./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0 --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 e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a --- 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-e04fb08 [2022-11-16 19:27:21,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:27:21,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:27:21,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:27:21,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:27:21,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:27:21,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:27:21,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:27:21,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:27:21,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:27:21,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:27:21,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:27:21,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:27:21,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:27:21,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:27:21,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:27:21,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:27:21,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:27:21,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:27:21,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:27:21,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:27:21,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:27:21,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:27:21,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:27:22,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:27:22,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:27:22,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:27:22,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:27:22,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:27:22,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:27:22,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:27:22,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:27:22,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:27:22,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:27:22,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:27:22,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:27:22,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:27:22,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:27:22,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:27:22,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:27:22,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:27:22,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-16 19:27:22,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:27:22,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:27:22,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:27:22,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:27:22,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:27:22,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:27:22,063 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:27:22,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:27:22,064 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:27:22,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:27:22,065 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:27:22,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:27:22,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:27:22,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:27:22,066 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:27:22,067 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:27:22,067 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:27:22,067 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:27:22,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:27:22,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:27:22,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:27:22,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:27:22,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:27:22,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:27:22,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:27:22,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:27:22,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:27:22,072 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 19:27:22,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:27:22,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:27:22,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:27:22,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:27:22,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:27:22,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:27:22,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:27:22,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:27:22,074 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:27:22,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:27:22,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:27:22,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:27:22,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:27:22,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:27:22,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:27:22,075 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_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a [2022-11-16 19:27:22,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:27:22,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:27:22,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:27:22,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:27:22,433 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:27:22,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-11-16 19:27:22,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/data/618e93ca0/37f0162c9ec34dcc98b27056da6d60d9/FLAG5d1336050 [2022-11-16 19:27:22,996 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:27:22,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-11-16 19:27:23,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/data/618e93ca0/37f0162c9ec34dcc98b27056da6d60d9/FLAG5d1336050 [2022-11-16 19:27:23,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/data/618e93ca0/37f0162c9ec34dcc98b27056da6d60d9 [2022-11-16 19:27:23,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:27:23,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:27:23,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:27:23,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:27:23,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:27:23,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed36d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23, skipping insertion in model container [2022-11-16 19:27:23,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:27:23,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:27:23,641 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-11-16 19:27:23,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:27:23,655 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:27:23,686 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-11-16 19:27:23,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:27:23,704 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:27:23,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23 WrapperNode [2022-11-16 19:27:23,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:27:23,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:27:23,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:27:23,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:27:23,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,780 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 290 [2022-11-16 19:27:23,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:27:23,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:27:23,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:27:23,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:27:23,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:27:23,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:27:23,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:27:23,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:27:23,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (1/1) ... [2022-11-16 19:27:23,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:27:23,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:23,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:27:23,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:27:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:27:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 19:27:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 19:27:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 19:27:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 19:27:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:27:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:27:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:27:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:27:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:27:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:27:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:27:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:27:23,937 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 19:27:24,118 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:27:24,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:27:24,827 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:27:24,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:27:24,841 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 19:27:24,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:24 BoogieIcfgContainer [2022-11-16 19:27:24,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:27:24,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:27:24,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:27:24,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:27:24,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:27:23" (1/3) ... [2022-11-16 19:27:24,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c858a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:27:24, skipping insertion in model container [2022-11-16 19:27:24,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:27:23" (2/3) ... [2022-11-16 19:27:24,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c858a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:27:24, skipping insertion in model container [2022-11-16 19:27:24,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:24" (3/3) ... [2022-11-16 19:27:24,855 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2022-11-16 19:27:24,866 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 19:27:24,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:27:24,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-16 19:27:24,875 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 19:27:24,990 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 19:27:25,026 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 19:27:25,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 359 transitions, 734 flow [2022-11-16 19:27:25,043 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 359 transitions, 734 flow [2022-11-16 19:27:25,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 359 transitions, 734 flow [2022-11-16 19:27:25,201 INFO L130 PetriNetUnfolder]: 19/357 cut-off events. [2022-11-16 19:27:25,202 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 19:27:25,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 357 events. 19/357 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 658 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 233. Up to 3 conditions per place. [2022-11-16 19:27:25,225 INFO L119 LiptonReduction]: Number of co-enabled transitions 18860 [2022-11-16 19:27:39,138 INFO L134 LiptonReduction]: Checked pairs total: 193800 [2022-11-16 19:27:39,139 INFO L136 LiptonReduction]: Total number of compositions: 415 [2022-11-16 19:27:39,151 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 117 transitions, 250 flow [2022-11-16 19:27:39,531 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 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) [2022-11-16 19:27:39,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:27:39,566 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;@4351e11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:27:39,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-11-16 19:27:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 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) [2022-11-16 19:27:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 19:27:39,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:39,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-16 19:27:39,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:39,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:39,617 INFO L85 PathProgramCache]: Analyzing trace with hash 43661, now seen corresponding path program 1 times [2022-11-16 19:27:39,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:39,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920546092] [2022-11-16 19:27:39,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:27:39,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:39,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920546092] [2022-11-16 19:27:39,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920546092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:39,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:39,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:27:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913808137] [2022-11-16 19:27:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:39,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 19:27:39,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:39,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 19:27:39,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 19:27:39,887 INFO L87 Difference]: Start difference. First operand has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-16 19:27:40,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:40,125 INFO L93 Difference]: Finished difference Result 7423 states and 21877 transitions. [2022-11-16 19:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 19:27:40,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-16 19:27:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:40,189 INFO L225 Difference]: With dead ends: 7423 [2022-11-16 19:27:40,189 INFO L226 Difference]: Without dead ends: 7420 [2022-11-16 19:27:40,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 19:27:40,193 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:40,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:27:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7420 states. [2022-11-16 19:27:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7420 to 7420. [2022-11-16 19:27:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7420 states, 7366 states have (on average 2.9690469725767037) internal successors, (21870), 7419 states have internal predecessors, (21870), 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) [2022-11-16 19:27:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 21870 transitions. [2022-11-16 19:27:40,656 INFO L78 Accepts]: Start accepts. Automaton has 7420 states and 21870 transitions. Word has length 2 [2022-11-16 19:27:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:40,657 INFO L495 AbstractCegarLoop]: Abstraction has 7420 states and 21870 transitions. [2022-11-16 19:27:40,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-16 19:27:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7420 states and 21870 transitions. [2022-11-16 19:27:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 19:27:40,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:40,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:40,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:27:40,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:40,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1493719934, now seen corresponding path program 1 times [2022-11-16 19:27:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:40,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154141454] [2022-11-16 19:27:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:40,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:27:40,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:40,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154141454] [2022-11-16 19:27:40,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154141454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:40,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:40,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:27:40,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254454351] [2022-11-16 19:27:40,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:40,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:40,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:40,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:40,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:40,916 INFO L87 Difference]: Start difference. First operand 7420 states and 21870 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-16 19:27:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:41,125 INFO L93 Difference]: Finished difference Result 7422 states and 21872 transitions. [2022-11-16 19:27:41,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:41,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 19:27:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:41,183 INFO L225 Difference]: With dead ends: 7422 [2022-11-16 19:27:41,183 INFO L226 Difference]: Without dead ends: 7422 [2022-11-16 19:27:41,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:41,187 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:41,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:27:41,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7422 states. [2022-11-16 19:27:41,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7422 to 7422. [2022-11-16 19:27:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7422 states, 7368 states have (on average 2.968512486427796) internal successors, (21872), 7421 states have internal predecessors, (21872), 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) [2022-11-16 19:27:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 21872 transitions. [2022-11-16 19:27:41,515 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 21872 transitions. Word has length 10 [2022-11-16 19:27:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:41,515 INFO L495 AbstractCegarLoop]: Abstraction has 7422 states and 21872 transitions. [2022-11-16 19:27:41,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-16 19:27:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 21872 transitions. [2022-11-16 19:27:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 19:27:41,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:41,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:41,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:27:41,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:41,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1978772283, now seen corresponding path program 1 times [2022-11-16 19:27:41,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:41,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249110170] [2022-11-16 19:27:41,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 19:27:41,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:41,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249110170] [2022-11-16 19:27:41,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249110170] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:41,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931693824] [2022-11-16 19:27:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:41,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:41,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:41,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:41,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:27:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:41,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:27:41,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 19:27:41,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:27:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 19:27:42,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931693824] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:27:42,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [337879799] [2022-11-16 19:27:42,041 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 19:27:42,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:27:42,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-16 19:27:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323860475] [2022-11-16 19:27:42,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 19:27:42,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:27:42,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:27:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:27:42,045 INFO L87 Difference]: Start difference. First operand 7422 states and 21872 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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) [2022-11-16 19:27:42,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:42,330 INFO L93 Difference]: Finished difference Result 7428 states and 21878 transitions. [2022-11-16 19:27:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:27:42,330 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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 12 [2022-11-16 19:27:42,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:42,366 INFO L225 Difference]: With dead ends: 7428 [2022-11-16 19:27:42,366 INFO L226 Difference]: Without dead ends: 7428 [2022-11-16 19:27:42,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:27:42,368 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:42,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 19:27:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2022-11-16 19:27:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 7428. [2022-11-16 19:27:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 7374 states have (on average 2.9669107675617035) internal successors, (21878), 7427 states have internal predecessors, (21878), 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) [2022-11-16 19:27:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 21878 transitions. [2022-11-16 19:27:42,656 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 21878 transitions. Word has length 12 [2022-11-16 19:27:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:42,656 INFO L495 AbstractCegarLoop]: Abstraction has 7428 states and 21878 transitions. [2022-11-16 19:27:42,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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) [2022-11-16 19:27:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 21878 transitions. [2022-11-16 19:27:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 19:27:42,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:42,659 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:42,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:42,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 19:27:42,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -215987262, now seen corresponding path program 2 times [2022-11-16 19:27:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:42,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697549719] [2022-11-16 19:27:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 19:27:43,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:43,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697549719] [2022-11-16 19:27:43,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697549719] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:43,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279016491] [2022-11-16 19:27:43,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 19:27:43,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:43,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:43,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:43,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:27:43,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-16 19:27:43,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:27:43,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 19:27:43,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:43,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:27:43,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:43,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 19:27:43,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:43,489 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:27:43,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-16 19:27:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:27:43,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:27:43,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279016491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:43,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:43,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2022-11-16 19:27:43,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96352699] [2022-11-16 19:27:43,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:43,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:27:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:43,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:27:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-16 19:27:43,519 INFO L87 Difference]: Start difference. First operand 7428 states and 21878 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:44,403 INFO L93 Difference]: Finished difference Result 6408 states and 18690 transitions. [2022-11-16 19:27:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:27:44,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-16 19:27:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:44,434 INFO L225 Difference]: With dead ends: 6408 [2022-11-16 19:27:44,435 INFO L226 Difference]: Without dead ends: 6408 [2022-11-16 19:27:44,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-16 19:27:44,438 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 158 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:44,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 46 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 19:27:44,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2022-11-16 19:27:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 6408. [2022-11-16 19:27:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6408 states, 6379 states have (on average 2.929926320739928) internal successors, (18690), 6407 states have internal predecessors, (18690), 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) [2022-11-16 19:27:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6408 states to 6408 states and 18690 transitions. [2022-11-16 19:27:44,724 INFO L78 Accepts]: Start accepts. Automaton has 6408 states and 18690 transitions. Word has length 18 [2022-11-16 19:27:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:44,725 INFO L495 AbstractCegarLoop]: Abstraction has 6408 states and 18690 transitions. [2022-11-16 19:27:44,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6408 states and 18690 transitions. [2022-11-16 19:27:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 19:27:44,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:44,735 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:44,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 19:27:44,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:44,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:44,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:44,941 INFO L85 PathProgramCache]: Analyzing trace with hash 96822557, now seen corresponding path program 1 times [2022-11-16 19:27:44,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:44,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970608271] [2022-11-16 19:27:44,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:44,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 19:27:45,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:45,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970608271] [2022-11-16 19:27:45,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970608271] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:45,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295553260] [2022-11-16 19:27:45,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:45,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:45,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:45,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:45,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:27:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:45,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 19:27:45,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 19:27:45,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:27:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 19:27:45,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295553260] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:27:45,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1694755345] [2022-11-16 19:27:45,432 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 19:27:45,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:27:45,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-16 19:27:45,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530293814] [2022-11-16 19:27:45,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 19:27:45,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 19:27:45,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 19:27:45,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-11-16 19:27:45,435 INFO L87 Difference]: Start difference. First operand 6408 states and 18690 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:45,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:45,624 INFO L93 Difference]: Finished difference Result 6410 states and 18692 transitions. [2022-11-16 19:27:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:27:45,625 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-16 19:27:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:45,649 INFO L225 Difference]: With dead ends: 6410 [2022-11-16 19:27:45,650 INFO L226 Difference]: Without dead ends: 6410 [2022-11-16 19:27:45,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-11-16 19:27:45,652 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:45,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:27:45,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6410 states. [2022-11-16 19:27:45,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6410 to 6410. [2022-11-16 19:27:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6410 states, 6381 states have (on average 2.9293214229744553) internal successors, (18692), 6409 states have internal predecessors, (18692), 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) [2022-11-16 19:27:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6410 states to 6410 states and 18692 transitions. [2022-11-16 19:27:45,907 INFO L78 Accepts]: Start accepts. Automaton has 6410 states and 18692 transitions. Word has length 21 [2022-11-16 19:27:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:45,907 INFO L495 AbstractCegarLoop]: Abstraction has 6410 states and 18692 transitions. [2022-11-16 19:27:45,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 6410 states and 18692 transitions. [2022-11-16 19:27:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 19:27:45,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:45,909 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:45,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:46,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:46,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1308933254, now seen corresponding path program 2 times [2022-11-16 19:27:46,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:46,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550805267] [2022-11-16 19:27:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:46,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:27:46,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:46,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550805267] [2022-11-16 19:27:46,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550805267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:46,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:46,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:27:46,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341021086] [2022-11-16 19:27:46,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:46,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:27:46,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:46,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:27:46,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:46,639 INFO L87 Difference]: Start difference. First operand 6410 states and 18692 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 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) [2022-11-16 19:27:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:47,217 INFO L93 Difference]: Finished difference Result 6436 states and 18412 transitions. [2022-11-16 19:27:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:27:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 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 23 [2022-11-16 19:27:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:47,245 INFO L225 Difference]: With dead ends: 6436 [2022-11-16 19:27:47,245 INFO L226 Difference]: Without dead ends: 6436 [2022-11-16 19:27:47,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:47,246 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 67 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:47,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 32 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 19:27:47,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6436 states. [2022-11-16 19:27:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6436 to 6046. [2022-11-16 19:27:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6046 states, 6027 states have (on average 2.926829268292683) internal successors, (17640), 6045 states have internal predecessors, (17640), 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) [2022-11-16 19:27:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6046 states to 6046 states and 17640 transitions. [2022-11-16 19:27:47,476 INFO L78 Accepts]: Start accepts. Automaton has 6046 states and 17640 transitions. Word has length 23 [2022-11-16 19:27:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:47,476 INFO L495 AbstractCegarLoop]: Abstraction has 6046 states and 17640 transitions. [2022-11-16 19:27:47,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 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) [2022-11-16 19:27:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6046 states and 17640 transitions. [2022-11-16 19:27:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 19:27:47,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:47,478 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:47,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 19:27:47,480 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:47,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1507871962, now seen corresponding path program 1 times [2022-11-16 19:27:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:47,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217896866] [2022-11-16 19:27:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:47,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:27:47,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:47,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217896866] [2022-11-16 19:27:47,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217896866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:47,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:47,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:27:47,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841396884] [2022-11-16 19:27:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:47,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:27:47,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:27:47,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:47,954 INFO L87 Difference]: Start difference. First operand 6046 states and 17640 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-16 19:27:48,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:48,716 INFO L93 Difference]: Finished difference Result 5845 states and 16869 transitions. [2022-11-16 19:27:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:27:48,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 24 [2022-11-16 19:27:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:48,741 INFO L225 Difference]: With dead ends: 5845 [2022-11-16 19:27:48,741 INFO L226 Difference]: Without dead ends: 5845 [2022-11-16 19:27:48,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:48,743 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 63 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:48,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 38 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 19:27:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5845 states. [2022-11-16 19:27:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5648. [2022-11-16 19:27:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5648 states, 5637 states have (on average 2.927088877062267) internal successors, (16500), 5647 states have internal predecessors, (16500), 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) [2022-11-16 19:27:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5648 states to 5648 states and 16500 transitions. [2022-11-16 19:27:48,937 INFO L78 Accepts]: Start accepts. Automaton has 5648 states and 16500 transitions. Word has length 24 [2022-11-16 19:27:48,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:48,938 INFO L495 AbstractCegarLoop]: Abstraction has 5648 states and 16500 transitions. [2022-11-16 19:27:48,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-16 19:27:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5648 states and 16500 transitions. [2022-11-16 19:27:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 19:27:48,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:48,941 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:48,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 19:27:48,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:48,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:48,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1811845371, now seen corresponding path program 1 times [2022-11-16 19:27:48,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:48,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283581184] [2022-11-16 19:27:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:48,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:27:49,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:49,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283581184] [2022-11-16 19:27:49,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283581184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:49,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:49,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:27:49,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984150620] [2022-11-16 19:27:49,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:49,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:27:49,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:49,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:27:49,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:49,442 INFO L87 Difference]: Start difference. First operand 5648 states and 16500 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:50,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:50,073 INFO L93 Difference]: Finished difference Result 5447 states and 15729 transitions. [2022-11-16 19:27:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:27:50,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-16 19:27:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:50,092 INFO L225 Difference]: With dead ends: 5447 [2022-11-16 19:27:50,092 INFO L226 Difference]: Without dead ends: 5397 [2022-11-16 19:27:50,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:50,094 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 67 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:50,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 38 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 19:27:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2022-11-16 19:27:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5200. [2022-11-16 19:27:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 5197 states have (on average 2.9359245718683855) internal successors, (15258), 5199 states have internal predecessors, (15258), 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) [2022-11-16 19:27:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 15258 transitions. [2022-11-16 19:27:50,220 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 15258 transitions. Word has length 29 [2022-11-16 19:27:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:50,221 INFO L495 AbstractCegarLoop]: Abstraction has 5200 states and 15258 transitions. [2022-11-16 19:27:50,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 15258 transitions. [2022-11-16 19:27:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 19:27:50,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:50,223 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 19:27:50,223 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash -56166179, now seen corresponding path program 1 times [2022-11-16 19:27:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:50,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710651045] [2022-11-16 19:27:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:27:50,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:50,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710651045] [2022-11-16 19:27:50,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710651045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:50,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:50,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:27:50,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600697498] [2022-11-16 19:27:50,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:50,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:27:50,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:50,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:27:50,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:50,606 INFO L87 Difference]: Start difference. First operand 5200 states and 15258 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:51,095 INFO L93 Difference]: Finished difference Result 5172 states and 14912 transitions. [2022-11-16 19:27:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:27:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-16 19:27:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:51,109 INFO L225 Difference]: With dead ends: 5172 [2022-11-16 19:27:51,109 INFO L226 Difference]: Without dead ends: 5172 [2022-11-16 19:27:51,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:51,110 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:51,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 33 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 19:27:51,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5172 states. [2022-11-16 19:27:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5172 to 4884. [2022-11-16 19:27:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 4883 states have (on average 2.9371288142535326) internal successors, (14342), 4883 states have internal predecessors, (14342), 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) [2022-11-16 19:27:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 14342 transitions. [2022-11-16 19:27:51,264 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 14342 transitions. Word has length 29 [2022-11-16 19:27:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:51,265 INFO L495 AbstractCegarLoop]: Abstraction has 4884 states and 14342 transitions. [2022-11-16 19:27:51,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:27:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 14342 transitions. [2022-11-16 19:27:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 19:27:51,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:51,271 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:51,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 19:27:51,272 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-16 19:27:51,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1240311620, now seen corresponding path program 1 times [2022-11-16 19:27:51,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:51,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233272688] [2022-11-16 19:27:51,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:51,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:27:51,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:51,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233272688] [2022-11-16 19:27:51,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233272688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:51,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:51,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:27:51,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263301805] [2022-11-16 19:27:51,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:51,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:27:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:27:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:51,680 INFO L87 Difference]: Start difference. First operand 4884 states and 14342 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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) [2022-11-16 19:27:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:52,097 INFO L93 Difference]: Finished difference Result 4858 states and 14288 transitions. [2022-11-16 19:27:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:27:52,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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 30 [2022-11-16 19:27:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:52,098 INFO L225 Difference]: With dead ends: 4858 [2022-11-16 19:27:52,098 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:27:52,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:27:52,099 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 36 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:52,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 44 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 19:27:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:27:52,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:27:52,101 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) [2022-11-16 19:27:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:27:52,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-16 19:27:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:52,101 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:27:52,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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) [2022-11-16 19:27:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:27:52,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:27:52,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-11-16 19:27:52,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-11-16 19:27:52,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-11-16 19:27:52,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-11-16 19:27:52,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-11-16 19:27:52,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-11-16 19:27:52,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-11-16 19:27:52,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-11-16 19:27:52,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-11-16 19:27:52,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-11-16 19:27:52,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-11-16 19:27:52,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-11-16 19:27:52,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-11-16 19:27:52,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-11-16 19:27:52,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-11-16 19:27:52,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-11-16 19:27:52,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-11-16 19:27:52,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-11-16 19:27:52,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-11-16 19:27:52,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-11-16 19:27:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-11-16 19:27:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-11-16 19:27:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-11-16 19:27:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-11-16 19:27:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2022-11-16 19:27:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2022-11-16 19:27:52,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-11-16 19:27:52,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-11-16 19:27:52,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-11-16 19:27:52,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-11-16 19:27:52,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-11-16 19:27:52,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-11-16 19:27:52,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-11-16 19:27:52,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-11-16 19:27:52,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-11-16 19:27:52,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-11-16 19:27:52,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 19:27:52,121 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:52,126 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 19:27:52,127 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:27:52,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:27:52 BasicIcfg [2022-11-16 19:27:52,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:27:52,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:27:52,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:27:52,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:27:52,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:27:24" (3/4) ... [2022-11-16 19:27:52,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:27:52,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 19:27:52,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 19:27:52,147 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 19:27:52,148 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 19:27:52,148 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 19:27:52,149 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:27:52,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:27:52,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:27:52,193 INFO L158 Benchmark]: Toolchain (without parser) took 28834.17ms. Allocated memory was 102.8MB in the beginning and 736.1MB in the end (delta: 633.3MB). Free memory was 70.1MB in the beginning and 338.0MB in the end (delta: -267.8MB). Peak memory consumption was 365.2MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,194 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:27:52,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.88ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 76.4MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.44ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 73.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,195 INFO L158 Benchmark]: Boogie Preprocessor took 51.95ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,196 INFO L158 Benchmark]: RCFGBuilder took 1010.68ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 99.1MB in the end (delta: -29.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,196 INFO L158 Benchmark]: TraceAbstraction took 27282.92ms. Allocated memory was 130.0MB in the beginning and 736.1MB in the end (delta: 606.1MB). Free memory was 98.2MB in the beginning and 342.2MB in the end (delta: -244.0MB). Peak memory consumption was 362.1MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,197 INFO L158 Benchmark]: Witness Printer took 61.91ms. Allocated memory is still 736.1MB. Free memory was 342.2MB in the beginning and 338.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 19:27:52,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.88ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 76.4MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.44ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 73.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.95ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.68ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 99.1MB in the end (delta: -29.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 27282.92ms. Allocated memory was 130.0MB in the beginning and 736.1MB in the end (delta: 606.1MB). Free memory was 98.2MB in the beginning and 342.2MB in the end (delta: -244.0MB). Peak memory consumption was 362.1MB. Max. memory is 16.1GB. * Witness Printer took 61.91ms. Allocated memory is still 736.1MB. Free memory was 342.2MB in the beginning and 338.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.1s, 347 PlacesBefore, 114 PlacesAfterwards, 359 TransitionsBefore, 117 TransitionsAfterwards, 18860 CoEnabledTransitionPairs, 21 FixpointIterations, 163 TrivialSequentialCompositions, 199 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 19 ConcurrentYvCompositions, 9 ChoiceCompositions, 415 TotalNumberOfCompositions, 193800 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47150, independent: 44096, independent conditional: 0, independent unconditional: 44096, dependent: 3054, dependent conditional: 0, dependent unconditional: 3054, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15615, independent: 15409, independent conditional: 0, independent unconditional: 15409, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15615, independent: 12461, independent conditional: 0, independent unconditional: 12461, dependent: 3154, dependent conditional: 0, dependent unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3154, independent: 2948, independent conditional: 0, independent unconditional: 2948, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4131, independent: 3552, independent conditional: 0, independent unconditional: 3552, dependent: 578, dependent conditional: 0, dependent unconditional: 578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47150, independent: 28687, independent conditional: 0, independent unconditional: 28687, dependent: 2848, dependent conditional: 0, dependent unconditional: 2848, unknown: 15615, unknown conditional: 0, unknown unconditional: 15615] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1675, Positive conditional cache size: 0, Positive unconditional cache size: 1675, Negative cache size: 121, Negative conditional cache size: 0, Negative unconditional cache size: 121, 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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 5 procedures, 499 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 27.1s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 452 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 452 mSDsluCounter, 611 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 619 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3078 IncrementalHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 619 mSolverCounterUnsat, 340 mSDtfsCounter, 3078 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10973occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1072 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 249 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 791 SizeOfPredicates, 2 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 213/256 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 19:27:52,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa2a4ee-75b8-4b0d-a441-4e4b03b9cc19/bin/utaipan-Xvt2sAort0/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