./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh --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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:16:50,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:16:50,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:16:50,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:16:50,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:16:50,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:16:50,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:16:50,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:16:50,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:16:50,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:16:50,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:16:50,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:16:50,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:16:50,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:16:50,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:16:50,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:16:50,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:16:50,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:16:50,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:16:50,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:16:50,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:16:50,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:16:50,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:16:50,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:16:50,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:16:50,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:16:50,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:16:50,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:16:50,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:16:50,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:16:50,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:16:50,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:16:50,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:16:50,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:16:50,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:16:50,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:16:50,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:16:50,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:16:50,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:16:50,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:16:50,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:16:50,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 14:16:50,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:16:50,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:16:50,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:16:50,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:16:50,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:16:50,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:16:50,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:16:50,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:16:50,899 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:16:50,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:16:50,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:16:50,899 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:16:50,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:16:50,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:16:50,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:16:50,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:16:50,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:16:50,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:16:50,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:16:50,902 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:16:50,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:16:50,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2022-12-14 14:16:51,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:16:51,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:16:51,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:16:51,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:16:51,117 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:16:51,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2022-12-14 14:16:53,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:16:53,840 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:16:53,841 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2022-12-14 14:16:53,850 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/data/2910d00b3/13521440b2224f04b6a91423aa0986ba/FLAGdc47da513 [2022-12-14 14:16:53,861 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/data/2910d00b3/13521440b2224f04b6a91423aa0986ba [2022-12-14 14:16:53,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:16:53,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:16:53,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:16:53,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:16:53,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:16:53,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:16:53" (1/1) ... [2022-12-14 14:16:53,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15964247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:53, skipping insertion in model container [2022-12-14 14:16:53,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:16:53" (1/1) ... [2022-12-14 14:16:53,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:16:53,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:16:54,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:16:54,177 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:16:54,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:16:54,242 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:16:54,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54 WrapperNode [2022-12-14 14:16:54,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:16:54,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:16:54,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:16:54,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:16:54,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,274 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-12-14 14:16:54,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:16:54,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:16:54,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:16:54,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:16:54,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:16:54,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:16:54,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:16:54,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:16:54,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (1/1) ... [2022-12-14 14:16:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:16:54,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:16:54,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:16:54,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:16:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:16:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:16:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:16:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:16:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 14:16:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:16:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 14:16:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 14:16:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:16:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:16:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:16:54,366 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 14:16:54,478 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:16:54,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:16:54,685 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:16:54,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:16:54,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:16:54,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:16:54 BoogieIcfgContainer [2022-12-14 14:16:54,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:16:54,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:16:54,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:16:54,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:16:54,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:16:53" (1/3) ... [2022-12-14 14:16:54,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391f3066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:16:54, skipping insertion in model container [2022-12-14 14:16:54,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:16:54" (2/3) ... [2022-12-14 14:16:54,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391f3066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:16:54, skipping insertion in model container [2022-12-14 14:16:54,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:16:54" (3/3) ... [2022-12-14 14:16:54,703 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2022-12-14 14:16:54,712 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 14:16:54,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:16:54,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-14 14:16:54,723 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 14:16:54,780 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 14:16:54,811 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:16:54,826 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 94 transitions, 196 flow [2022-12-14 14:16:54,829 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 94 transitions, 196 flow [2022-12-14 14:16:54,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 196 flow [2022-12-14 14:16:54,876 INFO L130 PetriNetUnfolder]: 0/93 cut-off events. [2022-12-14 14:16:54,876 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 14:16:54,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-14 14:16:54,881 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2022-12-14 14:16:56,617 INFO L134 LiptonReduction]: Checked pairs total: 10615 [2022-12-14 14:16:56,618 INFO L136 LiptonReduction]: Total number of compositions: 50 [2022-12-14 14:16:56,625 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2022-12-14 14:16:56,663 INFO L135 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) [2022-12-14 14:16:56,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:16:56,687 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5cf2ac0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:16:56,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 14:16:56,691 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) [2022-12-14 14:16:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:16:56,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:56,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:56,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:56,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1821549423, now seen corresponding path program 1 times [2022-12-14 14:16:56,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:56,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191055945] [2022-12-14 14:16:56,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:56,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:57,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:57,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191055945] [2022-12-14 14:16:57,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191055945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:57,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:57,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:16:57,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478898582] [2022-12-14 14:16:57,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:57,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:16:57,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:57,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:16:57,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:57,214 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 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-14 14:16:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:57,393 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2022-12-14 14:16:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:16:57,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 [2022-12-14 14:16:57,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:57,405 INFO L225 Difference]: With dead ends: 440 [2022-12-14 14:16:57,406 INFO L226 Difference]: Without dead ends: 440 [2022-12-14 14:16:57,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:57,408 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 38 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:57,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 25 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:16:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-12-14 14:16:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2022-12-14 14:16:57,456 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) [2022-12-14 14:16:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2022-12-14 14:16:57,460 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2022-12-14 14:16:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:57,461 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2022-12-14 14:16:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-14 14:16:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2022-12-14 14:16:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:16:57,461 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:57,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:57,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:16:57,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash -194209496, now seen corresponding path program 1 times [2022-12-14 14:16:57,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:57,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283303480] [2022-12-14 14:16:57,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:57,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:57,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283303480] [2022-12-14 14:16:57,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283303480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:57,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:57,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:16:57,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054416978] [2022-12-14 14:16:57,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:57,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:16:57,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:57,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:16:57,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:57,659 INFO L87 Difference]: Start difference. First operand 426 states and 805 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-14 14:16:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:57,830 INFO L93 Difference]: Finished difference Result 501 states and 949 transitions. [2022-12-14 14:16:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:16:57,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 [2022-12-14 14:16:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:57,833 INFO L225 Difference]: With dead ends: 501 [2022-12-14 14:16:57,833 INFO L226 Difference]: Without dead ends: 501 [2022-12-14 14:16:57,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:57,834 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:57,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 40 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:16:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-12-14 14:16:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 473. [2022-12-14 14:16:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 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) [2022-12-14 14:16:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-12-14 14:16:57,856 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-12-14 14:16:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:57,856 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-12-14 14:16:57,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-14 14:16:57,857 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-12-14 14:16:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:16:57,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:57,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:57,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:16:57,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1119771973, now seen corresponding path program 1 times [2022-12-14 14:16:57,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:57,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109938748] [2022-12-14 14:16:57,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:57,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:58,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:58,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109938748] [2022-12-14 14:16:58,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109938748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:58,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:16:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502990900] [2022-12-14 14:16:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:58,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:16:58,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:16:58,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:58,083 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 14:16:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:58,248 INFO L93 Difference]: Finished difference Result 542 states and 1028 transitions. [2022-12-14 14:16:58,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:16:58,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 [2022-12-14 14:16:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:58,252 INFO L225 Difference]: With dead ends: 542 [2022-12-14 14:16:58,252 INFO L226 Difference]: Without dead ends: 542 [2022-12-14 14:16:58,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:58,254 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 35 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:58,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 27 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:16:58,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-12-14 14:16:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2022-12-14 14:16:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 515 states have (on average 1.9320388349514563) internal successors, (995), 524 states have internal predecessors, (995), 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) [2022-12-14 14:16:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 995 transitions. [2022-12-14 14:16:58,272 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 995 transitions. Word has length 15 [2022-12-14 14:16:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:58,272 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 995 transitions. [2022-12-14 14:16:58,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 14:16:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 995 transitions. [2022-12-14 14:16:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:16:58,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:58,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:58,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:16:58,274 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:58,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:58,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1517208473, now seen corresponding path program 1 times [2022-12-14 14:16:58,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:58,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934889179] [2022-12-14 14:16:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:58,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:58,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934889179] [2022-12-14 14:16:58,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934889179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:58,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:58,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:16:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028675716] [2022-12-14 14:16:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:58,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:16:58,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:16:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:58,455 INFO L87 Difference]: Start difference. First operand 525 states and 995 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 14:16:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:58,723 INFO L93 Difference]: Finished difference Result 630 states and 1199 transitions. [2022-12-14 14:16:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:16:58,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 [2022-12-14 14:16:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:58,727 INFO L225 Difference]: With dead ends: 630 [2022-12-14 14:16:58,727 INFO L226 Difference]: Without dead ends: 617 [2022-12-14 14:16:58,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:58,728 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 45 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:58,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 50 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:16:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-12-14 14:16:58,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 591. [2022-12-14 14:16:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 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) [2022-12-14 14:16:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-12-14 14:16:58,746 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-12-14 14:16:58,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:58,746 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-12-14 14:16:58,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-12-14 14:16:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-12-14 14:16:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 14:16:58,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:58,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:58,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:16:58,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:58,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:58,749 INFO L85 PathProgramCache]: Analyzing trace with hash -839132656, now seen corresponding path program 1 times [2022-12-14 14:16:58,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:58,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394160363] [2022-12-14 14:16:58,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:58,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:58,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:58,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394160363] [2022-12-14 14:16:58,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394160363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:58,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:58,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:16:58,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385949821] [2022-12-14 14:16:58,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:58,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:16:58,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:58,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:16:58,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:16:58,801 INFO L87 Difference]: Start difference. First operand 591 states and 1122 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-12-14 14:16:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:58,817 INFO L93 Difference]: Finished difference Result 178 states and 286 transitions. [2022-12-14 14:16:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:16:58,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 18 [2022-12-14 14:16:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:58,818 INFO L225 Difference]: With dead ends: 178 [2022-12-14 14:16:58,819 INFO L226 Difference]: Without dead ends: 178 [2022-12-14 14:16:58,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:16:58,820 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:58,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:16:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-12-14 14:16:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-12-14 14:16:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.6342857142857143) internal successors, (286), 177 states have internal predecessors, (286), 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) [2022-12-14 14:16:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2022-12-14 14:16:58,825 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 18 [2022-12-14 14:16:58,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:58,826 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2022-12-14 14:16:58,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-12-14 14:16:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2022-12-14 14:16:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 14:16:58,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:58,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:58,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:16:58,827 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash -869220085, now seen corresponding path program 1 times [2022-12-14 14:16:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:58,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123946132] [2022-12-14 14:16:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:59,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:59,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123946132] [2022-12-14 14:16:59,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123946132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:59,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:59,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:16:59,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022858987] [2022-12-14 14:16:59,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:59,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:16:59,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:59,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:16:59,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:59,033 INFO L87 Difference]: Start difference. First operand 178 states and 286 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-12-14 14:16:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:16:59,203 INFO L93 Difference]: Finished difference Result 200 states and 319 transitions. [2022-12-14 14:16:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:16:59,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-12-14 14:16:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:16:59,204 INFO L225 Difference]: With dead ends: 200 [2022-12-14 14:16:59,204 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 14:16:59,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:16:59,205 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:16:59,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 25 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:16:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 14:16:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2022-12-14 14:16:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.7272727272727273) internal successors, (266), 156 states have internal predecessors, (266), 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) [2022-12-14 14:16:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 266 transitions. [2022-12-14 14:16:59,211 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 266 transitions. Word has length 22 [2022-12-14 14:16:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:16:59,211 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 266 transitions. [2022-12-14 14:16:59,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-12-14 14:16:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2022-12-14 14:16:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:16:59,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:16:59,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:16:59,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:16:59,212 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:16:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:16:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash -374130040, now seen corresponding path program 1 times [2022-12-14 14:16:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:16:59,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348563065] [2022-12-14 14:16:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:16:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:16:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:16:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:16:59,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:16:59,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348563065] [2022-12-14 14:16:59,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348563065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:16:59,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:16:59,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:16:59,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811584072] [2022-12-14 14:16:59,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:16:59,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:16:59,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:16:59,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:16:59,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:16:59,640 INFO L87 Difference]: Start difference. First operand 157 states and 266 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:00,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:00,047 INFO L93 Difference]: Finished difference Result 262 states and 431 transitions. [2022-12-14 14:17:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 14:17:00,047 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:00,048 INFO L225 Difference]: With dead ends: 262 [2022-12-14 14:17:00,048 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 14:17:00,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:17:00,049 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:00,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 10 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:17:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 14:17:00,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 187. [2022-12-14 14:17:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.7173913043478262) internal successors, (316), 186 states have internal predecessors, (316), 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) [2022-12-14 14:17:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 316 transitions. [2022-12-14 14:17:00,053 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 316 transitions. Word has length 31 [2022-12-14 14:17:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:00,053 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 316 transitions. [2022-12-14 14:17:00,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 316 transitions. [2022-12-14 14:17:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:17:00,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:00,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:00,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:17:00,055 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:17:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:00,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1654251014, now seen corresponding path program 2 times [2022-12-14 14:17:00,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:00,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500832189] [2022-12-14 14:17:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:00,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:00,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:00,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500832189] [2022-12-14 14:17:00,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500832189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:00,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:00,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:17:00,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188716559] [2022-12-14 14:17:00,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:17:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:00,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:17:00,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:17:00,408 INFO L87 Difference]: Start difference. First operand 187 states and 316 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:00,737 INFO L93 Difference]: Finished difference Result 209 states and 338 transitions. [2022-12-14 14:17:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 14:17:00,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:00,738 INFO L225 Difference]: With dead ends: 209 [2022-12-14 14:17:00,738 INFO L226 Difference]: Without dead ends: 194 [2022-12-14 14:17:00,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-14 14:17:00,739 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:00,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 10 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:17:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-12-14 14:17:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2022-12-14 14:17:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 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) [2022-12-14 14:17:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2022-12-14 14:17:00,743 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2022-12-14 14:17:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:00,743 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2022-12-14 14:17:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2022-12-14 14:17:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:17:00,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:00,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:00,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:17:00,744 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:17:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:00,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2015751098, now seen corresponding path program 3 times [2022-12-14 14:17:00,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:00,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452526116] [2022-12-14 14:17:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:01,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:01,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452526116] [2022-12-14 14:17:01,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452526116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:01,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:01,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:17:01,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660672007] [2022-12-14 14:17:01,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:01,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:17:01,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:01,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:17:01,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:17:01,132 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:01,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:01,542 INFO L93 Difference]: Finished difference Result 232 states and 377 transitions. [2022-12-14 14:17:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 14:17:01,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:01,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:01,544 INFO L225 Difference]: With dead ends: 232 [2022-12-14 14:17:01,544 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 14:17:01,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-14 14:17:01,545 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:01,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 10 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:17:01,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 14:17:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 186. [2022-12-14 14:17:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 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) [2022-12-14 14:17:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2022-12-14 14:17:01,549 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2022-12-14 14:17:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:01,550 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2022-12-14 14:17:01,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2022-12-14 14:17:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:17:01,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:01,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:01,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:17:01,551 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:17:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:01,552 INFO L85 PathProgramCache]: Analyzing trace with hash -353290144, now seen corresponding path program 4 times [2022-12-14 14:17:01,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:01,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290377748] [2022-12-14 14:17:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:01,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:01,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290377748] [2022-12-14 14:17:01,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290377748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:01,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:01,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:17:01,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656750158] [2022-12-14 14:17:01,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:01,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:17:01,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:01,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:17:01,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:17:01,916 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:02,215 INFO L93 Difference]: Finished difference Result 270 states and 451 transitions. [2022-12-14 14:17:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 14:17:02,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:02,216 INFO L225 Difference]: With dead ends: 270 [2022-12-14 14:17:02,216 INFO L226 Difference]: Without dead ends: 250 [2022-12-14 14:17:02,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:17:02,217 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:02,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 10 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:17:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-12-14 14:17:02,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 201. [2022-12-14 14:17:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.7323232323232323) internal successors, (343), 200 states have internal predecessors, (343), 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) [2022-12-14 14:17:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 343 transitions. [2022-12-14 14:17:02,222 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 343 transitions. Word has length 31 [2022-12-14 14:17:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:02,222 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 343 transitions. [2022-12-14 14:17:02,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 343 transitions. [2022-12-14 14:17:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:17:02,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:02,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:02,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:17:02,224 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:17:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash -50896732, now seen corresponding path program 5 times [2022-12-14 14:17:02,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:02,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316949675] [2022-12-14 14:17:02,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:02,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:02,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:02,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316949675] [2022-12-14 14:17:02,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316949675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:02,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:02,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:17:02,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242137954] [2022-12-14 14:17:02,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:02,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:17:02,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:02,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:17:02,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:17:02,522 INFO L87 Difference]: Start difference. First operand 201 states and 343 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:02,781 INFO L93 Difference]: Finished difference Result 196 states and 331 transitions. [2022-12-14 14:17:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 14:17:02,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:02,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:02,783 INFO L225 Difference]: With dead ends: 196 [2022-12-14 14:17:02,783 INFO L226 Difference]: Without dead ends: 176 [2022-12-14 14:17:02,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:17:02,784 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:02,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:17:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-12-14 14:17:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 106. [2022-12-14 14:17:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 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) [2022-12-14 14:17:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 172 transitions. [2022-12-14 14:17:02,787 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 172 transitions. Word has length 31 [2022-12-14 14:17:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:02,787 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 172 transitions. [2022-12-14 14:17:02,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2022-12-14 14:17:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:17:02,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:02,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:02,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:17:02,788 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-14 14:17:02,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:02,789 INFO L85 PathProgramCache]: Analyzing trace with hash -77660418, now seen corresponding path program 1 times [2022-12-14 14:17:02,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:02,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58106160] [2022-12-14 14:17:02,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:02,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:03,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:03,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58106160] [2022-12-14 14:17:03,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58106160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:03,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:03,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:17:03,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251733856] [2022-12-14 14:17:03,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:03,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 14:17:03,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 14:17:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:17:03,022 INFO L87 Difference]: Start difference. First operand 106 states and 172 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:03,202 INFO L93 Difference]: Finished difference Result 101 states and 163 transitions. [2022-12-14 14:17:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 14:17:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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 31 [2022-12-14 14:17:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:03,202 INFO L225 Difference]: With dead ends: 101 [2022-12-14 14:17:03,202 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:17:03,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:17:03,203 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:03,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:17:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:17:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:17:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:17:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:17:03,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-12-14 14:17:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:03,204 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:17:03,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-12-14 14:17:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:17:03,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:17:03,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-14 14:17:03,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-14 14:17:03,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-14 14:17:03,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-14 14:17:03,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-14 14:17:03,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-14 14:17:03,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-14 14:17:03,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-14 14:17:03,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 14:17:03,208 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:03,211 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 14:17:03,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:17:03,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:17:03 BasicIcfg [2022-12-14 14:17:03,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:17:03,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:17:03,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:17:03,214 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:17:03,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:16:54" (3/4) ... [2022-12-14 14:17:03,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:17:03,220 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-14 14:17:03,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 14:17:03,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 14:17:03,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 14:17:03,244 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:17:03,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:17:03,244 INFO L158 Benchmark]: Toolchain (without parser) took 9380.93ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 92.5MB in the beginning and 118.8MB in the end (delta: -26.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,244 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:03,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.86ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 64.8MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.85ms. Allocated memory is still 134.2MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,245 INFO L158 Benchmark]: Boogie Preprocessor took 27.89ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,245 INFO L158 Benchmark]: RCFGBuilder took 391.45ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 60.6MB in the beginning and 129.4MB in the end (delta: -68.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,245 INFO L158 Benchmark]: TraceAbstraction took 8515.72ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.4MB in the beginning and 121.0MB in the end (delta: 7.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,246 INFO L158 Benchmark]: Witness Printer took 30.48ms. Allocated memory is still 195.0MB. Free memory was 121.0MB in the beginning and 118.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:03,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.86ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 64.8MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.85ms. Allocated memory is still 134.2MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.89ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.45ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 60.6MB in the beginning and 129.4MB in the end (delta: -68.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8515.72ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.4MB in the beginning and 121.0MB in the end (delta: 7.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 30.48ms. Allocated memory is still 195.0MB. Free memory was 121.0MB in the beginning and 118.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 98 PlacesBefore, 48 PlacesAfterwards, 94 TransitionsBefore, 44 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 50 TotalNumberOfCompositions, 10615 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3086, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 514, dependent conditional: 0, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 808, independent: 733, independent conditional: 0, independent unconditional: 733, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 808, independent: 643, independent conditional: 0, independent unconditional: 643, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3086, independent: 1839, independent conditional: 0, independent unconditional: 1839, dependent: 439, dependent conditional: 0, dependent unconditional: 439, unknown: 808, unknown conditional: 0, unknown unconditional: 808] , Statistics on independence cache: Total cache size (in pairs): 378, Positive cache size: 315, Positive conditional cache size: 0, Positive unconditional cache size: 315, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 537 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 537 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3647 IncrementalHoareTripleChecker+Invalid, 3958 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 210 mSDtfsCounter, 3647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 303 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 14:17:03,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7788b4-cd98-4f61-9e87-7dbbcf1ecb23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE