./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/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_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/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_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/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 95e3bac7f28ae020b684175cea363a5866905518c289fbd40a07a7a3764acade --- 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 16:06:40,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:06:40,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:06:40,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:06:40,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:06:40,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:06:40,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:06:40,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:06:40,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:06:40,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:06:40,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:06:40,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:06:40,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:06:40,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:06:40,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:06:40,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:06:40,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:06:40,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:06:40,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:06:40,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:06:40,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:06:40,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:06:40,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:06:40,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:06:40,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:06:40,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:06:40,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:06:40,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:06:40,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:06:40,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:06:40,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:06:40,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:06:40,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:06:40,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:06:40,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:06:40,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:06:40,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:06:40,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:06:40,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:06:40,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:06:40,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:06:40,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-16 16:06:40,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:06:40,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:06:40,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:06:40,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:06:40,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:06:40,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:06:40,989 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:06:40,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:06:40,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:06:40,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:06:40,990 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:06:40,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:06:40,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:06:40,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:06:40,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:06:40,992 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:06:40,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:06:40,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:06:40,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:06:40,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:06:40,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 16:06:40,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:06:40,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:06:40,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:06:40,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:06:40,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:06:40,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:06:40,996 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 16:06:40,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:06:40,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:06:40,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:06:40,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:06:40,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:06:40,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:06:40,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:06:40,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:06:40,999 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:06:40,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:06:40,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:06:41,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:06:41,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:06:41,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:06:41,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:06:41,001 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_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e3bac7f28ae020b684175cea363a5866905518c289fbd40a07a7a3764acade [2022-11-16 16:06:41,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:06:41,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:06:41,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:06:41,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:06:41,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:06:41,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2022-11-16 16:06:41,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/data/5b7a50146/151a9c0f05e84d7eab238fc9ad590554/FLAG21bb03f51 [2022-11-16 16:06:41,826 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:06:41,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2022-11-16 16:06:41,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/data/5b7a50146/151a9c0f05e84d7eab238fc9ad590554/FLAG21bb03f51 [2022-11-16 16:06:42,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/data/5b7a50146/151a9c0f05e84d7eab238fc9ad590554 [2022-11-16 16:06:42,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:06:42,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:06:42,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:06:42,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:06:42,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:06:42,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330112f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42, skipping insertion in model container [2022-11-16 16:06:42,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:06:42,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:06:42,487 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_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c[2641,2654] [2022-11-16 16:06:42,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:06:42,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:06:42,539 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_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c[2641,2654] [2022-11-16 16:06:42,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:06:42,571 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:06:42,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42 WrapperNode [2022-11-16 16:06:42,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:06:42,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:06:42,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:06:42,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:06:42,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,657 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 345 [2022-11-16 16:06:42,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:06:42,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:06:42,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:06:42,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:06:42,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:06:42,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:06:42,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:06:42,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:06:42,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (1/1) ... [2022-11-16 16:06:42,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:06:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:06:42,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:06:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:06:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:06:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 16:06:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 16:06:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 16:06:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 16:06:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:06:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:06:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:06:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:06:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:06:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:06:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:06:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:06:42,840 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 16:06:43,008 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:06:43,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:06:43,818 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:06:43,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:06:43,841 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 16:06:43,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:06:43 BoogieIcfgContainer [2022-11-16 16:06:43,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:06:43,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:06:43,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:06:43,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:06:43,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:06:42" (1/3) ... [2022-11-16 16:06:43,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b0cfe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:06:43, skipping insertion in model container [2022-11-16 16:06:43,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:06:42" (2/3) ... [2022-11-16 16:06:43,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b0cfe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:06:43, skipping insertion in model container [2022-11-16 16:06:43,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:06:43" (3/3) ... [2022-11-16 16:06:43,856 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2022-11-16 16:06:43,864 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 16:06:43,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:06:43,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2022-11-16 16:06:43,876 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 16:06:44,032 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 16:06:44,071 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 16:06:44,086 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 453 transitions, 922 flow [2022-11-16 16:06:44,089 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 453 transitions, 922 flow [2022-11-16 16:06:44,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 436 places, 453 transitions, 922 flow [2022-11-16 16:06:44,341 INFO L130 PetriNetUnfolder]: 24/451 cut-off events. [2022-11-16 16:06:44,341 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 16:06:44,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 451 events. 24/451 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1133 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 317. Up to 2 conditions per place. [2022-11-16 16:06:44,379 INFO L119 LiptonReduction]: Number of co-enabled transitions 36756 [2022-11-16 16:06:59,801 INFO L134 LiptonReduction]: Checked pairs total: 123892 [2022-11-16 16:06:59,802 INFO L136 LiptonReduction]: Total number of compositions: 571 [2022-11-16 16:06:59,819 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 137 transitions, 290 flow [2022-11-16 16:07:00,220 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10830 states, 10082 states have (on average 3.236361832969649) internal successors, (32629), 10829 states have internal predecessors, (32629), 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 16:07:00,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:07:00,253 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;@32146626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:07:00,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2022-11-16 16:07:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 10830 states, 10082 states have (on average 3.236361832969649) internal successors, (32629), 10829 states have internal predecessors, (32629), 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 16:07:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 16:07:00,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:00,305 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 16:07:00,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:00,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:00,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1878, now seen corresponding path program 1 times [2022-11-16 16:07:00,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583166042] [2022-11-16 16:07:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:00,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:00,476 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 16:07:00,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:00,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583166042] [2022-11-16 16:07:00,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583166042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:00,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 16:07:00,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188362543] [2022-11-16 16:07:00,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:00,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:07:00,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:00,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:07:00,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:07:00,535 INFO L87 Difference]: Start difference. First operand has 10830 states, 10082 states have (on average 3.236361832969649) internal successors, (32629), 10829 states have internal predecessors, (32629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:00,761 INFO L93 Difference]: Finished difference Result 4734 states and 13405 transitions. [2022-11-16 16:07:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:07:00,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-16 16:07:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:00,820 INFO L225 Difference]: With dead ends: 4734 [2022-11-16 16:07:00,821 INFO L226 Difference]: Without dead ends: 4729 [2022-11-16 16:07:00,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:07:00,827 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:00,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:07:00,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2022-11-16 16:07:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4729. [2022-11-16 16:07:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4660 states have (on average 2.8742489270386264) internal successors, (13394), 4728 states have internal predecessors, (13394), 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 16:07:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 13394 transitions. [2022-11-16 16:07:01,067 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 13394 transitions. Word has length 1 [2022-11-16 16:07:01,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:01,068 INFO L495 AbstractCegarLoop]: Abstraction has 4729 states and 13394 transitions. [2022-11-16 16:07:01,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 13394 transitions. [2022-11-16 16:07:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:07:01,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:01,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:01,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:07:01,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:01,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2036034472, now seen corresponding path program 1 times [2022-11-16 16:07:01,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:01,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84809864] [2022-11-16 16:07:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:01,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:01,220 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 16:07:01,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:01,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84809864] [2022-11-16 16:07:01,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84809864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:01,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:01,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:07:01,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812249748] [2022-11-16 16:07:01,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:01,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:07:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:07:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:07:01,224 INFO L87 Difference]: Start difference. First operand 4729 states and 13394 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 16:07:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:01,414 INFO L93 Difference]: Finished difference Result 4796 states and 13580 transitions. [2022-11-16 16:07:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:07:01,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-16 16:07:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:01,444 INFO L225 Difference]: With dead ends: 4796 [2022-11-16 16:07:01,445 INFO L226 Difference]: Without dead ends: 4796 [2022-11-16 16:07:01,446 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 16:07:01,447 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 69 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:01,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 67 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:07:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2022-11-16 16:07:01,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4209. [2022-11-16 16:07:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4209 states, 4170 states have (on average 2.855635491606715) internal successors, (11908), 4208 states have internal predecessors, (11908), 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 16:07:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 4209 states and 11908 transitions. [2022-11-16 16:07:01,686 INFO L78 Accepts]: Start accepts. Automaton has 4209 states and 11908 transitions. Word has length 8 [2022-11-16 16:07:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:01,687 INFO L495 AbstractCegarLoop]: Abstraction has 4209 states and 11908 transitions. [2022-11-16 16:07:01,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 16:07:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 11908 transitions. [2022-11-16 16:07:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 16:07:01,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:01,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:01,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:07:01,691 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:01,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash -244469422, now seen corresponding path program 1 times [2022-11-16 16:07:01,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:01,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097408891] [2022-11-16 16:07:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:01,829 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 16:07:01,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:01,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097408891] [2022-11-16 16:07:01,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097408891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:01,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:01,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:07:01,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558194959] [2022-11-16 16:07:01,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:01,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:07:01,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:01,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:07:01,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:07:01,832 INFO L87 Difference]: Start difference. First operand 4209 states and 11908 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:01,948 INFO L93 Difference]: Finished difference Result 4050 states and 11464 transitions. [2022-11-16 16:07:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:07:01,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-16 16:07:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:01,970 INFO L225 Difference]: With dead ends: 4050 [2022-11-16 16:07:01,970 INFO L226 Difference]: Without dead ends: 4050 [2022-11-16 16:07:01,970 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 16:07:01,971 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 68 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:01,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 48 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:07:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4050 states. [2022-11-16 16:07:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4050 to 4027. [2022-11-16 16:07:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4027 states, 3998 states have (on average 2.8514257128564284) internal successors, (11400), 4026 states have internal predecessors, (11400), 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 16:07:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 11400 transitions. [2022-11-16 16:07:02,090 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 11400 transitions. Word has length 9 [2022-11-16 16:07:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:02,091 INFO L495 AbstractCegarLoop]: Abstraction has 4027 states and 11400 transitions. [2022-11-16 16:07:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 11400 transitions. [2022-11-16 16:07:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 16:07:02,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:02,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:02,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:07:02,092 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:02,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash -228321240, now seen corresponding path program 1 times [2022-11-16 16:07:02,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:02,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033887832] [2022-11-16 16:07:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:02,217 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 16:07:02,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:02,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033887832] [2022-11-16 16:07:02,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033887832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:02,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:02,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:07:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596848845] [2022-11-16 16:07:02,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:02,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:07:02,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:02,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:07:02,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:07:02,220 INFO L87 Difference]: Start difference. First operand 4027 states and 11400 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:02,336 INFO L93 Difference]: Finished difference Result 4028 states and 11401 transitions. [2022-11-16 16:07:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:07:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-16 16:07:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:02,446 INFO L225 Difference]: With dead ends: 4028 [2022-11-16 16:07:02,450 INFO L226 Difference]: Without dead ends: 4028 [2022-11-16 16:07:02,450 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 16:07:02,451 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:02,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:07:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4028 states. [2022-11-16 16:07:02,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4028 to 4028. [2022-11-16 16:07:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4028 states, 3999 states have (on average 2.8509627406851714) internal successors, (11401), 4027 states have internal predecessors, (11401), 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 16:07:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 11401 transitions. [2022-11-16 16:07:02,567 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 11401 transitions. Word has length 9 [2022-11-16 16:07:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:02,567 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 11401 transitions. [2022-11-16 16:07:02,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 11401 transitions. [2022-11-16 16:07:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:07:02,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:02,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:02,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:07:02,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:02,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1146737187, now seen corresponding path program 1 times [2022-11-16 16:07:02,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:02,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487730067] [2022-11-16 16:07:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:02,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:07:02,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:02,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487730067] [2022-11-16 16:07:02,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487730067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:02,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:02,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:07:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473227243] [2022-11-16 16:07:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:02,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:07:02,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:02,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:07:02,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:07:02,857 INFO L87 Difference]: Start difference. First operand 4028 states and 11401 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 16:07:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:03,507 INFO L93 Difference]: Finished difference Result 3500 states and 9793 transitions. [2022-11-16 16:07:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 16:07:03,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 16:07:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:03,520 INFO L225 Difference]: With dead ends: 3500 [2022-11-16 16:07:03,521 INFO L226 Difference]: Without dead ends: 3500 [2022-11-16 16:07:03,521 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 16:07:03,522 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 87 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:03,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 89 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 16:07:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2022-11-16 16:07:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3500. [2022-11-16 16:07:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3500 states, 3483 states have (on average 2.8116566178581683) internal successors, (9793), 3499 states have internal predecessors, (9793), 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 16:07:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 9793 transitions. [2022-11-16 16:07:03,614 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 9793 transitions. Word has length 10 [2022-11-16 16:07:03,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:03,614 INFO L495 AbstractCegarLoop]: Abstraction has 3500 states and 9793 transitions. [2022-11-16 16:07:03,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 16:07:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 9793 transitions. [2022-11-16 16:07:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:07:03,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:03,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:03,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:07:03,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:03,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1544811047, now seen corresponding path program 1 times [2022-11-16 16:07:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:03,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696104189] [2022-11-16 16:07:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:07:03,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:03,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696104189] [2022-11-16 16:07:03,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696104189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:03,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:03,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:07:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694857103] [2022-11-16 16:07:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:03,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:07:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:03,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:07:03,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:07:03,886 INFO L87 Difference]: Start difference. First operand 3500 states and 9793 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:04,449 INFO L93 Difference]: Finished difference Result 3234 states and 9029 transitions. [2022-11-16 16:07:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 16:07:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 16:07:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:04,462 INFO L225 Difference]: With dead ends: 3234 [2022-11-16 16:07:04,462 INFO L226 Difference]: Without dead ends: 3234 [2022-11-16 16:07:04,463 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 16:07:04,463 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 72 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:04,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 68 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 16:07:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2022-11-16 16:07:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3234. [2022-11-16 16:07:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 3223 states have (on average 2.8014272417002792) internal successors, (9029), 3233 states have internal predecessors, (9029), 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 16:07:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9029 transitions. [2022-11-16 16:07:04,572 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9029 transitions. Word has length 13 [2022-11-16 16:07:04,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:04,572 INFO L495 AbstractCegarLoop]: Abstraction has 3234 states and 9029 transitions. [2022-11-16 16:07:04,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9029 transitions. [2022-11-16 16:07:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:07:04,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:04,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 16:07:04,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash -637669802, now seen corresponding path program 1 times [2022-11-16 16:07:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:04,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391787733] [2022-11-16 16:07:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:07:04,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:04,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391787733] [2022-11-16 16:07:04,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391787733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:04,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:04,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:07:04,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653643554] [2022-11-16 16:07:04,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:04,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:07:04,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:04,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:07:04,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:07:04,802 INFO L87 Difference]: Start difference. First operand 3234 states and 9029 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 16:07:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:05,128 INFO L93 Difference]: Finished difference Result 2869 states and 8024 transitions. [2022-11-16 16:07:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 16:07:05,129 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 15 [2022-11-16 16:07:05,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:05,137 INFO L225 Difference]: With dead ends: 2869 [2022-11-16 16:07:05,137 INFO L226 Difference]: Without dead ends: 2795 [2022-11-16 16:07:05,138 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 16:07:05,138 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 30 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:05,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 36 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:07:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2795 states. [2022-11-16 16:07:05,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2795 to 2795. [2022-11-16 16:07:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2795 states, 2794 states have (on average 2.8181818181818183) internal successors, (7874), 2794 states have internal predecessors, (7874), 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 16:07:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 7874 transitions. [2022-11-16 16:07:05,204 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 7874 transitions. Word has length 15 [2022-11-16 16:07:05,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:05,204 INFO L495 AbstractCegarLoop]: Abstraction has 2795 states and 7874 transitions. [2022-11-16 16:07:05,204 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 16:07:05,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 7874 transitions. [2022-11-16 16:07:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 16:07:05,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:05,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:05,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 16:07:05,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2022-11-16 16:07:05,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1382667527, now seen corresponding path program 1 times [2022-11-16 16:07:05,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:07:05,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277081387] [2022-11-16 16:07:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:07:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:07:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:07:05,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:07:05,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277081387] [2022-11-16 16:07:05,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277081387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:05,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:05,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:07:05,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836511960] [2022-11-16 16:07:05,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:05,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:07:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:07:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:07:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:07:05,417 INFO L87 Difference]: Start difference. First operand 2795 states and 7874 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:05,808 INFO L93 Difference]: Finished difference Result 2756 states and 7794 transitions. [2022-11-16 16:07:05,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 16:07:05,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 16:07:05,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:05,813 INFO L225 Difference]: With dead ends: 2756 [2022-11-16 16:07:05,813 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:07:05,813 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 16:07:05,814 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 63 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:05,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 67 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 16:07:05,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:07:05,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:07:05,815 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 16:07:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:07:05,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-16 16:07:05,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:05,816 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:07:05,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:07:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:07:05,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:07:05,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (103 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (102 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (101 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (100 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (99 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (98 of 104 remaining) [2022-11-16 16:07:05,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (97 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (96 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (94 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (93 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 104 remaining) [2022-11-16 16:07:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (91 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (90 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (89 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (88 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (87 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (86 of 104 remaining) [2022-11-16 16:07:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (85 of 104 remaining) [2022-11-16 16:07:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (84 of 104 remaining) [2022-11-16 16:07:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (83 of 104 remaining) [2022-11-16 16:07:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (82 of 104 remaining) [2022-11-16 16:07:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (81 of 104 remaining) [2022-11-16 16:07:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (80 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (79 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (78 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (77 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (76 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (75 of 104 remaining) [2022-11-16 16:07:05,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (74 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (73 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (72 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (71 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 104 remaining) [2022-11-16 16:07:05,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (68 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (67 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (66 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (65 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (63 of 104 remaining) [2022-11-16 16:07:05,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (62 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (61 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (60 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (59 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (58 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 104 remaining) [2022-11-16 16:07:05,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 104 remaining) [2022-11-16 16:07:05,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 104 remaining) [2022-11-16 16:07:05,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 104 remaining) [2022-11-16 16:07:05,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 104 remaining) [2022-11-16 16:07:05,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 104 remaining) [2022-11-16 16:07:05,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 104 remaining) [2022-11-16 16:07:05,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 104 remaining) [2022-11-16 16:07:05,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 104 remaining) [2022-11-16 16:07:05,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (32 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 104 remaining) [2022-11-16 16:07:05,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 104 remaining) [2022-11-16 16:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (26 of 104 remaining) [2022-11-16 16:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 104 remaining) [2022-11-16 16:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (24 of 104 remaining) [2022-11-16 16:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 104 remaining) [2022-11-16 16:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (17 of 104 remaining) [2022-11-16 16:07:05,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 104 remaining) [2022-11-16 16:07:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 104 remaining) [2022-11-16 16:07:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 104 remaining) [2022-11-16 16:07:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 104 remaining) [2022-11-16 16:07:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 104 remaining) [2022-11-16 16:07:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 104 remaining) [2022-11-16 16:07:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 104 remaining) [2022-11-16 16:07:05,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 16:07:05,839 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:05,844 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 16:07:05,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:07:05,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:07:05 BasicIcfg [2022-11-16 16:07:05,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:07:05,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:07:05,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:07:05,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:07:05,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:06:43" (3/4) ... [2022-11-16 16:07:05,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:07:05,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 16:07:05,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 16:07:05,865 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-16 16:07:05,866 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 16:07:05,866 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 16:07:05,867 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:07:05,907 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:07:05,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:07:05,908 INFO L158 Benchmark]: Toolchain (without parser) took 23700.23ms. Allocated memory was 123.7MB in the beginning and 408.9MB in the end (delta: 285.2MB). Free memory was 94.4MB in the beginning and 162.9MB in the end (delta: -68.4MB). Peak memory consumption was 215.2MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,909 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.95ms. Allocated memory is still 123.7MB. Free memory was 94.4MB in the beginning and 95.0MB in the end (delta: -613.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.04ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,910 INFO L158 Benchmark]: Boogie Preprocessor took 68.23ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 89.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,910 INFO L158 Benchmark]: RCFGBuilder took 1117.10ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 94.7MB in the end (delta: -5.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,910 INFO L158 Benchmark]: TraceAbstraction took 22001.51ms. Allocated memory was 123.7MB in the beginning and 408.9MB in the end (delta: 285.2MB). Free memory was 94.1MB in the beginning and 166.0MB in the end (delta: -71.9MB). Peak memory consumption was 212.8MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,911 INFO L158 Benchmark]: Witness Printer took 60.37ms. Allocated memory is still 408.9MB. Free memory was 166.0MB in the beginning and 162.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:07:05,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.95ms. Allocated memory is still 123.7MB. Free memory was 94.4MB in the beginning and 95.0MB in the end (delta: -613.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.04ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.23ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 89.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1117.10ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 94.7MB in the end (delta: -5.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 22001.51ms. Allocated memory was 123.7MB in the beginning and 408.9MB in the end (delta: 285.2MB). Free memory was 94.1MB in the beginning and 166.0MB in the end (delta: -71.9MB). Peak memory consumption was 212.8MB. Max. memory is 16.1GB. * Witness Printer took 60.37ms. Allocated memory is still 408.9MB. Free memory was 166.0MB in the beginning and 162.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.7s, 436 PlacesBefore, 131 PlacesAfterwards, 453 TransitionsBefore, 137 TransitionsAfterwards, 36756 CoEnabledTransitionPairs, 11 FixpointIterations, 130 TrivialSequentialCompositions, 365 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 47 ConcurrentYvCompositions, 11 ChoiceCompositions, 571 TotalNumberOfCompositions, 123892 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66641, independent: 65343, independent conditional: 0, independent unconditional: 65343, dependent: 1298, dependent conditional: 0, dependent unconditional: 1298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27794, independent: 27529, independent conditional: 0, independent unconditional: 27529, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27794, independent: 26168, independent conditional: 0, independent unconditional: 26168, dependent: 1626, dependent conditional: 0, dependent unconditional: 1626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1626, independent: 1361, independent conditional: 0, independent unconditional: 1361, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3115, independent: 2454, independent conditional: 0, independent unconditional: 2454, dependent: 661, dependent conditional: 0, dependent unconditional: 661, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66641, independent: 37814, independent conditional: 0, independent unconditional: 37814, dependent: 1033, dependent conditional: 0, dependent unconditional: 1033, unknown: 27794, unknown conditional: 0, unknown unconditional: 27794] , Statistics on independence cache: Total cache size (in pairs): 2972, Positive cache size: 2877, Positive conditional cache size: 0, Positive unconditional cache size: 2877, Negative cache size: 95, Negative conditional cache size: 0, Negative unconditional cache size: 95, 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: 50]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 66]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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, 714 locations, 104 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 482 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1719 IncrementalHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 331 mSDtfsCounter, 1719 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10830occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 610 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 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 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 16:07:05,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f13e0b-64cc-4eb8-bea2-2cb1e2b273c6/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