./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/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_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 02:19:02,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:02,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:02,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:02,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:02,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:02,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:02,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:02,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:02,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:02,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:02,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:02,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:02,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:02,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:02,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:02,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:02,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:02,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:02,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:02,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:02,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:02,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:02,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:02,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:02,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:02,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:02,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:02,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:02,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:02,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:02,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:02,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:02,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:02,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:02,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:02,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:02,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:02,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:02,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:02,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:02,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-07 02:19:02,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:02,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:02,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:02,971 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:02,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:02,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:02,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:02,972 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:02,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:02,979 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:02,980 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:02,980 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:02,981 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:02,981 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:02,981 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:02,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:02,982 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:02,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:19:02,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:02,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:02,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:02,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:02,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:02,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:02,984 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 02:19:02,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:02,985 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:02,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:02,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:02,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:02,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:02,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:02,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:02,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:02,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:02,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:02,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:02,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:02,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:02,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:02,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:02,991 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_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2021-11-07 02:19:03,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:03,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:03,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:03,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:03,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:03,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-07 02:19:03,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/96919be4c/5635f5451a6f47ffb8d8b8399eef39d1/FLAGc2930f6ad [2021-11-07 02:19:04,168 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:04,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-07 02:19:04,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/96919be4c/5635f5451a6f47ffb8d8b8399eef39d1/FLAGc2930f6ad [2021-11-07 02:19:04,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/96919be4c/5635f5451a6f47ffb8d8b8399eef39d1 [2021-11-07 02:19:04,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:04,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:04,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:04,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:04,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:04,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:04" (1/1) ... [2021-11-07 02:19:04,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49596047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:04, skipping insertion in model container [2021-11-07 02:19:04,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:04" (1/1) ... [2021-11-07 02:19:04,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:04,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:05,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:05,283 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) [2021-11-07 02:19:05,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a18a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05, skipping insertion in model container [2021-11-07 02:19:05,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:05,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:19:05,287 INFO L168 Benchmark]: Toolchain (without parser) took 904.36 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 71.2 MB in the beginning and 98.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:05,288 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 79.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:05,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.18 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 98.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:05,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 79.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 901.18 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 98.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/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_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 02:19:07,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:07,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:07,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:07,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:07,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:07,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:07,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:07,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:07,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:07,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:07,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:07,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:07,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:07,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:07,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:07,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:07,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:07,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:07,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:07,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:07,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:07,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:07,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:07,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:07,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:07,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:07,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:07,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:07,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:07,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:07,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:07,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:07,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:07,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:07,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:08,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:08,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:08,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:08,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:08,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:08,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-07 02:19:08,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:08,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:08,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:08,087 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:08,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:08,087 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:08,087 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:08,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:08,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:08,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:08,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:08,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:19:08,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:08,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:08,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:08,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:08,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:08,093 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 02:19:08,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:08,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:19:08,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:19:08,094 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:08,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:08,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:08,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:08,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:08,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:19:08,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:08,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:08,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:08,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:08,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:08,096 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:19:08,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:19:08,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:08,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:08,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:08,098 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_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2021-11-07 02:19:08,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:08,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:08,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:08,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:08,654 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:08,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-07 02:19:08,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/2fc76dc11/9c0fc92b8684459db39ccd9c361e9f04/FLAGbba42a767 [2021-11-07 02:19:09,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:09,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-07 02:19:09,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/2fc76dc11/9c0fc92b8684459db39ccd9c361e9f04/FLAGbba42a767 [2021-11-07 02:19:09,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/data/2fc76dc11/9c0fc92b8684459db39ccd9c361e9f04 [2021-11-07 02:19:09,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:09,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:09,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:09,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:09,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:09,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:09" (1/1) ... [2021-11-07 02:19:09,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654da5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:09, skipping insertion in model container [2021-11-07 02:19:09,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:09" (1/1) ... [2021-11-07 02:19:09,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:09,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:10,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:10,544 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:19:10,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:10,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:10,654 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:10,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:10,901 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:10,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10 WrapperNode [2021-11-07 02:19:10,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:10,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:10,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:10,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:10,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:10,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:11,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:11,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:11,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:11,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:11,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:11,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:11,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:11,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (1/1) ... [2021-11-07 02:19:11,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:11,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:11,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:11,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:19:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:19:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 02:19:11,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:19:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 02:19:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 02:19:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:11,221 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 02:19:11,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:11,873 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 02:19:11,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:11 BoogieIcfgContainer [2021-11-07 02:19:11,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:11,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:11,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:11,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:11,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:09" (1/3) ... [2021-11-07 02:19:11,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492fc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:11, skipping insertion in model container [2021-11-07 02:19:11,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:10" (2/3) ... [2021-11-07 02:19:11,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492fc63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:11, skipping insertion in model container [2021-11-07 02:19:11,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:11" (3/3) ... [2021-11-07 02:19:11,885 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2021-11-07 02:19:11,891 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 02:19:11,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:11,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-07 02:19:11,892 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 02:19:11,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,949 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,951 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,951 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,952 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,952 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,977 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,977 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,983 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,984 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,984 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,985 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,985 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:11,991 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-07 02:19:12,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:12,050 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 [2021-11-07 02:19:12,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-07 02:19:12,067 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 02:19:12,080 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 106 transitions, 217 flow [2021-11-07 02:19:12,083 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 106 transitions, 217 flow [2021-11-07 02:19:12,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 106 transitions, 217 flow [2021-11-07 02:19:12,140 INFO L129 PetriNetUnfolder]: 0/105 cut-off events. [2021-11-07 02:19:12,140 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-07 02:19:12,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 0/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-07 02:19:12,147 INFO L116 LiptonReduction]: Number of co-enabled transitions 2304 [2021-11-07 02:19:20,112 INFO L131 LiptonReduction]: Checked pairs total: 9733 [2021-11-07 02:19:20,112 INFO L133 LiptonReduction]: Total number of compositions: 79 [2021-11-07 02:19:20,126 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 89 flow [2021-11-07 02:19:20,173 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) [2021-11-07 02:19:20,186 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) [2021-11-07 02:19:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-07 02:19:20,193 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:20,193 INFO L513 BasicCegarLoop]: trace histogram [1] [2021-11-07 02:19:20,194 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)] === [2021-11-07 02:19:20,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:20,201 INFO L85 PathProgramCache]: Analyzing trace with hash 353, now seen corresponding path program 1 times [2021-11-07 02:19:20,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:20,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816696331] [2021-11-07 02:19:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:20,218 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:20,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:20,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:20,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:19:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:20,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:19:20,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:20,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:20,324 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:20,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816696331] [2021-11-07 02:19:20,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816696331] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:20,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:20,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-11-07 02:19:20,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656944898] [2021-11-07 02:19:20,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:19:20,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:20,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:19:20,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:19:20,352 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) [2021-11-07 02:19:20,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:20,381 INFO L93 Difference]: Finished difference Result 322 states and 606 transitions. [2021-11-07 02:19:20,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:19:20,383 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 [2021-11-07 02:19:20,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:20,401 INFO L225 Difference]: With dead ends: 322 [2021-11-07 02:19:20,402 INFO L226 Difference]: Without dead ends: 322 [2021-11-07 02:19:20,403 INFO L786 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 [2021-11-07 02:19:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-07 02:19:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-11-07 02:19:20,463 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) [2021-11-07 02:19:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 606 transitions. [2021-11-07 02:19:20,471 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 606 transitions. Word has length 1 [2021-11-07 02:19:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:20,472 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 606 transitions. [2021-11-07 02:19:20,472 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) [2021-11-07 02:19:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 606 transitions. [2021-11-07 02:19:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:19:20,474 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:20,474 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:20,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:19:20,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:20,685 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)] === [2021-11-07 02:19:20,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:20,686 INFO L85 PathProgramCache]: Analyzing trace with hash -2135600128, now seen corresponding path program 1 times [2021-11-07 02:19:20,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:20,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990338118] [2021-11-07 02:19:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:20,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:20,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:20,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:20,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:19:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:20,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:20,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:20,990 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 [2021-11-07 02:19:21,036 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 02:19:21,037 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 22 treesize of output 24 [2021-11-07 02:19:21,201 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-07 02:19:21,202 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 [2021-11-07 02:19:21,503 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-07 02:19:21,504 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 80 treesize of output 94 [2021-11-07 02:19:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:21,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:21,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:21,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990338118] [2021-11-07 02:19:21,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990338118] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:21,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:21,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:19:21,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144369177] [2021-11-07 02:19:21,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:19:21,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:21,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:19:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:21,953 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) [2021-11-07 02:19:22,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:22,801 INFO L93 Difference]: Finished difference Result 353 states and 662 transitions. [2021-11-07 02:19:22,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:22,801 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 [2021-11-07 02:19:22,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:22,805 INFO L225 Difference]: With dead ends: 353 [2021-11-07 02:19:22,805 INFO L226 Difference]: Without dead ends: 353 [2021-11-07 02:19:22,806 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:22,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-07 02:19:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 339. [2021-11-07 02:19:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 332 states have (on average 1.9156626506024097) internal successors, (636), 338 states have internal predecessors, (636), 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) [2021-11-07 02:19:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 636 transitions. [2021-11-07 02:19:22,840 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 636 transitions. Word has length 10 [2021-11-07 02:19:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:22,841 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 636 transitions. [2021-11-07 02:19:22,841 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) [2021-11-07 02:19:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 636 transitions. [2021-11-07 02:19:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:19:22,843 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:22,843 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:22,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 02:19:23,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:23,052 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)] === [2021-11-07 02:19:23,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1440818354, now seen corresponding path program 1 times [2021-11-07 02:19:23,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:23,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835862828] [2021-11-07 02:19:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:23,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:23,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:19:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:23,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:23,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:23,232 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 [2021-11-07 02:19:23,272 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 02:19:23,273 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 21 treesize of output 23 [2021-11-07 02:19:23,351 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-07 02:19:23,351 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 33 treesize of output 41 [2021-11-07 02:19:23,518 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-07 02:19:23,518 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 49 treesize of output 63 [2021-11-07 02:19:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:23,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:23,829 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:23,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835862828] [2021-11-07 02:19:23,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835862828] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:23,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:23,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 02:19:23,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247624170] [2021-11-07 02:19:23,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:19:23,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:23,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:19:23,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:19:23,833 INFO L87 Difference]: Start difference. First operand 339 states and 636 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 8 states have internal predecessors, (13), 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) [2021-11-07 02:19:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:24,334 INFO L93 Difference]: Finished difference Result 371 states and 694 transitions. [2021-11-07 02:19:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:24,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 8 states have internal predecessors, (13), 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 [2021-11-07 02:19:24,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:24,339 INFO L225 Difference]: With dead ends: 371 [2021-11-07 02:19:24,339 INFO L226 Difference]: Without dead ends: 371 [2021-11-07 02:19:24,340 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:19:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-07 02:19:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 357. [2021-11-07 02:19:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 350 states have (on average 1.9085714285714286) internal successors, (668), 356 states have internal predecessors, (668), 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) [2021-11-07 02:19:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 668 transitions. [2021-11-07 02:19:24,384 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 668 transitions. Word has length 10 [2021-11-07 02:19:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:24,384 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 668 transitions. [2021-11-07 02:19:24,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 8 states have internal predecessors, (13), 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) [2021-11-07 02:19:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 668 transitions. [2021-11-07 02:19:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 02:19:24,390 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:24,390 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:24,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:24,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:24,591 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-07 02:19:24,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash -513488274, now seen corresponding path program 1 times [2021-11-07 02:19:24,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:24,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378714909] [2021-11-07 02:19:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:24,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:24,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:24,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:24,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:19:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:24,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:24,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:24,768 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 [2021-11-07 02:19:24,798 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 02:19:24,799 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 [2021-11-07 02:19:24,866 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-07 02:19:24,866 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 39 treesize of output 47 [2021-11-07 02:19:25,007 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-07 02:19:25,008 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 62 treesize of output 76 [2021-11-07 02:19:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:25,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:25,312 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:25,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378714909] [2021-11-07 02:19:25,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378714909] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:25,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:25,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 02:19:25,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677447241] [2021-11-07 02:19:25,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:19:25,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:25,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:19:25,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:19:25,315 INFO L87 Difference]: Start difference. First operand 357 states and 668 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) [2021-11-07 02:19:25,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:25,828 INFO L93 Difference]: Finished difference Result 423 states and 793 transitions. [2021-11-07 02:19:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:25,829 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 [2021-11-07 02:19:25,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:25,834 INFO L225 Difference]: With dead ends: 423 [2021-11-07 02:19:25,834 INFO L226 Difference]: Without dead ends: 395 [2021-11-07 02:19:25,834 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:19:25,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2021-11-07 02:19:25,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 380. [2021-11-07 02:19:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 373 states have (on average 1.8981233243967828) internal successors, (708), 379 states have internal predecessors, (708), 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) [2021-11-07 02:19:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 708 transitions. [2021-11-07 02:19:25,853 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 708 transitions. Word has length 16 [2021-11-07 02:19:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:25,854 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 708 transitions. [2021-11-07 02:19:25,854 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) [2021-11-07 02:19:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 708 transitions. [2021-11-07 02:19:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 02:19:25,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:25,857 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:25,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:26,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:26,072 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-07 02:19:26,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:26,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1205316497, now seen corresponding path program 1 times [2021-11-07 02:19:26,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:26,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537474448] [2021-11-07 02:19:26,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:26,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:26,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:26,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:19:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:26,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:26,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:26,290 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 [2021-11-07 02:19:26,327 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 02:19:26,329 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 [2021-11-07 02:19:26,430 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-07 02:19:26,431 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 54 treesize of output 62 [2021-11-07 02:19:26,624 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-07 02:19:26,625 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 92 treesize of output 106 [2021-11-07 02:19:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:26,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:27,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:27,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537474448] [2021-11-07 02:19:27,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537474448] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:27,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:27,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:19:27,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114123182] [2021-11-07 02:19:27,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:19:27,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:27,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:19:27,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:27,023 INFO L87 Difference]: Start difference. First operand 380 states and 708 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) [2021-11-07 02:19:27,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:27,775 INFO L93 Difference]: Finished difference Result 438 states and 814 transitions. [2021-11-07 02:19:27,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:27,776 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 [2021-11-07 02:19:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:27,779 INFO L225 Difference]: With dead ends: 438 [2021-11-07 02:19:27,779 INFO L226 Difference]: Without dead ends: 410 [2021-11-07 02:19:27,780 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-11-07 02:19:27,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2021-11-07 02:19:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 395 states have (on average 1.8784810126582279) internal successors, (742), 401 states have internal predecessors, (742), 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) [2021-11-07 02:19:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 742 transitions. [2021-11-07 02:19:27,796 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 742 transitions. Word has length 16 [2021-11-07 02:19:27,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:27,796 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 742 transitions. [2021-11-07 02:19:27,797 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) [2021-11-07 02:19:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 742 transitions. [2021-11-07 02:19:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 02:19:27,799 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:27,799 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:27,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:28,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:28,033 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-07 02:19:28,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:28,033 INFO L85 PathProgramCache]: Analyzing trace with hash 383977639, now seen corresponding path program 1 times [2021-11-07 02:19:28,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:28,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977225226] [2021-11-07 02:19:28,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:28,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:28,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:28,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:28,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:19:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:28,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 02:19:28,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:28,177 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 [2021-11-07 02:19:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:28,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:28,295 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:28,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977225226] [2021-11-07 02:19:28,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977225226] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:28,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:28,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:19:28,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281581334] [2021-11-07 02:19:28,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:19:28,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:28,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:19:28,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:28,298 INFO L87 Difference]: Start difference. First operand 402 states and 742 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-11-07 02:19:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:30,372 INFO L93 Difference]: Finished difference Result 402 states and 730 transitions. [2021-11-07 02:19:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:19:30,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 20 [2021-11-07 02:19:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:30,376 INFO L225 Difference]: With dead ends: 402 [2021-11-07 02:19:30,376 INFO L226 Difference]: Without dead ends: 378 [2021-11-07 02:19:30,377 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-11-07 02:19:30,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2021-11-07 02:19:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 371 states have (on average 1.8706199460916442) internal successors, (694), 377 states have internal predecessors, (694), 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) [2021-11-07 02:19:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 694 transitions. [2021-11-07 02:19:30,395 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 694 transitions. Word has length 20 [2021-11-07 02:19:30,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:30,395 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 694 transitions. [2021-11-07 02:19:30,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-11-07 02:19:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 694 transitions. [2021-11-07 02:19:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 02:19:30,397 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:30,397 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:30,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 02:19:30,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:30,614 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)] === [2021-11-07 02:19:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:30,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2003563155, now seen corresponding path program 2 times [2021-11-07 02:19:30,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:30,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028299228] [2021-11-07 02:19:30,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:19:30,615 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:30,616 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:30,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:19:30,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 02:19:30,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:19:30,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 02:19:30,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:30,775 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 [2021-11-07 02:19:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:30,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:30,955 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:30,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028299228] [2021-11-07 02:19:30,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028299228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:30,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:30,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:19:30,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642405275] [2021-11-07 02:19:30,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:19:30,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:30,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:19:30,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:30,958 INFO L87 Difference]: Start difference. First operand 378 states and 694 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-11-07 02:19:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:30,969 INFO L93 Difference]: Finished difference Result 30 states and 42 transitions. [2021-11-07 02:19:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:19:30,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 20 [2021-11-07 02:19:30,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:30,972 INFO L225 Difference]: With dead ends: 30 [2021-11-07 02:19:30,972 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:19:30,972 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:19:30,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:19:30,973 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) [2021-11-07 02:19:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:19:30,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-07 02:19:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:30,974 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:19:30,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-11-07 02:19:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:19:30,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:19:30,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,978 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 02:19:30,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,980 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:30,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 02:19:31,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:31,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:31,197 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-11-07 02:19:31,203 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 02:19:31,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:19:31,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:19:31 BasicIcfg [2021-11-07 02:19:31,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:19:31,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:19:31,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:19:31,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:19:31,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:11" (3/4) ... [2021-11-07 02:19:31,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:19:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-07 02:19:31,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 02:19:31,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 02:19:31,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:19:31,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:19:31,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:19:31,261 INFO L168 Benchmark]: Toolchain (without parser) took 21627.70 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 50.0 MB in the beginning and 74.1 MB in the end (delta: -24.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:19:31,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1267.67 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 67.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.40 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 64.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,264 INFO L168 Benchmark]: Boogie Preprocessor took 85.22 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,264 INFO L168 Benchmark]: RCFGBuilder took 753.44 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 46.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,265 INFO L168 Benchmark]: TraceAbstraction took 19327.76 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 46.3 MB in the beginning and 77.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,265 INFO L168 Benchmark]: Witness Printer took 54.11 ms. Allocated memory is still 148.9 MB. Free memory was 77.2 MB in the beginning and 74.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:31,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1267.67 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 67.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.40 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 64.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.22 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 753.44 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 46.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19327.76 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 46.3 MB in the beginning and 77.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Witness Printer took 54.11 ms. Allocated memory is still 148.9 MB. Free memory was 77.2 MB in the beginning and 74.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0s, 110 PlacesBefore, 46 PlacesAfterwards, 106 TransitionsBefore, 42 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 6 FixpointIterations, 43 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 79 TotalNumberOfCompositions, 9733 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2998, positive: 2584, positive conditional: 0, positive unconditional: 2584, negative: 414, negative conditional: 0, negative unconditional: 414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1312, positive conditional: 0, positive unconditional: 1312, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1385, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 879, negative conditional: 0, negative unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2998, positive: 1211, positive conditional: 0, positive unconditional: 1211, negative: 325, negative conditional: 0, negative unconditional: 325, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 - 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, 141 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 291 SDtfs, 189 SDslu, 152 SDs, 0 SdLazy, 693 SolverSat, 60 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 136 SyntacticMatches, 18 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 10 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 172 ConstructedInterpolants, 10 QuantifiedInterpolants, 1655 SizeOfPredicates, 28 NumberOfNonLiveVariables, 355 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-11-07 02:19:31,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b042d09b-bbf8-4af3-8f65-9aab7d01a2c4/bin/utaipan-UUZaoUuFF8/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