18,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 42 Invalid, 30 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 2097.42ms Time] [2021-11-12 23:06:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-11-12 23:06:18,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 375. [2021-11-12 23:06:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 367 states have (on average 1.880108991825613) internal successors, (690), 374 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 690 transitions. [2021-11-12 23:06:18,716 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 690 transitions. Word has length 14 [2021-11-12 23:06:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:18,717 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 690 transitions. [2021-11-12 23:06:18,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 690 transitions. [2021-11-12 23:06:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:06:18,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:18,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:18,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 23:06:18,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:18,933 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:18,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:18,933 INFO L85 PathProgramCache]: Analyzing trace with hash 770912254, now seen corresponding path program 2 times [2021-11-12 23:06:18,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:18,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269376120] [2021-11-12 23:06:18,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:06:18,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:18,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:18,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:18,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:06:19,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-12 23:06:19,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:06:19,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-12 23:06:19,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:19,053 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:06:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:19,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:19,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:19,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269376120] [2021-11-12 23:06:19,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269376120] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:19,155 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:19,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:06:19,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530310828] [2021-11-12 23:06:19,155 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:19,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:06:19,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:06:19,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:06:19,157 INFO L87 Difference]: Start difference. First operand 375 states and 690 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:19,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:19,289 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2021-11-12 23:06:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:06:19,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-12 23:06:19,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:19,291 INFO L225 Difference]: With dead ends: 92 [2021-11-12 23:06:19,291 INFO L226 Difference]: Without dead ends: 92 [2021-11-12 23:06:19,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:06:19,293 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:19,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 19 Invalid, 24 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 128.91ms Time] [2021-11-12 23:06:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-12 23:06:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-12 23:06:19,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 91 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-11-12 23:06:19,299 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 14 [2021-11-12 23:06:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:19,299 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-11-12 23:06:19,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2021-11-12 23:06:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:06:19,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:19,301 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:19,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:19,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:19,517 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:19,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1844791080, now seen corresponding path program 1 times [2021-11-12 23:06:19,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:19,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852513553] [2021-11-12 23:06:19,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:19,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:19,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:19,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:19,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:06:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:19,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:19,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:19,652 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:19,687 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:06:19,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-11-12 23:06:19,788 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-12 23:06:19,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 54 [2021-11-12 23:06:19,987 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-12 23:06:19,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 87 [2021-11-12 23:06:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:20,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:20,381 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:20,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852513553] [2021-11-12 23:06:20,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852513553] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:20,381 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:20,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:06:20,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795242425] [2021-11-12 23:06:20,382 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:20,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:06:20,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:06:20,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:20,383 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:20,560 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2021-11-12 23:06:20,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:20,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-12 23:06:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:20,561 INFO L225 Difference]: With dead ends: 95 [2021-11-12 23:06:20,562 INFO L226 Difference]: Without dead ends: 79 [2021-11-12 23:06:20,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:20,563 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 76.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:20,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 95 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 70 Unchecked, 76.87ms Time] [2021-11-12 23:06:20,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-12 23:06:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2021-11-12 23:06:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 75 states have (on average 1.4) internal successors, (105), 77 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2021-11-12 23:06:20,568 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 16 [2021-11-12 23:06:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:20,569 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2021-11-12 23:06:20,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2021-11-12 23:06:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:06:20,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:20,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:20,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:20,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:20,772 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:20,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:20,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2101430281, now seen corresponding path program 1 times [2021-11-12 23:06:20,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:20,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491198957] [2021-11-12 23:06:20,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:20,773 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:20,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:20,775 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:06:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:20,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:20,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:20,921 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:20,954 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:06:20,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-12 23:06:21,024 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-12 23:06:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 49 treesize of output 57 [2021-11-12 23:06:21,189 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-12 23:06:21,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 88 [2021-11-12 23:06:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:21,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:21,486 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:21,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491198957] [2021-11-12 23:06:21,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491198957] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:21,486 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:21,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-12 23:06:21,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929898691] [2021-11-12 23:06:21,487 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:21,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:06:21,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:21,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:06:21,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:06:21,488 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:21,699 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2021-11-12 23:06:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:21,701 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-12 23:06:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:21,701 INFO L225 Difference]: With dead ends: 75 [2021-11-12 23:06:21,701 INFO L226 Difference]: Without dead ends: 21 [2021-11-12 23:06:21,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:06:21,702 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 135.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:21,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 15 Invalid, 64 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 7 Unchecked, 135.86ms Time] [2021-11-12 23:06:21,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-12 23:06:21,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-12 23:06:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2021-11-12 23:06:21,705 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 16 [2021-11-12 23:06:21,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:21,705 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-11-12 23:06:21,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:21,706 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-11-12 23:06:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:06:21,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:21,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:21,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:21,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:21,907 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-12 23:06:21,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1286693889, now seen corresponding path program 1 times [2021-11-12 23:06:21,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:21,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406414198] [2021-11-12 23:06:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:21,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:21,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:21,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:06:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:22,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:06:22,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:22,066 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 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-12 23:06:22,091 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:06:22,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-12 23:06:22,185 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-12 23:06:22,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 48 treesize of output 56 [2021-11-12 23:06:22,396 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-12 23:06:22,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 87 [2021-11-12 23:06:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:22,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:06:22,717 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:22,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406414198] [2021-11-12 23:06:22,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406414198] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:22,718 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:22,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:06:22,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732085074] [2021-11-12 23:06:22,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:22,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:06:22,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:22,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:06:22,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:22,720 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:22,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:22,871 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-12 23:06:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:06:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-12 23:06:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:22,872 INFO L225 Difference]: With dead ends: 20 [2021-11-12 23:06:22,872 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:06:22,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 6 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:06:22,873 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.35ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 57.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:22,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5 Invalid, 42 Unknown, 0 Unchecked, 0.35ms Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 12 Unchecked, 57.58ms Time] [2021-11-12 23:06:22,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:06:22,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:06:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:06:22,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-11-12 23:06:22,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:22,875 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:06:22,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:06:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:06:22,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:06:22,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2021-11-12 23:06:22,879 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2021-11-12 23:06:22,879 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2021-11-12 23:06:22,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2021-11-12 23:06:22,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2021-11-12 23:06:22,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2021-11-12 23:06:22,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 13 remaining) [2021-11-12 23:06:22,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2021-11-12 23:06:22,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2021-11-12 23:06:22,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2021-11-12 23:06:22,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2021-11-12 23:06:22,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2021-11-12 23:06:22,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2021-11-12 23:06:22,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:23,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:23,095 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:23,101 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:06:23,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:06:23,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:06:23 BasicIcfg [2021-11-12 23:06:23,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:06:23,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:06:23,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:06:23,106 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:06:23,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:00" (3/4) ... [2021-11-12 23:06:23,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:06:23,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-12 23:06:23,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-12 23:06:23,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-12 23:06:23,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-12 23:06:23,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:06:23,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:06:23,174 INFO L158 Benchmark]: Toolchain (without parser) took 24978.03ms. Allocated memory was 60.8MB in the beginning and 111.1MB in the end (delta: 50.3MB). Free memory was 38.5MB in the beginning and 47.1MB in the end (delta: -8.6MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,174 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:06:23,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1209.33ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 50.6MB in the end (delta: -12.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.35ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,176 INFO L158 Benchmark]: Boogie Preprocessor took 91.76ms. Allocated memory is still 81.8MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,178 INFO L158 Benchmark]: RCFGBuilder took 820.61ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 52.0MB in the end (delta: -6.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,178 INFO L158 Benchmark]: TraceAbstraction took 22676.51ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 51.6MB in the beginning and 50.1MB in the end (delta: 1.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,179 INFO L158 Benchmark]: Witness Printer took 67.54ms. Allocated memory is still 111.1MB. Free memory was 50.1MB in the beginning and 47.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:06:23,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1209.33ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 50.6MB in the end (delta: -12.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.35ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.76ms. Allocated memory is still 81.8MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.61ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 52.0MB in the end (delta: -6.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * TraceAbstraction took 22676.51ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 51.6MB in the beginning and 50.1MB in the end (delta: 1.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 67.54ms. Allocated memory is still 111.1MB. Free memory was 50.1MB in the beginning and 47.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 120 PlacesBefore, 46 PlacesAfterwards, 116 TransitionsBefore, 42 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 7 FixpointIterations, 49 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 89 TotalNumberOfCompositions, 11478 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2783, positive: 2299, positive conditional: 0, positive unconditional: 2299, negative: 484, negative conditional: 0, negative unconditional: 484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1516, positive: 1440, positive conditional: 0, positive unconditional: 1440, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1516, positive: 1420, positive conditional: 0, positive unconditional: 1420, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1219, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 1017, negative conditional: 0, negative unconditional: 1017, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2783, positive: 859, positive conditional: 0, positive unconditional: 859, negative: 408, negative conditional: 0, negative unconditional: 408, unknown: 1516, unknown conditional: 0, unknown unconditional: 1516] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 153, Positive conditional cache size: 0, Positive unconditional cache size: 153, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1244]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1245]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 153 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 4083.78ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 3793.24ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 190 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 626 IncrementalHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 133 mSDtfsCounter, 626 mSolverCounterSat, 14.70ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 136 SyntacticMatches, 28 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 14 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=3, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 55 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 180 ConstructedInterpolants, 14 QuantifiedInterpolants, 1988 SizeOfPredicates, 31 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-12 23:06:23,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c7a17e-6340-40c1-bd8e-0fce7e15f75a/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE