./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:07:10,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:07:10,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:07:10,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:07:10,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:07:10,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:07:10,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:07:10,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:07:10,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:07:10,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:07:10,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:07:10,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:07:10,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:07:10,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:07:10,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:07:10,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:07:10,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:07:10,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:07:10,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:07:10,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:07:10,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:07:10,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:07:10,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:07:10,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:07:10,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:07:10,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:07:10,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:07:10,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:07:10,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:07:10,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:07:10,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:07:10,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:07:10,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:07:10,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:07:10,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:07:10,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:07:10,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:07:10,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:07:10,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:07:10,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:07:10,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:07:10,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 01:07:10,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:07:10,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:07:10,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:07:10,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:07:10,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:07:10,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:07:10,690 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:07:10,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:07:10,691 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:07:10,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:07:10,693 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:07:10,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:07:10,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:07:10,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:07:10,694 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:07:10,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:07:10,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:07:10,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:07:10,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:07:10,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:07:10,696 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:07:10,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:07:10,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:07:10,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:07:10,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:07:10,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:07:10,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:07:10,698 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 01:07:10,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:07:10,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:07:10,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:07:10,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:07:10,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:07:10,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:07:10,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:10,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:07:10,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:07:10,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:07:10,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:07:10,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:07:10,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:07:10,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:07:10,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:07:10,703 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_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a [2022-11-26 01:07:11,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:07:11,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:07:11,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:07:11,088 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:07:11,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:07:11,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-11-26 01:07:14,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:07:14,500 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:07:14,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-11-26 01:07:14,511 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/data/a76931427/edba92f455444c24893bff04e5406b2b/FLAG4f6fd3894 [2022-11-26 01:07:14,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/data/a76931427/edba92f455444c24893bff04e5406b2b [2022-11-26 01:07:14,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:07:14,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:07:14,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:14,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:07:14,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:07:14,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:14" (1/1) ... [2022-11-26 01:07:14,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bf4e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:14, skipping insertion in model container [2022-11-26 01:07:14,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:14" (1/1) ... [2022-11-26 01:07:14,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:07:14,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:07:14,993 WARN L237 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_5b52f190-323c-4511-ac52-eadd187e74f0/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-11-26 01:07:15,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:15,032 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:07:15,098 WARN L237 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_5b52f190-323c-4511-ac52-eadd187e74f0/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-11-26 01:07:15,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:15,137 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:07:15,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15 WrapperNode [2022-11-26 01:07:15,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:15,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:15,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:07:15,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:07:15,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,224 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 290 [2022-11-26 01:07:15,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:15,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:07:15,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:07:15,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:07:15,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:07:15,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:07:15,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:07:15,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:07:15,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (1/1) ... [2022-11-26 01:07:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:15,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:15,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:07:15,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:07:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:07:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-26 01:07:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-26 01:07:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-26 01:07:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-26 01:07:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:07:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:07:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:07:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:07:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:07:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:07:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:07:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:07:15,393 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 01:07:15,537 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:07:15,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:07:16,304 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:07:16,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:07:16,327 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 01:07:16,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:16 BoogieIcfgContainer [2022-11-26 01:07:16,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:07:16,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:07:16,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:07:16,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:07:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:07:14" (1/3) ... [2022-11-26 01:07:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436b632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:16, skipping insertion in model container [2022-11-26 01:07:16,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:15" (2/3) ... [2022-11-26 01:07:16,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436b632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:16, skipping insertion in model container [2022-11-26 01:07:16,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:16" (3/3) ... [2022-11-26 01:07:16,357 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2022-11-26 01:07:16,369 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 01:07:16,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:07:16,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-26 01:07:16,382 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 01:07:16,598 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-26 01:07:16,660 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:07:16,699 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 359 transitions, 734 flow [2022-11-26 01:07:16,702 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 359 transitions, 734 flow [2022-11-26 01:07:16,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 359 transitions, 734 flow [2022-11-26 01:07:17,009 INFO L130 PetriNetUnfolder]: 19/357 cut-off events. [2022-11-26 01:07:17,010 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 01:07:17,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 357 events. 19/357 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 658 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 233. Up to 3 conditions per place. [2022-11-26 01:07:17,039 INFO L119 LiptonReduction]: Number of co-enabled transitions 18860 [2022-11-26 01:07:32,316 INFO L134 LiptonReduction]: Checked pairs total: 193248 [2022-11-26 01:07:32,317 INFO L136 LiptonReduction]: Total number of compositions: 411 [2022-11-26 01:07:32,329 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 117 transitions, 250 flow [2022-11-26 01:07:32,712 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:32,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:07:32,755 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;@7b85f882, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:07:32,756 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-11-26 01:07:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-26 01:07:32,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:32,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-26 01:07:32,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:32,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 43528, now seen corresponding path program 1 times [2022-11-26 01:07:32,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:32,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885928156] [2022-11-26 01:07:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:32,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:33,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:33,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885928156] [2022-11-26 01:07:33,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885928156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:33,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:33,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:07:33,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473804848] [2022-11-26 01:07:33,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:33,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:07:33,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:33,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:07:33,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:07:33,179 INFO L87 Difference]: Start difference. First operand has 10973 states, 10666 states have (on average 3.0660041252578285) internal successors, (32702), 10972 states have internal predecessors, (32702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:33,497 INFO L93 Difference]: Finished difference Result 7423 states and 21877 transitions. [2022-11-26 01:07:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:07:33,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-11-26 01:07:33,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:33,588 INFO L225 Difference]: With dead ends: 7423 [2022-11-26 01:07:33,588 INFO L226 Difference]: Without dead ends: 7420 [2022-11-26 01:07:33,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:07:33,594 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:33,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7420 states. [2022-11-26 01:07:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7420 to 7420. [2022-11-26 01:07:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7420 states, 7366 states have (on average 2.9690469725767037) internal successors, (21870), 7419 states have internal predecessors, (21870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 21870 transitions. [2022-11-26 01:07:33,990 INFO L78 Accepts]: Start accepts. Automaton has 7420 states and 21870 transitions. Word has length 2 [2022-11-26 01:07:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:33,992 INFO L495 AbstractCegarLoop]: Abstraction has 7420 states and 21870 transitions. [2022-11-26 01:07:33,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7420 states and 21870 transitions. [2022-11-26 01:07:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 01:07:33,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:33,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:33,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:07:33,999 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:34,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:34,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2002527617, now seen corresponding path program 1 times [2022-11-26 01:07:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:34,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44811298] [2022-11-26 01:07:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:34,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:07:34,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:34,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44811298] [2022-11-26 01:07:34,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44811298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:34,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:34,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:34,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487737213] [2022-11-26 01:07:34,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:34,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:34,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:34,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:34,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:34,381 INFO L87 Difference]: Start difference. First operand 7420 states and 21870 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-26 01:07:34,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:34,626 INFO L93 Difference]: Finished difference Result 7422 states and 21872 transitions. [2022-11-26 01:07:34,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:34,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-26 01:07:34,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:34,687 INFO L225 Difference]: With dead ends: 7422 [2022-11-26 01:07:34,687 INFO L226 Difference]: Without dead ends: 7422 [2022-11-26 01:07:34,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:34,689 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:34,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7422 states. [2022-11-26 01:07:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7422 to 7422. [2022-11-26 01:07:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7422 states, 7368 states have (on average 2.968512486427796) internal successors, (21872), 7421 states have internal predecessors, (21872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 21872 transitions. [2022-11-26 01:07:34,997 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 21872 transitions. Word has length 10 [2022-11-26 01:07:34,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:34,997 INFO L495 AbstractCegarLoop]: Abstraction has 7422 states and 21872 transitions. [2022-11-26 01:07:34,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-26 01:07:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 21872 transitions. [2022-11-26 01:07:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:07:34,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:34,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:34,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:07:35,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:35,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:35,000 INFO L85 PathProgramCache]: Analyzing trace with hash 618620486, now seen corresponding path program 1 times [2022-11-26 01:07:35,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:35,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74556638] [2022-11-26 01:07:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:07:35,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:35,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74556638] [2022-11-26 01:07:35,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74556638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:35,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711296965] [2022-11-26 01:07:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:35,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:35,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:35,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:07:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:35,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:07:35,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:07:35,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:07:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:07:35,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711296965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:07:35,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [316955560] [2022-11-26 01:07:35,577 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 01:07:35,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:07:35,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-11-26 01:07:35,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62521836] [2022-11-26 01:07:35,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:07:35,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:07:35,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:35,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:07:35,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:07:35,582 INFO L87 Difference]: Start difference. First operand 7422 states and 21872 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2022-11-26 01:07:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:35,876 INFO L93 Difference]: Finished difference Result 7428 states and 21878 transitions. [2022-11-26 01:07:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:07:35,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:07:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:35,917 INFO L225 Difference]: With dead ends: 7428 [2022-11-26 01:07:35,917 INFO L226 Difference]: Without dead ends: 7428 [2022-11-26 01:07:35,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:07:35,919 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:35,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:07:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2022-11-26 01:07:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 7428. [2022-11-26 01:07:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 7374 states have (on average 2.9669107675617035) internal successors, (21878), 7427 states have internal predecessors, (21878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 21878 transitions. [2022-11-26 01:07:36,295 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 21878 transitions. Word has length 12 [2022-11-26 01:07:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:36,295 INFO L495 AbstractCegarLoop]: Abstraction has 7428 states and 21878 transitions. [2022-11-26 01:07:36,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2022-11-26 01:07:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 21878 transitions. [2022-11-26 01:07:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-26 01:07:36,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:36,297 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:36,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:36,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:36,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:36,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash -865197887, now seen corresponding path program 2 times [2022-11-26 01:07:36,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:36,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420735986] [2022-11-26 01:07:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:36,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 01:07:36,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:36,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420735986] [2022-11-26 01:07:36,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420735986] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:36,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591381559] [2022-11-26 01:07:36,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 01:07:36,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:36,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:36,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:36,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:07:36,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 01:07:36,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:07:36,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-26 01:07:36,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:37,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:07:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-26 01:07:37,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,128 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:07:37,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-26 01:07:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 01:07:37,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:07:37,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591381559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:37,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:07:37,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-11-26 01:07:37,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405729128] [2022-11-26 01:07:37,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:37,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:07:37,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:37,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:07:37,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:07:37,167 INFO L87 Difference]: Start difference. First operand 7428 states and 21878 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:38,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:38,116 INFO L93 Difference]: Finished difference Result 6408 states and 18690 transitions. [2022-11-26 01:07:38,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:07:38,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-26 01:07:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:38,147 INFO L225 Difference]: With dead ends: 6408 [2022-11-26 01:07:38,147 INFO L226 Difference]: Without dead ends: 6408 [2022-11-26 01:07:38,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:07:38,149 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 155 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:38,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 46 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 01:07:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2022-11-26 01:07:38,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 6408. [2022-11-26 01:07:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6408 states, 6379 states have (on average 2.929926320739928) internal successors, (18690), 6407 states have internal predecessors, (18690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6408 states to 6408 states and 18690 transitions. [2022-11-26 01:07:38,447 INFO L78 Accepts]: Start accepts. Automaton has 6408 states and 18690 transitions. Word has length 18 [2022-11-26 01:07:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:38,448 INFO L495 AbstractCegarLoop]: Abstraction has 6408 states and 18690 transitions. [2022-11-26 01:07:38,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 6408 states and 18690 transitions. [2022-11-26 01:07:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 01:07:38,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:38,458 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:38,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:38,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:38,664 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:38,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash 998977433, now seen corresponding path program 1 times [2022-11-26 01:07:38,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:38,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246101416] [2022-11-26 01:07:38,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 01:07:38,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:38,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246101416] [2022-11-26 01:07:38,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246101416] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:38,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525216462] [2022-11-26 01:07:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:38,923 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:38,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:07:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:39,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:07:39,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 01:07:39,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:07:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 01:07:39,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525216462] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:07:39,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1481145986] [2022-11-26 01:07:39,251 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 01:07:39,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:07:39,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-26 01:07:39,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694026196] [2022-11-26 01:07:39,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:07:39,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 01:07:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:39,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 01:07:39,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:07:39,255 INFO L87 Difference]: Start difference. First operand 6408 states and 18690 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:39,480 INFO L93 Difference]: Finished difference Result 6410 states and 18692 transitions. [2022-11-26 01:07:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:07:39,481 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-26 01:07:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:39,516 INFO L225 Difference]: With dead ends: 6410 [2022-11-26 01:07:39,516 INFO L226 Difference]: Without dead ends: 6410 [2022-11-26 01:07:39,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:07:39,518 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:39,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:39,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6410 states. [2022-11-26 01:07:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6410 to 6410. [2022-11-26 01:07:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6410 states, 6381 states have (on average 2.9293214229744553) internal successors, (18692), 6409 states have internal predecessors, (18692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6410 states to 6410 states and 18692 transitions. [2022-11-26 01:07:39,917 INFO L78 Accepts]: Start accepts. Automaton has 6410 states and 18692 transitions. Word has length 21 [2022-11-26 01:07:39,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:39,918 INFO L495 AbstractCegarLoop]: Abstraction has 6410 states and 18692 transitions. [2022-11-26 01:07:39,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 6410 states and 18692 transitions. [2022-11-26 01:07:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 01:07:39,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:39,920 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:39,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:40,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:40,127 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:40,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:40,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1326598348, now seen corresponding path program 2 times [2022-11-26 01:07:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:40,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357403471] [2022-11-26 01:07:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:40,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:40,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:40,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357403471] [2022-11-26 01:07:40,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357403471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:40,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:40,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853945564] [2022-11-26 01:07:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:40,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:40,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:40,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:40,548 INFO L87 Difference]: Start difference. First operand 6410 states and 18692 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:41,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:41,281 INFO L93 Difference]: Finished difference Result 6436 states and 18412 transitions. [2022-11-26 01:07:41,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-26 01:07:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:41,309 INFO L225 Difference]: With dead ends: 6436 [2022-11-26 01:07:41,309 INFO L226 Difference]: Without dead ends: 6436 [2022-11-26 01:07:41,309 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 [2022-11-26 01:07:41,310 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 56 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:41,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 33 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:07:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6436 states. [2022-11-26 01:07:41,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6436 to 6046. [2022-11-26 01:07:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6046 states, 6027 states have (on average 2.926829268292683) internal successors, (17640), 6045 states have internal predecessors, (17640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6046 states to 6046 states and 17640 transitions. [2022-11-26 01:07:41,483 INFO L78 Accepts]: Start accepts. Automaton has 6046 states and 17640 transitions. Word has length 23 [2022-11-26 01:07:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:41,484 INFO L495 AbstractCegarLoop]: Abstraction has 6046 states and 17640 transitions. [2022-11-26 01:07:41,484 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) [2022-11-26 01:07:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6046 states and 17640 transitions. [2022-11-26 01:07:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 01:07:41,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:41,486 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:41,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:07:41,486 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:41,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:41,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1459802435, now seen corresponding path program 1 times [2022-11-26 01:07:41,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:41,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827889821] [2022-11-26 01:07:41,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:41,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:42,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:42,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827889821] [2022-11-26 01:07:42,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827889821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:42,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:42,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336725614] [2022-11-26 01:07:42,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:42,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:42,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:42,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:42,042 INFO L87 Difference]: Start difference. First operand 6046 states and 17640 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:42,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:42,798 INFO L93 Difference]: Finished difference Result 5845 states and 16869 transitions. [2022-11-26 01:07:42,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:42,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-26 01:07:42,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:42,829 INFO L225 Difference]: With dead ends: 5845 [2022-11-26 01:07:42,829 INFO L226 Difference]: Without dead ends: 5845 [2022-11-26 01:07:42,829 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 [2022-11-26 01:07:42,830 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 63 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:42,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 38 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:07:42,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5845 states. [2022-11-26 01:07:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5648. [2022-11-26 01:07:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5648 states, 5637 states have (on average 2.927088877062267) internal successors, (16500), 5647 states have internal predecessors, (16500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5648 states to 5648 states and 16500 transitions. [2022-11-26 01:07:43,005 INFO L78 Accepts]: Start accepts. Automaton has 5648 states and 16500 transitions. Word has length 24 [2022-11-26 01:07:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:43,006 INFO L495 AbstractCegarLoop]: Abstraction has 5648 states and 16500 transitions. [2022-11-26 01:07:43,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5648 states and 16500 transitions. [2022-11-26 01:07:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-26 01:07:43,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:43,009 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:43,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:07:43,009 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1191804339, now seen corresponding path program 1 times [2022-11-26 01:07:43,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:43,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116041471] [2022-11-26 01:07:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:43,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:43,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116041471] [2022-11-26 01:07:43,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116041471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:43,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:43,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:43,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393419720] [2022-11-26 01:07:43,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:43,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:43,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:43,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:43,771 INFO L87 Difference]: Start difference. First operand 5648 states and 16500 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:44,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:44,426 INFO L93 Difference]: Finished difference Result 5447 states and 15729 transitions. [2022-11-26 01:07:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:44,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-26 01:07:44,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:44,453 INFO L225 Difference]: With dead ends: 5447 [2022-11-26 01:07:44,454 INFO L226 Difference]: Without dead ends: 5397 [2022-11-26 01:07:44,454 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 [2022-11-26 01:07:44,455 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 67 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:44,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 37 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:07:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2022-11-26 01:07:44,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5200. [2022-11-26 01:07:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 5197 states have (on average 2.9359245718683855) internal successors, (15258), 5199 states have internal predecessors, (15258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 15258 transitions. [2022-11-26 01:07:44,672 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 15258 transitions. Word has length 29 [2022-11-26 01:07:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:44,672 INFO L495 AbstractCegarLoop]: Abstraction has 5200 states and 15258 transitions. [2022-11-26 01:07:44,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 15258 transitions. [2022-11-26 01:07:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-26 01:07:44,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:44,676 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:44,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:07:44,676 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:44,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:44,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1897630633, now seen corresponding path program 1 times [2022-11-26 01:07:44,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:44,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473741869] [2022-11-26 01:07:44,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:45,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:45,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473741869] [2022-11-26 01:07:45,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473741869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:45,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:45,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:45,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969611885] [2022-11-26 01:07:45,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:45,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:45,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:45,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:45,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:45,177 INFO L87 Difference]: Start difference. First operand 5200 states and 15258 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:45,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:45,637 INFO L93 Difference]: Finished difference Result 5172 states and 14912 transitions. [2022-11-26 01:07:45,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:45,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-26 01:07:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:45,655 INFO L225 Difference]: With dead ends: 5172 [2022-11-26 01:07:45,656 INFO L226 Difference]: Without dead ends: 5172 [2022-11-26 01:07:45,656 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 [2022-11-26 01:07:45,657 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 61 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:45,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 34 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:07:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5172 states. [2022-11-26 01:07:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5172 to 4884. [2022-11-26 01:07:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 4883 states have (on average 2.9371288142535326) internal successors, (14342), 4883 states have internal predecessors, (14342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 14342 transitions. [2022-11-26 01:07:45,786 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 14342 transitions. Word has length 29 [2022-11-26 01:07:45,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:45,787 INFO L495 AbstractCegarLoop]: Abstraction has 4884 states and 14342 transitions. [2022-11-26 01:07:45,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 14342 transitions. [2022-11-26 01:07:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 01:07:45,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:45,792 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:45,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 01:07:45,793 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-26 01:07:45,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1322791176, now seen corresponding path program 1 times [2022-11-26 01:07:45,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:45,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011264144] [2022-11-26 01:07:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:46,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:46,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011264144] [2022-11-26 01:07:46,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011264144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:46,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:46,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:46,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926612318] [2022-11-26 01:07:46,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:46,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:46,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:46,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:46,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:46,187 INFO L87 Difference]: Start difference. First operand 4884 states and 14342 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:46,583 INFO L93 Difference]: Finished difference Result 4858 states and 14288 transitions. [2022-11-26 01:07:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:46,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 01:07:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:46,584 INFO L225 Difference]: With dead ends: 4858 [2022-11-26 01:07:46,584 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:07:46,585 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 [2022-11-26 01:07:46,585 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 36 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:46,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 43 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:07:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:07:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:07:46,587 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) [2022-11-26 01:07:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:07:46,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-26 01:07:46,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:46,587 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:07:46,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:07:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:07:46,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:07:46,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-11-26 01:07:46,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-11-26 01:07:46,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-11-26 01:07:46,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-11-26 01:07:46,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-11-26 01:07:46,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-11-26 01:07:46,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-11-26 01:07:46,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-11-26 01:07:46,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-11-26 01:07:46,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-11-26 01:07:46,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-11-26 01:07:46,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-11-26 01:07:46,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-11-26 01:07:46,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-11-26 01:07:46,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-11-26 01:07:46,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-11-26 01:07:46,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-11-26 01:07:46,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-11-26 01:07:46,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-11-26 01:07:46,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-11-26 01:07:46,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-11-26 01:07:46,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-11-26 01:07:46,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-11-26 01:07:46,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-11-26 01:07:46,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-11-26 01:07:46,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-11-26 01:07:46,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-11-26 01:07:46,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-11-26 01:07:46,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-11-26 01:07:46,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-11-26 01:07:46,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-11-26 01:07:46,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-11-26 01:07:46,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2022-11-26 01:07:46,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2022-11-26 01:07:46,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2022-11-26 01:07:46,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2022-11-26 01:07:46,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-11-26 01:07:46,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-11-26 01:07:46,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-11-26 01:07:46,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-11-26 01:07:46,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-11-26 01:07:46,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-11-26 01:07:46,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-11-26 01:07:46,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-11-26 01:07:46,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-11-26 01:07:46,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-11-26 01:07:46,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-11-26 01:07:46,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-11-26 01:07:46,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-11-26 01:07:46,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-11-26 01:07:46,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-11-26 01:07:46,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-11-26 01:07:46,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-11-26 01:07:46,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-11-26 01:07:46,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-11-26 01:07:46,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-11-26 01:07:46,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:07:46,605 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:46,610 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 01:07:46,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:07:46,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:07:46 BasicIcfg [2022-11-26 01:07:46,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:07:46,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:07:46,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:07:46,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:07:46,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:16" (3/4) ... [2022-11-26 01:07:46,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:07:46,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-26 01:07:46,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-26 01:07:46,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-26 01:07:46,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 01:07:46,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:07:46,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:07:46,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:07:46,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:07:46,715 INFO L158 Benchmark]: Toolchain (without parser) took 32172.20ms. Allocated memory was 157.3MB in the beginning and 780.1MB in the end (delta: 622.9MB). Free memory was 126.4MB in the beginning and 234.8MB in the end (delta: -108.5MB). Peak memory consumption was 513.0MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,715 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:07:46,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.03ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 124.1MB in the end (delta: 2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.76ms. Allocated memory is still 157.3MB. Free memory was 124.1MB in the beginning and 121.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,717 INFO L158 Benchmark]: Boogie Preprocessor took 74.13ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 117.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,717 INFO L158 Benchmark]: RCFGBuilder took 1039.61ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 87.6MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,718 INFO L158 Benchmark]: TraceAbstraction took 30270.05ms. Allocated memory was 157.3MB in the beginning and 780.1MB in the end (delta: 622.9MB). Free memory was 87.1MB in the beginning and 238.0MB in the end (delta: -150.9MB). Peak memory consumption was 475.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,719 INFO L158 Benchmark]: Witness Printer took 99.30ms. Allocated memory is still 780.1MB. Free memory was 238.0MB in the beginning and 234.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:46,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.03ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 124.1MB in the end (delta: 2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.76ms. Allocated memory is still 157.3MB. Free memory was 124.1MB in the beginning and 121.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.13ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 117.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1039.61ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 87.6MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 30270.05ms. Allocated memory was 157.3MB in the beginning and 780.1MB in the end (delta: 622.9MB). Free memory was 87.1MB in the beginning and 238.0MB in the end (delta: -150.9MB). Peak memory consumption was 475.1MB. Max. memory is 16.1GB. * Witness Printer took 99.30ms. Allocated memory is still 780.1MB. Free memory was 238.0MB in the beginning and 234.8MB 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: 15.6s, 347 PlacesBefore, 114 PlacesAfterwards, 359 TransitionsBefore, 117 TransitionsAfterwards, 18860 CoEnabledTransitionPairs, 21 FixpointIterations, 165 TrivialSequentialCompositions, 198 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 18 ConcurrentYvCompositions, 9 ChoiceCompositions, 411 TotalNumberOfCompositions, 193248 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50058, independent: 47006, independent conditional: 0, independent unconditional: 47006, dependent: 3052, dependent conditional: 0, dependent unconditional: 3052, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15517, independent: 15311, independent conditional: 0, independent unconditional: 15311, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15517, independent: 12371, independent conditional: 0, independent unconditional: 12371, dependent: 3146, dependent conditional: 0, dependent unconditional: 3146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3146, independent: 2940, independent conditional: 0, independent unconditional: 2940, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4608, independent: 3960, independent conditional: 0, independent unconditional: 3960, dependent: 648, dependent conditional: 0, dependent unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50058, independent: 31695, independent conditional: 0, independent unconditional: 31695, dependent: 2846, dependent conditional: 0, dependent unconditional: 2846, unknown: 15517, unknown conditional: 0, unknown unconditional: 15517] , Statistics on independence cache: Total cache size (in pairs): 1872, Positive cache size: 1752, Positive conditional cache size: 0, Positive unconditional cache size: 1752, Negative cache size: 120, Negative conditional cache size: 0, Negative unconditional cache size: 120, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 499 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 30.0s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 438 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 438 mSDsluCounter, 611 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3090 IncrementalHoareTripleChecker+Invalid, 3668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 340 mSDtfsCounter, 3090 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10973occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1072 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 249 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 2 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 213/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 01:07:46,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52f190-323c-4511-ac52-eadd187e74f0/bin/utaipan-ByfvJB40ur/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