./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/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_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:29:07,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:29:07,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:29:07,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:29:07,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:29:07,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:29:07,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:29:07,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:29:07,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:29:07,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:29:07,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:29:07,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:29:07,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:29:07,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:29:07,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:29:07,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:29:07,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:29:07,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:29:07,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:29:07,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:29:07,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:29:07,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:29:07,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:29:07,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:29:07,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:29:07,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:29:07,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:29:07,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:29:07,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:29:07,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:29:07,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:29:07,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:29:07,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:29:07,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:29:07,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:29:07,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:29:07,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:29:07,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:29:07,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:29:07,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:29:07,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:29:07,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-13 01:29:07,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:29:07,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:29:07,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:29:07,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:29:07,913 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:29:07,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:29:07,914 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:29:07,914 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:29:07,914 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:29:07,914 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:29:07,915 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:29:07,915 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:29:07,915 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:29:07,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:29:07,915 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:29:07,916 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:29:07,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:29:07,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:29:07,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:29:07,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:29:07,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:29:07,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:29:07,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:29:07,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:29:07,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:29:07,918 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 01:29:07,918 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:29:07,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:29:07,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:29:07,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:29:07,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:29:07,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:29:07,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:29:07,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:29:07,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:29:07,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:29:07,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:29:07,921 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:29:07,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:29:07,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:29:07,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:29:07,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:29:07,922 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_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2021-11-13 01:29:08,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:29:08,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:29:08,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:29:08,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:29:08,196 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:29:08,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-13 01:29:08,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/5e0e7c2a0/0f645916b4c341d1b9a42f9667d47ed1/FLAGad5e3cc88 [2021-11-13 01:29:08,868 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:29:08,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-13 01:29:08,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/5e0e7c2a0/0f645916b4c341d1b9a42f9667d47ed1/FLAGad5e3cc88 [2021-11-13 01:29:09,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/5e0e7c2a0/0f645916b4c341d1b9a42f9667d47ed1 [2021-11-13 01:29:09,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:29:09,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:29:09,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:09,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:29:09,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:29:09,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:09" (1/1) ... [2021-11-13 01:29:09,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7009b631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:09, skipping insertion in model container [2021-11-13 01:29:09,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:09" (1/1) ... [2021-11-13 01:29:09,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:29:09,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:29:09,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:09,738 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) [2021-11-13 01:29:09,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@544abf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:09, skipping insertion in model container [2021-11-13 01:29:09,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:09,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:29:09,742 INFO L158 Benchmark]: Toolchain (without parser) took 575.30ms. Allocated memory is still 132.1MB. Free memory was 102.1MB in the beginning and 102.7MB in the end (delta: -670.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 01:29:09,742 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:09,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.86ms. Allocated memory is still 132.1MB. Free memory was 101.8MB in the beginning and 102.7MB in the end (delta: -967.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 01:29:09,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.86ms. Allocated memory is still 132.1MB. Free memory was 101.8MB in the beginning and 102.7MB in the end (delta: -967.7kB). 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_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/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_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:29:11,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:29:11,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:29:11,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:29:11,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:29:11,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:29:11,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:29:11,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:29:11,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:29:11,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:29:11,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:29:11,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:29:11,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:29:11,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:29:11,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:29:11,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:29:11,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:29:11,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:29:11,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:29:12,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:29:12,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:29:12,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:29:12,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:29:12,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:29:12,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:29:12,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:29:12,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:29:12,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:29:12,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:29:12,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:29:12,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:29:12,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:29:12,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:29:12,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:29:12,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:29:12,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:29:12,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:29:12,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:29:12,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:29:12,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:29:12,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:29:12,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-13 01:29:12,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:29:12,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:29:12,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:29:12,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:29:12,073 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:29:12,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:29:12,073 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:29:12,073 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:29:12,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:29:12,074 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:29:12,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:29:12,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:29:12,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:29:12,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:29:12,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:29:12,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:29:12,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:29:12,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:29:12,077 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 01:29:12,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:29:12,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:29:12,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:29:12,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:29:12,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:29:12,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:29:12,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:29:12,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:29:12,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:29:12,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:29:12,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:29:12,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:29:12,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:29:12,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:29:12,082 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:29:12,082 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:29:12,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:29:12,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:29:12,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:29:12,084 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_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2021-11-13 01:29:12,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:29:12,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:29:12,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:29:12,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:29:12,492 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:29:12,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-13 01:29:12,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/bf9f87356/27ed9b7092c74217b25afaec59295c5d/FLAG744a64ec7 [2021-11-13 01:29:13,266 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:29:13,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-13 01:29:13,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/bf9f87356/27ed9b7092c74217b25afaec59295c5d/FLAG744a64ec7 [2021-11-13 01:29:13,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/data/bf9f87356/27ed9b7092c74217b25afaec59295c5d [2021-11-13 01:29:13,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:29:13,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:29:13,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:13,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:29:13,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:29:13,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:13" (1/1) ... [2021-11-13 01:29:13,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957756f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:13, skipping insertion in model container [2021-11-13 01:29:13,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:13" (1/1) ... [2021-11-13 01:29:13,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:29:13,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:29:14,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:14,132 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:29:14,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:29:14,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:14,178 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:29:14,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:14,299 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:29:14,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14 WrapperNode [2021-11-13 01:29:14,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:14,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:29:14,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:29:14,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:29:14,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:29:14,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:29:14,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:29:14,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:29:14,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:29:14,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:29:14,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:29:14,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:29:14,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (1/1) ... [2021-11-13 01:29:14,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:29:14,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:29:14,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:29:14,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:29:14,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:29:14,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:29:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:29:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:29:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:29:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 01:29:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 01:29:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 01:29:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:29:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:29:14,536 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 01:29:15,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:29:15,094 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:29:15,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:15 BoogieIcfgContainer [2021-11-13 01:29:15,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:29:15,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:29:15,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:29:15,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:29:15,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:29:13" (1/3) ... [2021-11-13 01:29:15,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b453da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:15, skipping insertion in model container [2021-11-13 01:29:15,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:14" (2/3) ... [2021-11-13 01:29:15,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b453da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:15, skipping insertion in model container [2021-11-13 01:29:15,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:15" (3/3) ... [2021-11-13 01:29:15,115 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2021-11-13 01:29:15,121 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 01:29:15,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:29:15,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-13 01:29:15,122 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 01:29:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,174 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,174 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,174 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,176 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,177 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,178 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,178 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,179 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,179 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,183 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,186 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,186 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,190 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,190 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,192 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,192 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,193 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,193 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,194 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,194 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,195 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,195 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,195 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,196 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,196 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,197 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,203 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,204 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,204 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,211 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,211 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,213 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,214 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,222 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,227 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,227 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,228 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:29:15,232 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 01:29:15,279 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:29:15,286 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 [2021-11-13 01:29:15,286 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-13 01:29:15,301 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 01:29:15,314 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 95 transitions, 198 flow [2021-11-13 01:29:15,318 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 95 transitions, 198 flow [2021-11-13 01:29:15,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 95 transitions, 198 flow [2021-11-13 01:29:15,366 INFO L129 PetriNetUnfolder]: 0/94 cut-off events. [2021-11-13 01:29:15,366 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 01:29:15,368 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. [2021-11-13 01:29:15,371 INFO L116 LiptonReduction]: Number of co-enabled transitions 1612 [2021-11-13 01:29:28,150 INFO L131 LiptonReduction]: Checked pairs total: 10809 [2021-11-13 01:29:28,151 INFO L133 LiptonReduction]: Total number of compositions: 51 [2021-11-13 01:29:28,159 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-13 01:29:28,194 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) [2021-11-13 01:29:28,198 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) [2021-11-13 01:29:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:29:28,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:28,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:28,205 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)] === [2021-11-13 01:29:28,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:28,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1705080943, now seen corresponding path program 1 times [2021-11-13 01:29:28,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:28,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117176092] [2021-11-13 01:29:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:28,224 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:28,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:28,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:28,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:29:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:28,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:29:28,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:28,539 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 [2021-11-13 01:29:28,622 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:29:28,622 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 [2021-11-13 01:29:28,727 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-13 01:29:28,728 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 [2021-11-13 01:29:28,978 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-13 01:29:28,979 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 [2021-11-13 01:29:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:29,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:29,320 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:29,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117176092] [2021-11-13 01:29:29,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117176092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:29,321 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:29,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 01:29:29,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485716438] [2021-11-13 01:29:29,324 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:29,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:29:29,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:29:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:29:29,360 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) [2021-11-13 01:29:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:30,363 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2021-11-13 01:29:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:29:30,366 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 [2021-11-13 01:29:30,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:30,384 INFO L225 Difference]: With dead ends: 440 [2021-11-13 01:29:30,388 INFO L226 Difference]: Without dead ends: 440 [2021-11-13 01:29:30,389 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 [2021-11-13 01:29:30,399 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 34 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 764.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.16ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 896.75ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:30,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 44 Invalid, 376 Unknown, 0 Unchecked, 7.16ms Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 896.75ms Time] [2021-11-13 01:29:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-13 01:29:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-11-13 01:29:30,511 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) [2021-11-13 01:29:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2021-11-13 01:29:30,519 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2021-11-13 01:29:30,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:30,520 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2021-11-13 01:29:30,520 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) [2021-11-13 01:29:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2021-11-13 01:29:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:29:30,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:30,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:30,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:30,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:30,740 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)] === [2021-11-13 01:29:30,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -712357707, now seen corresponding path program 1 times [2021-11-13 01:29:30,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:30,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817962055] [2021-11-13 01:29:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:30,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:30,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:30,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:30,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:29:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:30,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:29:30,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:30,887 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 [2021-11-13 01:29:30,926 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:29:30,926 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 [2021-11-13 01:29:31,044 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-13 01:29:31,045 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 [2021-11-13 01:29:31,237 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-13 01:29:31,238 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 [2021-11-13 01:29:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:31,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:31,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:31,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817962055] [2021-11-13 01:29:31,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817962055] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:31,539 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:31,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 01:29:31,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136212493] [2021-11-13 01:29:31,540 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:31,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 01:29:31,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:31,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 01:29:31,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:29:31,542 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) [2021-11-13 01:29:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:32,189 INFO L93 Difference]: Finished difference Result 577 states and 1096 transitions. [2021-11-13 01:29:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:29:32,190 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 [2021-11-13 01:29:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:32,196 INFO L225 Difference]: With dead ends: 577 [2021-11-13 01:29:32,197 INFO L226 Difference]: Without dead ends: 577 [2021-11-13 01:29:32,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 7 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:29:32,199 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 49 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 424.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.61ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 497.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:32,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 52 Invalid, 285 Unknown, 0 Unchecked, 3.61ms Time], IncrementalHoareTripleChecker [21 Valid, 235 Invalid, 0 Unknown, 29 Unchecked, 497.08ms Time] [2021-11-13 01:29:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2021-11-13 01:29:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 491. [2021-11-13 01:29:32,221 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) [2021-11-13 01:29:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 931 transitions. [2021-11-13 01:29:32,224 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 931 transitions. Word has length 9 [2021-11-13 01:29:32,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:32,224 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 931 transitions. [2021-11-13 01:29:32,225 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) [2021-11-13 01:29:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 931 transitions. [2021-11-13 01:29:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:29:32,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:32,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:32,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:32,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:32,439 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)] === [2021-11-13 01:29:32,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:32,440 INFO L85 PathProgramCache]: Analyzing trace with hash 564298507, now seen corresponding path program 1 times [2021-11-13 01:29:32,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:32,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695005324] [2021-11-13 01:29:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:32,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:32,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:32,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:32,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:29:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:32,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 01:29:32,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:32,689 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 [2021-11-13 01:29:32,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,736 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 [2021-11-13 01:29:32,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,805 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 [2021-11-13 01:29:32,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:32,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:32,900 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 [2021-11-13 01:29:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:32,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:33,317 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 [2021-11-13 01:29:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:33,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:33,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695005324] [2021-11-13 01:29:33,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695005324] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:33,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:33,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-13 01:29:33,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546583014] [2021-11-13 01:29:33,431 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:33,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 01:29:33,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:33,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 01:29:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:29:33,432 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) [2021-11-13 01:29:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:34,899 INFO L93 Difference]: Finished difference Result 813 states and 1532 transitions. [2021-11-13 01:29:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:29:34,900 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 [2021-11-13 01:29:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:34,906 INFO L225 Difference]: With dead ends: 813 [2021-11-13 01:29:34,906 INFO L226 Difference]: Without dead ends: 813 [2021-11-13 01:29:34,907 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 [2021-11-13 01:29:34,908 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 218 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1079.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.70ms SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1284.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:34,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 41 Invalid, 826 Unknown, 0 Unchecked, 6.70ms Time], IncrementalHoareTripleChecker [95 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1284.33ms Time] [2021-11-13 01:29:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-11-13 01:29:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 526. [2021-11-13 01:29:34,929 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) [2021-11-13 01:29:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1011 transitions. [2021-11-13 01:29:34,933 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1011 transitions. Word has length 12 [2021-11-13 01:29:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:34,933 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1011 transitions. [2021-11-13 01:29:34,933 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) [2021-11-13 01:29:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1011 transitions. [2021-11-13 01:29:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:29:34,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:34,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:34,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:35,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:35,149 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)] === [2021-11-13 01:29:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash 564277117, now seen corresponding path program 2 times [2021-11-13 01:29:35,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:35,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205508126] [2021-11-13 01:29:35,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 01:29:35,151 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:35,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:35,152 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:35,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:29:35,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 01:29:35,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:29:35,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 01:29:35,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:35,392 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 [2021-11-13 01:29:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,445 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 [2021-11-13 01:29:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:35,509 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 [2021-11-13 01:29:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:35,562 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:35,562 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 [2021-11-13 01:29:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:35,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:39,931 INFO L354 Elim1Store]: treesize reduction 98, result has 23.4 percent of original size [2021-11-13 01:29:39,931 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 [2021-11-13 01:29:39,943 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:39,944 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 [2021-11-13 01:29:39,964 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 [2021-11-13 01:29:40,055 INFO L354 Elim1Store]: treesize reduction 23, result has 62.3 percent of original size [2021-11-13 01:29:40,056 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 [2021-11-13 01:29:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:40,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:40,233 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-13 01:29:40,234 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 [2021-11-13 01:29:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:40,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:40,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205508126] [2021-11-13 01:29:40,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205508126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:40,330 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:40,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-13 01:29:40,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894498724] [2021-11-13 01:29:40,330 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:40,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 01:29:40,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 01:29:40,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:29:40,332 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) [2021-11-13 01:29:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:41,403 INFO L93 Difference]: Finished difference Result 773 states and 1458 transitions. [2021-11-13 01:29:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:29:41,404 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 [2021-11-13 01:29:41,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:41,410 INFO L225 Difference]: With dead ends: 773 [2021-11-13 01:29:41,410 INFO L226 Difference]: Without dead ends: 773 [2021-11-13 01:29:41,410 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 [2021-11-13 01:29:41,412 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 315 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 750.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.86ms SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 863.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:41,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 29 Invalid, 544 Unknown, 0 Unchecked, 4.86ms Time], IncrementalHoareTripleChecker [157 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 863.57ms Time] [2021-11-13 01:29:41,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-11-13 01:29:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 532. [2021-11-13 01:29:41,431 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) [2021-11-13 01:29:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 1023 transitions. [2021-11-13 01:29:41,434 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 1023 transitions. Word has length 12 [2021-11-13 01:29:41,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:41,435 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 1023 transitions. [2021-11-13 01:29:41,435 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) [2021-11-13 01:29:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1023 transitions. [2021-11-13 01:29:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 01:29:41,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:41,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:41,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:41,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:41,650 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)] === [2021-11-13 01:29:41,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:41,651 INFO L85 PathProgramCache]: Analyzing trace with hash 293058652, now seen corresponding path program 1 times [2021-11-13 01:29:41,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:41,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397962126] [2021-11-13 01:29:41,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:41,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:41,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:41,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:29:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:41,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 01:29:41,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:41,874 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 [2021-11-13 01:29:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:41,914 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 [2021-11-13 01:29:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:41,968 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 [2021-11-13 01:29:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,029 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:42,030 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 [2021-11-13 01:29:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:42,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:42,419 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 [2021-11-13 01:29:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:42,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:42,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:42,447 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 [2021-11-13 01:29:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:42,554 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:42,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397962126] [2021-11-13 01:29:42,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397962126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:42,555 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:42,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-13 01:29:42,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573998972] [2021-11-13 01:29:42,555 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:42,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 01:29:42,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:42,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 01:29:42,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:29:42,557 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) [2021-11-13 01:29:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:43,666 INFO L93 Difference]: Finished difference Result 877 states and 1695 transitions. [2021-11-13 01:29:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:29:43,667 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 [2021-11-13 01:29:43,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:43,673 INFO L225 Difference]: With dead ends: 877 [2021-11-13 01:29:43,673 INFO L226 Difference]: Without dead ends: 877 [2021-11-13 01:29:43,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:29:43,675 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 292 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 754.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.48ms SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 912.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:43,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 31 Invalid, 598 Unknown, 0 Unchecked, 4.48ms Time], IncrementalHoareTripleChecker [154 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 912.08ms Time] [2021-11-13 01:29:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-13 01:29:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 543. [2021-11-13 01:29:43,694 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) [2021-11-13 01:29:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1047 transitions. [2021-11-13 01:29:43,697 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1047 transitions. Word has length 13 [2021-11-13 01:29:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:43,697 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 1047 transitions. [2021-11-13 01:29:43,697 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) [2021-11-13 01:29:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1047 transitions. [2021-11-13 01:29:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 01:29:43,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:43,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:43,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:43,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:43,917 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)] === [2021-11-13 01:29:43,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:43,917 INFO L85 PathProgramCache]: Analyzing trace with hash 293031682, now seen corresponding path program 2 times [2021-11-13 01:29:43,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:43,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768034298] [2021-11-13 01:29:43,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 01:29:43,918 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:43,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:43,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:29:44,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 01:29:44,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:29:44,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 01:29:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:44,116 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 [2021-11-13 01:29:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,169 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 [2021-11-13 01:29:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:44,209 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 [2021-11-13 01:29:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:29:44,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:44,264 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 [2021-11-13 01:29:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:44,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:50,585 WARN L227 SmtUtils]: Spent 6.05s 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) [2021-11-13 01:29:50,585 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-13 01:29:50,586 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 [2021-11-13 01:29:50,597 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:50,597 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 [2021-11-13 01:29:50,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:50,622 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 [2021-11-13 01:29:50,723 INFO L354 Elim1Store]: treesize reduction 16, result has 76.1 percent of original size [2021-11-13 01:29:50,723 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 [2021-11-13 01:29:51,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:29:51,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,419 WARN L227 SmtUtils]: Spent 10.10s 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) [2021-11-13 01:30:01,419 INFO L354 Elim1Store]: treesize reduction 26, result has 53.6 percent of original size [2021-11-13 01:30:01,420 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 [2021-11-13 01:30:01,426 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 [2021-11-13 01:30:01,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:01,452 INFO L354 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2021-11-13 01:30:01,452 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 [2021-11-13 01:30:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:01,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:30:01,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768034298] [2021-11-13 01:30:01,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768034298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:30:01,535 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:30:01,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2021-11-13 01:30:01,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726076923] [2021-11-13 01:30:01,536 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:30:01,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 01:30:01,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:30:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 01:30:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:30:01,537 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) [2021-11-13 01:30:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:30:02,689 INFO L93 Difference]: Finished difference Result 784 states and 1493 transitions. [2021-11-13 01:30:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:30:02,690 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 [2021-11-13 01:30:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:30:02,695 INFO L225 Difference]: With dead ends: 784 [2021-11-13 01:30:02,695 INFO L226 Difference]: Without dead ends: 784 [2021-11-13 01:30:02,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:30:02,696 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 197 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 834.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.86ms SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 972.15ms IncrementalHoareTripleChecker+Time [2021-11-13 01:30:02,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 35 Invalid, 643 Unknown, 0 Unchecked, 3.86ms Time], IncrementalHoareTripleChecker [99 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 972.15ms Time] [2021-11-13 01:30:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-11-13 01:30:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 539. [2021-11-13 01:30:02,714 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) [2021-11-13 01:30:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1039 transitions. [2021-11-13 01:30:02,717 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1039 transitions. Word has length 13 [2021-11-13 01:30:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:30:02,717 INFO L470 AbstractCegarLoop]: Abstraction has 539 states and 1039 transitions. [2021-11-13 01:30:02,718 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) [2021-11-13 01:30:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1039 transitions. [2021-11-13 01:30:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 01:30:02,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:30:02,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:30:02,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:30:02,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:30:02,933 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)] === [2021-11-13 01:30:02,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:30:02,933 INFO L85 PathProgramCache]: Analyzing trace with hash 469021418, now seen corresponding path program 1 times [2021-11-13 01:30:02,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:30:02,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591857027] [2021-11-13 01:30:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:30:02,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:30:02,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:30:02,934 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:30:02,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 01:30:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:30:03,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 01:30:03,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:30:03,122 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 [2021-11-13 01:30:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,152 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 [2021-11-13 01:30:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,197 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 [2021-11-13 01:30:03,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,251 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 [2021-11-13 01:30:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:30:03,333 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 [2021-11-13 01:30:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:03,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:30:03,759 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 [2021-11-13 01:30:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:30:03,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:30:03,814 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 [2021-11-13 01:30:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:04,109 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:30:04,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591857027] [2021-11-13 01:30:04,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591857027] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:30:04,109 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:30:04,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 16 [2021-11-13 01:30:04,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124475317] [2021-11-13 01:30:04,109 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:30:04,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 01:30:04,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:30:04,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 01:30:04,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:30:04,111 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) [2021-11-13 01:30:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:30:05,253 INFO L93 Difference]: Finished difference Result 802 states and 1534 transitions. [2021-11-13 01:30:05,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:30:05,256 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 [2021-11-13 01:30:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:30:05,260 INFO L225 Difference]: With dead ends: 802 [2021-11-13 01:30:05,261 INFO L226 Difference]: Without dead ends: 802 [2021-11-13 01:30:05,261 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 [2021-11-13 01:30:05,262 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 259 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 814.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.88ms SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 959.60ms IncrementalHoareTripleChecker+Time [2021-11-13 01:30:05,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 34 Invalid, 673 Unknown, 0 Unchecked, 3.88ms Time], IncrementalHoareTripleChecker [121 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 959.60ms Time] [2021-11-13 01:30:05,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2021-11-13 01:30:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 491. [2021-11-13 01:30:05,278 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) [2021-11-13 01:30:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 943 transitions. [2021-11-13 01:30:05,281 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 943 transitions. Word has length 14 [2021-11-13 01:30:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:30:05,282 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 943 transitions. [2021-11-13 01:30:05,282 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) [2021-11-13 01:30:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 943 transitions. [2021-11-13 01:30:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 01:30:05,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:30:05,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:30:05,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-13 01:30:05,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:30:05,497 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)] === [2021-11-13 01:30:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:30:05,497 INFO L85 PathProgramCache]: Analyzing trace with hash 94324042, now seen corresponding path program 1 times [2021-11-13 01:30:05,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:30:05,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512890711] [2021-11-13 01:30:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:30:05,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:30:05,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:30:05,500 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:30:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 01:30:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:30:05,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:30:05,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:30:05,627 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 [2021-11-13 01:30:05,645 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:30:05,645 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 [2021-11-13 01:30:05,701 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-13 01:30:05,701 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 [2021-11-13 01:30:05,824 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-13 01:30:05,825 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 [2021-11-13 01:30:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:05,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:30:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:06,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:30:06,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512890711] [2021-11-13 01:30:06,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512890711] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:30:06,049 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:30:06,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 01:30:06,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012783385] [2021-11-13 01:30:06,049 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:30:06,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:30:06,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:30:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:30:06,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:30:06,050 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) [2021-11-13 01:30:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:30:06,386 INFO L93 Difference]: Finished difference Result 556 states and 1068 transitions. [2021-11-13 01:30:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:30:06,387 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 [2021-11-13 01:30:06,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:30:06,391 INFO L225 Difference]: With dead ends: 556 [2021-11-13 01:30:06,391 INFO L226 Difference]: Without dead ends: 556 [2021-11-13 01:30:06,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=26, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:30:06,392 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 34 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 255.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 301.67ms IncrementalHoareTripleChecker+Time [2021-11-13 01:30:06,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 37 Invalid, 208 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 25 Unchecked, 301.67ms Time] [2021-11-13 01:30:06,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-11-13 01:30:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 539. [2021-11-13 01:30:06,406 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) [2021-11-13 01:30:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1035 transitions. [2021-11-13 01:30:06,409 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1035 transitions. Word has length 15 [2021-11-13 01:30:06,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:30:06,409 INFO L470 AbstractCegarLoop]: Abstraction has 539 states and 1035 transitions. [2021-11-13 01:30:06,410 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) [2021-11-13 01:30:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1035 transitions. [2021-11-13 01:30:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 01:30:06,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:30:06,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:30:06,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 01:30:06,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:30:06,627 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)] === [2021-11-13 01:30:06,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:30:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747327, now seen corresponding path program 1 times [2021-11-13 01:30:06,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:30:06,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529561987] [2021-11-13 01:30:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:30:06,628 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:30:06,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:30:06,629 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:30:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 01:30:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:30:06,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:30:06,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:30:06,739 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 [2021-11-13 01:30:06,769 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:30:06,769 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 [2021-11-13 01:30:06,849 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-13 01:30:06,849 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 [2021-11-13 01:30:06,927 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-13 01:30:06,927 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 [2021-11-13 01:30:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:07,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:30:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:30:07,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:30:07,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529561987] [2021-11-13 01:30:07,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529561987] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:30:07,142 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:30:07,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-13 01:30:07,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338595656] [2021-11-13 01:30:07,143 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:30:07,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:30:07,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:30:07,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:30:07,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=20, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:30:07,144 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) [2021-11-13 01:30:07,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:30:07,803 INFO L93 Difference]: Finished difference Result 640 states and 1231 transitions. [2021-11-13 01:30:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:30:07,804 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 [2021-11-13 01:30:07,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:30:07,808 INFO L225 Difference]: With dead ends: 640 [2021-11-13 01:30:07,808 INFO L226 Difference]: Without dead ends: 627 [2021-11-13 01:30:07,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=20, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:30:07,809 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 541.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.11ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 623.97ms IncrementalHoareTripleChecker+Time [2021-11-13 01:30:07,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 56 Invalid, 302 Unknown, 0 Unchecked, 2.11ms Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 623.97ms Time] [2021-11-13 01:30:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-11-13 01:30:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 601. [2021-11-13 01:30:07,831 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) [2021-11-13 01:30:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1154 transitions. [2021-11-13 01:30:07,833 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1154 transitions. Word has length 15 [2021-11-13 01:30:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:30:07,834 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1154 transitions. [2021-11-13 01:30:07,834 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) [2021-11-13 01:30:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1154 transitions. [2021-11-13 01:30:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:30:07,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:30:07,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:30:07,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 01:30:08,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:30:08,049 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)] === [2021-11-13 01:30:08,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:30:08,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1481969777, now seen corresponding path program 1 times [2021-11-13 01:30:08,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:30:08,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401415565] [2021-11-13 01:30:08,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:30:08,050 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:30:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:30:08,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:30:08,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 01:30:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:30:08,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 01:30:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:30:08,315 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-13 01:30:08,315 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 01:30:08,316 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-13 01:30:08,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-13 01:30:08,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-13 01:30:08,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2021-11-13 01:30:08,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2021-11-13 01:30:08,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-13 01:30:08,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-13 01:30:08,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-13 01:30:08,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 01:30:08,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:30:08,527 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 01:30:08,530 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 01:30:08,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:30:08,548 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 01:30:08,550 INFO L158 Benchmark]: Toolchain (without parser) took 55040.85ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 35.6MB in the beginning and 83.3MB in the end (delta: -47.7MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,551 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:30:08,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.12ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.4MB in the beginning and 42.9MB in the end (delta: -7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.21ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,552 INFO L158 Benchmark]: Boogie Preprocessor took 71.77ms. Allocated memory is still 81.8MB. Free memory was 40.4MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,552 INFO L158 Benchmark]: RCFGBuilder took 677.87ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 52.3MB in the end (delta: -14.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,553 INFO L158 Benchmark]: TraceAbstraction took 53443.44ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 51.9MB in the beginning and 83.3MB in the end (delta: -31.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2021-11-13 01:30:08,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.12ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.4MB in the beginning and 42.9MB in the end (delta: -7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.21ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.77ms. Allocated memory is still 81.8MB. Free memory was 40.4MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.87ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 52.3MB in the end (delta: -14.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * TraceAbstraction took 53443.44ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 51.9MB in the beginning and 83.3MB in the end (delta: -31.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.8s, 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: 1357, positive: 537, positive conditional: 0, positive unconditional: 537, negative: 821, negative conditional: 0, negative unconditional: 821, 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 01:30:08,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0e8e1a-528c-49cb-9e26-5f131321d7ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null