./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs --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 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:38:05,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:38:05,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:38:05,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:38:05,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:38:05,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:38:05,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:38:05,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:38:05,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:38:05,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:38:05,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:38:05,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:38:05,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:38:05,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:38:05,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:38:05,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:38:05,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:38:05,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:38:05,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:38:05,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:38:05,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:38:05,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:38:05,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:38:05,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:38:05,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:38:05,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:38:05,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:38:05,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:38:05,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:38:05,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:38:05,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:38:05,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:38:05,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:38:05,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:38:05,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:38:05,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:38:05,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:38:05,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:38:05,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:38:05,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:38:05,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:38:05,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 13:38:06,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:38:06,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:38:06,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:38:06,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:38:06,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:38:06,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:38:06,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:38:06,034 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:38:06,034 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:38:06,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:38:06,035 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:38:06,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:38:06,036 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:38:06,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:38:06,036 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:38:06,037 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:38:06,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:38:06,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:38:06,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:38:06,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:38:06,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:38:06,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:38:06,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:38:06,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:38:06,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:38:06,039 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:38:06,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:38:06,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:38:06,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:38:06,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:38:06,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:38:06,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:38:06,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:38:06,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:38:06,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:38:06,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:38:06,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:38:06,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:38:06,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:38:06,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:38:06,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:38:06,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:38:06,044 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_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2021-11-19 13:38:06,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:38:06,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:38:06,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:38:06,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:38:06,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:38:06,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-19 13:38:06,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/ad9299e32/092b7e82a5594a16ab0682688a1af346/FLAG974522d39 [2021-11-19 13:38:07,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:38:07,095 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-19 13:38:07,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/ad9299e32/092b7e82a5594a16ab0682688a1af346/FLAG974522d39 [2021-11-19 13:38:07,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/ad9299e32/092b7e82a5594a16ab0682688a1af346 [2021-11-19 13:38:07,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:38:07,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:38:07,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:07,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:38:07,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:38:07,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:07" (1/1) ... [2021-11-19 13:38:07,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219fe266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:07, skipping insertion in model container [2021-11-19 13:38:07,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:07" (1/1) ... [2021-11-19 13:38:07,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:38:07,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:38:07,914 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:07,929 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) [2021-11-19 13:38:07,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75177eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:07, skipping insertion in model container [2021-11-19 13:38:07,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:07,931 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:38:07,933 INFO L158 Benchmark]: Toolchain (without parser) took 614.96ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.0MB in the beginning and 94.0MB in the end (delta: -25.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:38:07,934 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:38:07,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.46ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.7MB in the beginning and 94.0MB in the end (delta: -25.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:38:07,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.46ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.7MB in the beginning and 94.0MB in the end (delta: -25.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 920]: 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_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs --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 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:38:10,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:38:10,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:38:10,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:38:10,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:38:10,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:38:10,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:38:10,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:38:10,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:38:10,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:38:10,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:38:10,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:38:10,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:38:10,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:38:10,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:38:10,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:38:10,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:38:10,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:38:10,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:38:10,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:38:10,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:38:10,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:38:10,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:38:10,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:38:10,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:38:10,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:38:10,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:38:10,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:38:10,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:38:10,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:38:10,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:38:10,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:38:10,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:38:10,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:38:10,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:38:10,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:38:10,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:38:10,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:38:10,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:38:10,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:38:10,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:38:10,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-19 13:38:10,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:38:10,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:38:10,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:38:10,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:38:10,471 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:38:10,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:38:10,471 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:38:10,471 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:38:10,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:38:10,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:38:10,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:38:10,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:38:10,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:38:10,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:38:10,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:38:10,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:38:10,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:38:10,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:38:10,477 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:38:10,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:38:10,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:38:10,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:38:10,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:38:10,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:38:10,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:38:10,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:38:10,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:38:10,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:38:10,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:38:10,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:38:10,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:38:10,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:38:10,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:38:10,480 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:38:10,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:38:10,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:38:10,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:38:10,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:38:10,482 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_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2021-11-19 13:38:10,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:38:10,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:38:10,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:38:10,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:38:10,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:38:10,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-19 13:38:11,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/326329074/01470e89847a44b58ee45c160d996db7/FLAGd0c944afe [2021-11-19 13:38:11,707 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:38:11,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-19 13:38:11,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/326329074/01470e89847a44b58ee45c160d996db7/FLAGd0c944afe [2021-11-19 13:38:11,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/data/326329074/01470e89847a44b58ee45c160d996db7 [2021-11-19 13:38:11,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:38:11,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:38:11,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:11,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:38:11,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:38:11,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:11" (1/1) ... [2021-11-19 13:38:11,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8d58e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:11, skipping insertion in model container [2021-11-19 13:38:11,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:38:11" (1/1) ... [2021-11-19 13:38:11,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:38:12,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:38:12,625 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:12,646 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:38:12,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:38:12,696 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:12,706 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:38:12,743 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:38:12,830 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:38:12,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12 WrapperNode [2021-11-19 13:38:12,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:38:12,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:38:12,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:38:12,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:38:12,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,886 INFO L137 Inliner]: procedures = 262, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2021-11-19 13:38:12,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:38:12,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:38:12,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:38:12,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:38:12,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:38:12,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:38:12,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:38:12,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:38:12,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (1/1) ... [2021-11-19 13:38:12,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:38:12,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:38:12,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:38:12,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:38:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:38:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:38:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:38:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:38:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:38:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 13:38:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 13:38:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 13:38:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:38:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:38:13,004 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:38:13,129 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:38:13,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:38:13,411 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:38:13,419 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:38:13,419 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:38:13,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:13 BoogieIcfgContainer [2021-11-19 13:38:13,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:38:13,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:38:13,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:38:13,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:38:13,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:38:11" (1/3) ... [2021-11-19 13:38:13,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d828207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:13, skipping insertion in model container [2021-11-19 13:38:13,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:38:12" (2/3) ... [2021-11-19 13:38:13,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d828207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:13, skipping insertion in model container [2021-11-19 13:38:13,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:13" (3/3) ... [2021-11-19 13:38:13,443 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2021-11-19 13:38:13,448 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 13:38:13,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:38:13,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-19 13:38:13,455 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 13:38:13,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,502 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,502 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,506 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,506 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,508 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,508 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,511 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,515 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,515 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,515 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,515 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,518 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,518 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,521 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,521 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,522 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,522 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,523 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,525 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,526 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,527 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,527 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,527 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,528 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,528 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,529 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,529 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,530 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,535 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,537 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,537 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,540 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,541 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,542 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,543 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,543 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,543 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,548 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,548 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,551 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,577 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,579 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,580 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,581 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:38:13,587 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-19 13:38:13,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:38:13,648 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 [2021-11-19 13:38:13,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-19 13:38:13,666 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 13:38:13,682 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 95 transitions, 198 flow [2021-11-19 13:38:13,690 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 95 transitions, 198 flow [2021-11-19 13:38:13,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 95 transitions, 198 flow [2021-11-19 13:38:13,776 INFO L129 PetriNetUnfolder]: 0/94 cut-off events. [2021-11-19 13:38:13,776 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 13:38:13,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 94 events. 0/94 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-19 13:38:13,783 INFO L116 LiptonReduction]: Number of co-enabled transitions 1612 [2021-11-19 13:38:25,673 INFO L131 LiptonReduction]: Checked pairs total: 10809 [2021-11-19 13:38:25,673 INFO L133 LiptonReduction]: Total number of compositions: 51 [2021-11-19 13:38:25,689 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-19 13:38:25,724 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2021-11-19 13:38:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2021-11-19 13:38:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:38:25,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:25,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:25,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:25,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:25,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1705080943, now seen corresponding path program 1 times [2021-11-19 13:38:25,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:25,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224517288] [2021-11-19 13:38:25,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:25,756 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:25,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:25,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:38:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:25,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:38:25,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:26,006 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 [2021-11-19 13:38:26,043 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:38:26,044 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 [2021-11-19 13:38:26,128 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-19 13:38:26,128 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 [2021-11-19 13:38:26,429 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-19 13:38:26,429 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 63 treesize of output 77 [2021-11-19 13:38:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:26,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:26,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:26,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224517288] [2021-11-19 13:38:26,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224517288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:26,812 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:26,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:38:26,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606381216] [2021-11-19 13:38:26,814 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:26,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:38:26,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:26,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:38:26,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:38:26,850 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-11-19 13:38:27,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:27,841 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2021-11-19 13:38:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:38:27,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 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 9 [2021-11-19 13:38:27,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:27,860 INFO L225 Difference]: With dead ends: 440 [2021-11-19 13:38:27,860 INFO L226 Difference]: Without dead ends: 440 [2021-11-19 13:38:27,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:38:27,864 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 34 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:27,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 44 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:38:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-19 13:38:27,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-11-19 13:38:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.9350961538461537) internal successors, (805), 425 states have internal predecessors, (805), 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) [2021-11-19 13:38:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2021-11-19 13:38:27,941 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2021-11-19 13:38:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:27,942 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2021-11-19 13:38:27,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-11-19 13:38:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2021-11-19 13:38:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:38:27,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:27,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:27,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:28,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:28,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash -712357707, now seen corresponding path program 1 times [2021-11-19 13:38:28,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:28,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556018931] [2021-11-19 13:38:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:28,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:28,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:28,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:38:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:28,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:38:28,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:28,316 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 [2021-11-19 13:38:28,342 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:38:28,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-11-19 13:38:28,422 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-19 13:38:28,422 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 44 treesize of output 52 [2021-11-19 13:38:28,582 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-19 13:38:28,583 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 71 treesize of output 85 [2021-11-19 13:38:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:28,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:28,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:28,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556018931] [2021-11-19 13:38:28,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556018931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:28,869 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:28,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:38:28,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655981901] [2021-11-19 13:38:28,870 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:28,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:38:28,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:28,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:38:28,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:38:28,872 INFO L87 Difference]: Start difference. First operand 426 states and 805 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 9 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) [2021-11-19 13:38:29,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:29,554 INFO L93 Difference]: Finished difference Result 577 states and 1096 transitions. [2021-11-19 13:38:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:38:29,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 9 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 9 [2021-11-19 13:38:29,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:29,562 INFO L225 Difference]: With dead ends: 577 [2021-11-19 13:38:29,562 INFO L226 Difference]: Without dead ends: 577 [2021-11-19 13:38:29,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 7 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:38:29,564 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 49 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:29,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 52 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 235 Invalid, 0 Unknown, 29 Unchecked, 0.5s Time] [2021-11-19 13:38:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2021-11-19 13:38:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 491. [2021-11-19 13:38:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 481 states have (on average 1.9355509355509355) internal successors, (931), 490 states have internal predecessors, (931), 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) [2021-11-19 13:38:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 931 transitions. [2021-11-19 13:38:29,598 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 931 transitions. Word has length 9 [2021-11-19 13:38:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:29,598 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 931 transitions. [2021-11-19 13:38:29,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 9 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) [2021-11-19 13:38:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 931 transitions. [2021-11-19 13:38:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 13:38:29,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:29,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:29,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:29,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:29,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash 564298507, now seen corresponding path program 1 times [2021-11-19 13:38:29,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:29,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406963577] [2021-11-19 13:38:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:29,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:29,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:29,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:38:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:29,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 13:38:29,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:30,067 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 [2021-11-19 13:38:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 13:38:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-19 13:38:30,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:30,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:30,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 54 [2021-11-19 13:38:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:30,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:30,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-11-19 13:38:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:30,836 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:30,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406963577] [2021-11-19 13:38:30,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406963577] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:30,837 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:30,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-19 13:38:30,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336115863] [2021-11-19 13:38:30,837 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:30,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 13:38:30,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:30,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 13:38:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:38:30,839 INFO L87 Difference]: Start difference. First operand 491 states and 931 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-19 13:38:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:32,370 INFO L93 Difference]: Finished difference Result 813 states and 1532 transitions. [2021-11-19 13:38:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:38:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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 12 [2021-11-19 13:38:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:32,382 INFO L225 Difference]: With dead ends: 813 [2021-11-19 13:38:32,382 INFO L226 Difference]: Without dead ends: 813 [2021-11-19 13:38:32,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:38:32,383 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 218 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:32,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 41 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 13:38:32,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-11-19 13:38:32,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 526. [2021-11-19 13:38:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 516 states have (on average 1.9593023255813953) internal successors, (1011), 525 states have internal predecessors, (1011), 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) [2021-11-19 13:38:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1011 transitions. [2021-11-19 13:38:32,411 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1011 transitions. Word has length 12 [2021-11-19 13:38:32,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:32,411 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1011 transitions. [2021-11-19 13:38:32,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-19 13:38:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1011 transitions. [2021-11-19 13:38:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 13:38:32,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:32,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:32,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:32,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:32,617 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash 564277117, now seen corresponding path program 2 times [2021-11-19 13:38:32,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:32,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024713909] [2021-11-19 13:38:32,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 13:38:32,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:32,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:32,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:38:32,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-19 13:38:32,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:38:32,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 13:38:32,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:32,870 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 [2021-11-19 13:38:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:32,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2021-11-19 13:38:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:32,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:32,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2021-11-19 13:38:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:33,031 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:33,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2021-11-19 13:38:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:33,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:37,403 INFO L354 Elim1Store]: treesize reduction 98, result has 23.4 percent of original size [2021-11-19 13:38:37,403 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 48 [2021-11-19 13:38:37,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:37,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 48 [2021-11-19 13:38:37,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-11-19 13:38:37,520 INFO L354 Elim1Store]: treesize reduction 23, result has 62.3 percent of original size [2021-11-19 13:38:37,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 76 [2021-11-19 13:38:37,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:37,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:37,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:37,732 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-19 13:38:37,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 1 [2021-11-19 13:38:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:37,853 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:37,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024713909] [2021-11-19 13:38:37,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024713909] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:37,853 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:37,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-19 13:38:37,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588809978] [2021-11-19 13:38:37,853 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:37,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 13:38:37,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:37,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 13:38:37,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:38:37,854 INFO L87 Difference]: Start difference. First operand 526 states and 1011 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-19 13:38:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:38,952 INFO L93 Difference]: Finished difference Result 773 states and 1458 transitions. [2021-11-19 13:38:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:38:38,953 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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 12 [2021-11-19 13:38:38,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:38,959 INFO L225 Difference]: With dead ends: 773 [2021-11-19 13:38:38,959 INFO L226 Difference]: Without dead ends: 773 [2021-11-19 13:38:38,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:38:38,961 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 315 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:38,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 29 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:38:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-11-19 13:38:38,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 532. [2021-11-19 13:38:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 522 states have (on average 1.9597701149425288) internal successors, (1023), 531 states have internal predecessors, (1023), 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) [2021-11-19 13:38:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 1023 transitions. [2021-11-19 13:38:38,985 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 1023 transitions. Word has length 12 [2021-11-19 13:38:38,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:38,985 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 1023 transitions. [2021-11-19 13:38:38,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-19 13:38:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1023 transitions. [2021-11-19 13:38:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:38:38,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:38,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:39,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:39,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:39,214 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:39,215 INFO L85 PathProgramCache]: Analyzing trace with hash 293058652, now seen corresponding path program 1 times [2021-11-19 13:38:39,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:39,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579803749] [2021-11-19 13:38:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:39,216 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:39,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:39,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:39,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:38:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:39,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 13:38:39,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:39,471 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 [2021-11-19 13:38:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 13:38:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-19 13:38:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:39,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2021-11-19 13:38:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:39,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:40,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 94 [2021-11-19 13:38:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:40,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:40,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:40,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-11-19 13:38:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:40,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:40,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579803749] [2021-11-19 13:38:40,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579803749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:40,164 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:40,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-19 13:38:40,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998806447] [2021-11-19 13:38:40,164 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:40,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 13:38:40,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:40,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 13:38:40,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:38:40,166 INFO L87 Difference]: Start difference. First operand 532 states and 1023 transitions. Second operand has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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) [2021-11-19 13:38:41,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:41,238 INFO L93 Difference]: Finished difference Result 877 states and 1695 transitions. [2021-11-19 13:38:41,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:38:41,239 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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 13 [2021-11-19 13:38:41,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:41,246 INFO L225 Difference]: With dead ends: 877 [2021-11-19 13:38:41,246 INFO L226 Difference]: Without dead ends: 877 [2021-11-19 13:38:41,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:38:41,247 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 292 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:41,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 31 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:38:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-19 13:38:41,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 543. [2021-11-19 13:38:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 533 states have (on average 1.9643527204502815) internal successors, (1047), 542 states have internal predecessors, (1047), 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) [2021-11-19 13:38:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1047 transitions. [2021-11-19 13:38:41,271 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1047 transitions. Word has length 13 [2021-11-19 13:38:41,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:41,271 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 1047 transitions. [2021-11-19 13:38:41,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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) [2021-11-19 13:38:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1047 transitions. [2021-11-19 13:38:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:38:41,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:41,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:41,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:41,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:41,486 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:38:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:41,487 INFO L85 PathProgramCache]: Analyzing trace with hash 293031682, now seen corresponding path program 2 times [2021-11-19 13:38:41,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:41,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067123419] [2021-11-19 13:38:41,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 13:38:41,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:41,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:41,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:41,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:38:41,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-19 13:38:41,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:38:41,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 13:38:41,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:41,711 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 [2021-11-19 13:38:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-19 13:38:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,801 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:41,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-19 13:38:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:41,855 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2021-11-19 13:38:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:41,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:48,304 WARN L227 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 13:38:48,305 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-19 13:38:48,306 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 50 [2021-11-19 13:38:48,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:48,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 50 [2021-11-19 13:38:48,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:48,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-11-19 13:38:48,461 INFO L354 Elim1Store]: treesize reduction 16, result has 76.1 percent of original size [2021-11-19 13:38:48,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 94 [2021-11-19 13:38:49,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:49,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,161 WARN L227 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 26 DAG size of output: 22 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 13:38:59,161 INFO L354 Elim1Store]: treesize reduction 26, result has 53.6 percent of original size [2021-11-19 13:38:59,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 46 [2021-11-19 13:38:59,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2021-11-19 13:38:59,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:38:59,207 INFO L354 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2021-11-19 13:38:59,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 24 [2021-11-19 13:38:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:38:59,300 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:59,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067123419] [2021-11-19 13:38:59,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067123419] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:59,300 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:59,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-19 13:38:59,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939973400] [2021-11-19 13:38:59,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:59,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 13:38:59,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:59,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 13:38:59,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:38:59,302 INFO L87 Difference]: Start difference. First operand 543 states and 1047 transitions. Second operand has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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) [2021-11-19 13:39:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:00,471 INFO L93 Difference]: Finished difference Result 784 states and 1493 transitions. [2021-11-19 13:39:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:39:00,472 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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 13 [2021-11-19 13:39:00,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:00,478 INFO L225 Difference]: With dead ends: 784 [2021-11-19 13:39:00,478 INFO L226 Difference]: Without dead ends: 784 [2021-11-19 13:39:00,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:39:00,479 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 197 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:00,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 35 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 13:39:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-11-19 13:39:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 539. [2021-11-19 13:39:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 529 states have (on average 1.9640831758034027) internal successors, (1039), 538 states have internal predecessors, (1039), 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) [2021-11-19 13:39:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1039 transitions. [2021-11-19 13:39:00,505 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1039 transitions. Word has length 13 [2021-11-19 13:39:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:00,506 INFO L470 AbstractCegarLoop]: Abstraction has 539 states and 1039 transitions. [2021-11-19 13:39:00,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 15 states have internal predecessors, (26), 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) [2021-11-19 13:39:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1039 transitions. [2021-11-19 13:39:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:39:00,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:00,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:00,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-19 13:39:00,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:00,725 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:39:00,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:00,725 INFO L85 PathProgramCache]: Analyzing trace with hash 469021418, now seen corresponding path program 1 times [2021-11-19 13:39:00,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:00,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031789034] [2021-11-19 13:39:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:00,726 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:00,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:00,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:39:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:00,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 13:39:00,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:00,958 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 [2021-11-19 13:39:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:00,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-19 13:39:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-11-19 13:39:01,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-11-19 13:39:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:39:01,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 56 [2021-11-19 13:39:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:01,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:01,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 120 [2021-11-19 13:39:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:01,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:39:01,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:39:01,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:39:01,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-11-19 13:39:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:01,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:01,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031789034] [2021-11-19 13:39:01,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031789034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:01,976 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:01,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 16 [2021-11-19 13:39:01,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099378770] [2021-11-19 13:39:01,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:01,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 13:39:01,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:01,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 13:39:01,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:39:01,977 INFO L87 Difference]: Start difference. First operand 539 states and 1039 transitions. Second operand has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 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) [2021-11-19 13:39:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:03,118 INFO L93 Difference]: Finished difference Result 802 states and 1534 transitions. [2021-11-19 13:39:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:39:03,119 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-19 13:39:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:03,124 INFO L225 Difference]: With dead ends: 802 [2021-11-19 13:39:03,124 INFO L226 Difference]: Without dead ends: 802 [2021-11-19 13:39:03,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2021-11-19 13:39:03,125 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 259 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:03,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 34 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 13:39:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2021-11-19 13:39:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 491. [2021-11-19 13:39:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 481 states have (on average 1.9604989604989604) internal successors, (943), 490 states have internal predecessors, (943), 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) [2021-11-19 13:39:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 943 transitions. [2021-11-19 13:39:03,144 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 943 transitions. Word has length 14 [2021-11-19 13:39:03,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:03,145 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 943 transitions. [2021-11-19 13:39:03,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 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) [2021-11-19 13:39:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 943 transitions. [2021-11-19 13:39:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:39:03,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:03,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:03,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:03,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:03,363 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:39:03,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 94324042, now seen corresponding path program 1 times [2021-11-19 13:39:03,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:03,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294534327] [2021-11-19 13:39:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:03,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:03,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:39:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:03,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:39:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:03,474 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 [2021-11-19 13:39:03,491 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:39:03,491 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 [2021-11-19 13:39:03,535 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-19 13:39:03,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 51 [2021-11-19 13:39:03,627 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-19 13:39:03,627 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 64 treesize of output 78 [2021-11-19 13:39:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:03,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:03,800 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:03,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294534327] [2021-11-19 13:39:03,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294534327] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:03,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:03,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:39:03,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019209604] [2021-11-19 13:39:03,800 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:03,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:39:03,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:03,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:39:03,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:39:03,801 INFO L87 Difference]: Start difference. First operand 491 states and 943 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-19 13:39:04,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:04,123 INFO L93 Difference]: Finished difference Result 556 states and 1068 transitions. [2021-11-19 13:39:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:39:04,123 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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 15 [2021-11-19 13:39:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:04,127 INFO L225 Difference]: With dead ends: 556 [2021-11-19 13:39:04,127 INFO L226 Difference]: Without dead ends: 556 [2021-11-19 13:39:04,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:39:04,128 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 34 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:04,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 37 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 25 Unchecked, 0.3s Time] [2021-11-19 13:39:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-11-19 13:39:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 539. [2021-11-19 13:39:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 529 states have (on average 1.9565217391304348) internal successors, (1035), 538 states have internal predecessors, (1035), 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) [2021-11-19 13:39:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1035 transitions. [2021-11-19 13:39:04,145 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1035 transitions. Word has length 15 [2021-11-19 13:39:04,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:04,146 INFO L470 AbstractCegarLoop]: Abstraction has 539 states and 1035 transitions. [2021-11-19 13:39:04,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-19 13:39:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1035 transitions. [2021-11-19 13:39:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:39:04,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:04,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:04,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:04,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:04,361 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:39:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747327, now seen corresponding path program 1 times [2021-11-19 13:39:04,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:04,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886222018] [2021-11-19 13:39:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:04,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:04,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:04,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:04,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:39:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:04,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:39:04,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:04,464 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 [2021-11-19 13:39:04,491 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:39:04,492 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 [2021-11-19 13:39:04,540 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-19 13:39:04,544 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 [2021-11-19 13:39:04,615 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-19 13:39:04,615 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 67 treesize of output 81 [2021-11-19 13:39:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:04,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:39:04,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:04,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886222018] [2021-11-19 13:39:04,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886222018] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:04,833 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:04,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-19 13:39:04,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395034384] [2021-11-19 13:39:04,834 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:04,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:39:04,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:04,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:39:04,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=20, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:39:04,835 INFO L87 Difference]: Start difference. First operand 539 states and 1035 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-11-19 13:39:05,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:05,378 INFO L93 Difference]: Finished difference Result 640 states and 1231 transitions. [2021-11-19 13:39:05,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:39:05,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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 15 [2021-11-19 13:39:05,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:05,382 INFO L225 Difference]: With dead ends: 640 [2021-11-19 13:39:05,382 INFO L226 Difference]: Without dead ends: 627 [2021-11-19 13:39:05,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=20, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:39:05,383 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:05,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 56 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 13:39:05,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-11-19 13:39:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 601. [2021-11-19 13:39:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 591 states have (on average 1.9526226734348562) internal successors, (1154), 600 states have internal predecessors, (1154), 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) [2021-11-19 13:39:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1154 transitions. [2021-11-19 13:39:05,417 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1154 transitions. Word has length 15 [2021-11-19 13:39:05,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:05,417 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1154 transitions. [2021-11-19 13:39:05,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-11-19 13:39:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1154 transitions. [2021-11-19 13:39:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 13:39:05,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:05,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:05,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:05,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:05,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:39:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:05,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1481969777, now seen corresponding path program 1 times [2021-11-19 13:39:05,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:05,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703917114] [2021-11-19 13:39:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:05,637 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:05,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:05,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 13:39:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:39:05,773 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 13:39:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:39:05,939 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-19 13:39:05,940 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 13:39:05,941 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-19 13:39:05,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-19 13:39:05,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-19 13:39:05,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2021-11-19 13:39:05,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2021-11-19 13:39:05,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-19 13:39:05,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-19 13:39:05,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-19 13:39:05,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:06,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:06,146 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:06,156 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 13:39:06,156 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:39:06,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:39:06 BasicIcfg [2021-11-19 13:39:06,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:39:06,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:39:06,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:39:06,214 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:39:06,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:13" (3/4) ... [2021-11-19 13:39:06,217 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 13:39:06,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:39:06,218 INFO L158 Benchmark]: Toolchain (without parser) took 54272.25ms. Allocated memory was 54.5MB in the beginning and 125.8MB in the end (delta: 71.3MB). Free memory was 29.6MB in the beginning and 83.6MB in the end (delta: -54.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,218 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:39:06,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.02ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 41.1MB in the end (delta: -11.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.92ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,220 INFO L158 Benchmark]: Boogie Preprocessor took 35.21ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 36.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,221 INFO L158 Benchmark]: RCFGBuilder took 512.85ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 38.1MB in the end (delta: -1.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,221 INFO L158 Benchmark]: TraceAbstraction took 52776.45ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 37.5MB in the beginning and 83.6MB in the end (delta: -46.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-19 13:39:06,221 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 125.8MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:39:06,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.02ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.4MB in the beginning and 41.1MB in the end (delta: -11.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.92ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.21ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 36.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.85ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 38.1MB in the end (delta: -1.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 52776.45ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 37.5MB in the beginning and 83.6MB in the end (delta: -46.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 125.8MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0s, 99 PlacesBefore, 48 PlacesAfterwards, 95 TransitionsBefore, 44 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 10809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3312, positive: 2806, positive conditional: 0, positive unconditional: 2806, negative: 506, negative conditional: 0, negative unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 975, positive: 888, positive conditional: 0, positive unconditional: 888, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 975, positive: 790, positive conditional: 0, positive unconditional: 790, negative: 185, negative conditional: 0, negative unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 185, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1316, positive: 507, positive conditional: 0, positive unconditional: 507, negative: 809, negative conditional: 0, negative unconditional: 809, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3312, positive: 1918, positive conditional: 0, positive unconditional: 1918, negative: 419, negative conditional: 0, negative unconditional: 419, unknown: 975, unknown conditional: 0, unknown unconditional: 975] , Statistics on independence cache: Total cache size (in pairs): 363, Positive cache size: 298, Positive conditional cache size: 0, Positive unconditional cache size: 298, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - 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 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 pthread_t id; [L928] 0 int i; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={2:0}, i={2:0}, id={6:0}, mutex1={7:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=0] [L931] EXPR 0 \read(i) VAL [\read(i)=0, arg={2:0}, i={2:0}, id={6:0}, mutex1={7:0}, mutex2={3:0}] [L920] 1 int *p = (int *) arg; [L922] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={2:0}, arg={2:0}, mutex1={7:0}, mutex2={3:0}, p={2:0}] [L922] 1 (*p)++ VAL [(*p)++=0, (*p)++=-1, \read(*p)=0, arg={2:0}, arg={2:0}, mutex1={7:0}, mutex2={3:0}, p={2:0}] [L931] 0 i++ VAL [(*p)++=-1, (*p)++=0, \read(*p)=0, \read(i)=0, arg={2:0}, arg={2:0}, i={2:0}, id={6:0}, mutex1={7:0}, mutex2={3:0}, p={2:0}] [L922] 1 (*p)++ VAL [(*p)++=0, (*p)++=-1, \read(*p)=0, arg={2:0}, arg={2:0}, mutex1={7:0}, mutex2={3:0}, p={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: (*p)++ [922] * C: (*p)++ [922] * C: i++ [931] * C: (*p)++ [922] * C: (*p)++ [922] and C: (*p)++ [922] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 124 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 52.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1444 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1444 mSDsluCounter, 359 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 54 IncrementalHoareTripleChecker+Unchecked, 424 mSDsCounter, 681 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3720 IncrementalHoareTripleChecker+Invalid, 4455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 681 mSolverCounterUnsat, 209 mSDtfsCounter, 3720 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 107 SyntacticMatches, 19 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 8 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=601occurred in iteration=9, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1561 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 27.9s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 206 ConstructedInterpolants, 8 QuantifiedInterpolants, 4413 SizeOfPredicates, 39 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 13:39:06,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82934530-a373-4852-9660-f438eb17be4b/bin/utaipan-UbGMyvGFUs/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE