./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:53:36,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:53:36,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:53:36,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:53:36,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:53:36,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:53:36,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:53:36,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:53:36,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:53:36,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:53:36,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:53:36,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:53:36,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:53:36,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:53:36,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:53:36,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:53:36,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:53:36,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:53:36,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:53:36,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:53:36,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:53:36,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:53:36,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:53:36,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:53:36,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:53:36,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:53:36,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:53:36,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:53:36,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:53:36,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:53:36,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:53:36,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:53:36,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:53:36,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:53:36,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:53:36,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:53:36,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:53:36,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:53:36,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:53:36,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:53:36,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:53:36,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 12:53:36,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:53:36,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:53:36,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:53:36,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:53:36,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:53:36,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:53:36,282 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:53:36,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:53:36,283 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:53:36,284 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:53:36,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:53:36,284 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:53:36,284 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:53:36,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:53:36,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:53:36,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:53:36,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:53:36,287 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 12:53:36,287 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:53:36,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:53:36,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:53:36,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:53:36,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:53:36,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:53:36,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:53:36,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:53:36,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:53:36,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:53:36,289 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_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-12-14 12:53:36,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:53:36,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:53:36,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:53:36,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:53:36,508 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:53:36,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-12-14 12:53:39,141 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:53:39,312 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:53:39,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-12-14 12:53:39,320 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/data/2571d0150/b0799a427ed34dbfa165bb40ac46a298/FLAG34a79cca1 [2022-12-14 12:53:39,334 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/data/2571d0150/b0799a427ed34dbfa165bb40ac46a298 [2022-12-14 12:53:39,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:53:39,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:53:39,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:53:39,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:53:39,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:53:39,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d933ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39, skipping insertion in model container [2022-12-14 12:53:39,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:53:39,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:53:39,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,508 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_abe4916e-d17e-4f67-b65b-6fecf1503ff1/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-12-14 12:53:39,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:53:39,519 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:53:39,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:53:39,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:53:39,550 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_abe4916e-d17e-4f67-b65b-6fecf1503ff1/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-12-14 12:53:39,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:53:39,563 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:53:39,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39 WrapperNode [2022-12-14 12:53:39,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:53:39,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:53:39,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:53:39,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:53:39,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,605 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266 [2022-12-14 12:53:39,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:53:39,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:53:39,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:53:39,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:53:39,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:53:39,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:53:39,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:53:39,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:53:39,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (1/1) ... [2022-12-14 12:53:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:53:39,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:53:39,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:53:39,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:53:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:53:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:53:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:53:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 12:53:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 12:53:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 12:53:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 12:53:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-14 12:53:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 12:53:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:53:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:53:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:53:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:53:39,710 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 12:53:39,804 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:53:39,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:53:40,348 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:53:40,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:53:40,564 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 12:53:40,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:53:40 BoogieIcfgContainer [2022-12-14 12:53:40,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:53:40,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:53:40,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:53:40,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:53:40,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:53:39" (1/3) ... [2022-12-14 12:53:40,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eef288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:53:40, skipping insertion in model container [2022-12-14 12:53:40,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:53:39" (2/3) ... [2022-12-14 12:53:40,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eef288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:53:40, skipping insertion in model container [2022-12-14 12:53:40,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:53:40" (3/3) ... [2022-12-14 12:53:40,584 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-12-14 12:53:40,593 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 12:53:40,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:53:40,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-12-14 12:53:40,604 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 12:53:40,692 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-12-14 12:53:40,726 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 12:53:40,740 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 301 transitions, 642 flow [2022-12-14 12:53:40,743 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 301 transitions, 642 flow [2022-12-14 12:53:40,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 303 places, 301 transitions, 642 flow [2022-12-14 12:53:40,836 INFO L130 PetriNetUnfolder]: 14/296 cut-off events. [2022-12-14 12:53:40,837 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-14 12:53:40,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 296 events. 14/296 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 425 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 221. Up to 2 conditions per place. [2022-12-14 12:53:40,851 INFO L119 LiptonReduction]: Number of co-enabled transitions 14642 [2022-12-14 12:56:34,960 INFO L134 LiptonReduction]: Checked pairs total: 54275 [2022-12-14 12:56:34,960 INFO L136 LiptonReduction]: Total number of compositions: 295 [2022-12-14 12:56:34,966 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 124 transitions, 288 flow [2022-12-14 12:57:31,937 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2029666 states, 1908869 states have (on average 6.361321808882642) internal successors, (12142930), 2029665 states have internal predecessors, (12142930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:31,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:57:31,962 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;@3649160e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:57:31,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2022-12-14 12:57:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 2029666 states, 1908869 states have (on average 6.361321808882642) internal successors, (12142930), 2029665 states have internal predecessors, (12142930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 12:57:39,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:39,496 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 12:57:39,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:39,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1604, now seen corresponding path program 1 times [2022-12-14 12:57:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:39,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698352931] [2022-12-14 12:57:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:39,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:57:39,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:39,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698352931] [2022-12-14 12:57:39,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698352931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:39,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:39,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 12:57:39,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319746287] [2022-12-14 12:57:39,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:39,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:57:39,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:57:39,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:57:43,689 INFO L87 Difference]: Start difference. First operand has 2029666 states, 1908869 states have (on average 6.361321808882642) internal successors, (12142930), 2029665 states have internal predecessors, (12142930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:44,000 INFO L93 Difference]: Finished difference Result 9068 states and 46197 transitions. [2022-12-14 12:57:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:57:44,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 12:57:44,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:44,068 INFO L225 Difference]: With dead ends: 9068 [2022-12-14 12:57:44,068 INFO L226 Difference]: Without dead ends: 9055 [2022-12-14 12:57:44,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:57:44,071 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:44,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:57:44,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9055 states. [2022-12-14 12:57:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9055 to 9055. [2022-12-14 12:57:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9055 states, 9051 states have (on average 5.101093801789857) internal successors, (46170), 9054 states have internal predecessors, (46170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9055 states to 9055 states and 46170 transitions. [2022-12-14 12:57:45,756 INFO L78 Accepts]: Start accepts. Automaton has 9055 states and 46170 transitions. Word has length 1 [2022-12-14 12:57:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:45,756 INFO L495 AbstractCegarLoop]: Abstraction has 9055 states and 46170 transitions. [2022-12-14 12:57:45,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9055 states and 46170 transitions. [2022-12-14 12:57:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 12:57:45,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:45,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:45,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:57:45,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash -827950987, now seen corresponding path program 1 times [2022-12-14 12:57:45,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:45,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815410876] [2022-12-14 12:57:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:57:45,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:45,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815410876] [2022-12-14 12:57:45,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815410876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:45,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:45,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:57:45,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512095816] [2022-12-14 12:57:45,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:57:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:57:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:45,970 INFO L87 Difference]: Start difference. First operand 9055 states and 46170 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:46,294 INFO L93 Difference]: Finished difference Result 9056 states and 46171 transitions. [2022-12-14 12:57:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:57:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 12:57:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:46,358 INFO L225 Difference]: With dead ends: 9056 [2022-12-14 12:57:46,358 INFO L226 Difference]: Without dead ends: 9056 [2022-12-14 12:57:46,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:46,359 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:46,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:57:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9056 states. [2022-12-14 12:57:46,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9056 to 9056. [2022-12-14 12:57:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9056 states, 9052 states have (on average 5.100640742377375) internal successors, (46171), 9055 states have internal predecessors, (46171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9056 states to 9056 states and 46171 transitions. [2022-12-14 12:57:46,637 INFO L78 Accepts]: Start accepts. Automaton has 9056 states and 46171 transitions. Word has length 17 [2022-12-14 12:57:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:46,637 INFO L495 AbstractCegarLoop]: Abstraction has 9056 states and 46171 transitions. [2022-12-14 12:57:46,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 9056 states and 46171 transitions. [2022-12-14 12:57:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 12:57:46,644 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:46,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:46,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:57:46,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:46,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -95988424, now seen corresponding path program 1 times [2022-12-14 12:57:46,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:46,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116456569] [2022-12-14 12:57:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:46,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:57:47,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:47,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116456569] [2022-12-14 12:57:47,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116456569] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:47,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:47,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:47,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974383188] [2022-12-14 12:57:47,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:47,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:57:47,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:47,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:57:47,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:47,205 INFO L87 Difference]: Start difference. First operand 9056 states and 46171 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:48,270 INFO L93 Difference]: Finished difference Result 14252 states and 72151 transitions. [2022-12-14 12:57:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:57:48,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 12:57:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:48,338 INFO L225 Difference]: With dead ends: 14252 [2022-12-14 12:57:48,338 INFO L226 Difference]: Without dead ends: 14252 [2022-12-14 12:57:48,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:48,339 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 76 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:48,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 68 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:57:48,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14252 states. [2022-12-14 12:57:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14252 to 12006. [2022-12-14 12:57:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12006 states, 12002 states have (on average 5.198800199966672) internal successors, (62396), 12005 states have internal predecessors, (62396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12006 states to 12006 states and 62396 transitions. [2022-12-14 12:57:48,793 INFO L78 Accepts]: Start accepts. Automaton has 12006 states and 62396 transitions. Word has length 18 [2022-12-14 12:57:48,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:48,794 INFO L495 AbstractCegarLoop]: Abstraction has 12006 states and 62396 transitions. [2022-12-14 12:57:48,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12006 states and 62396 transitions. [2022-12-14 12:57:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 12:57:48,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:48,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:48,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:57:48,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:48,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1598558565, now seen corresponding path program 1 times [2022-12-14 12:57:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:48,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996887224] [2022-12-14 12:57:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:48,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:57:49,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:49,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996887224] [2022-12-14 12:57:49,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996887224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:49,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:49,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:57:49,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512513703] [2022-12-14 12:57:49,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:49,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:57:49,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:57:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:57:49,442 INFO L87 Difference]: Start difference. First operand 12006 states and 62396 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 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) [2022-12-14 12:57:50,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:50,480 INFO L93 Difference]: Finished difference Result 11256 states and 58271 transitions. [2022-12-14 12:57:50,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:57:50,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 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 21 [2022-12-14 12:57:50,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:50,533 INFO L225 Difference]: With dead ends: 11256 [2022-12-14 12:57:50,533 INFO L226 Difference]: Without dead ends: 11256 [2022-12-14 12:57:50,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-12-14 12:57:50,534 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 176 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:50,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 66 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:57:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11256 states. [2022-12-14 12:57:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11256 to 8256. [2022-12-14 12:57:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8256 states, 8253 states have (on average 5.061311038410275) internal successors, (41771), 8255 states have internal predecessors, (41771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8256 states to 8256 states and 41771 transitions. [2022-12-14 12:57:50,840 INFO L78 Accepts]: Start accepts. Automaton has 8256 states and 41771 transitions. Word has length 21 [2022-12-14 12:57:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:50,841 INFO L495 AbstractCegarLoop]: Abstraction has 8256 states and 41771 transitions. [2022-12-14 12:57:50,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 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) [2022-12-14 12:57:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8256 states and 41771 transitions. [2022-12-14 12:57:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 12:57:50,862 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:50,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:50,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:57:50,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:50,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1438642510, now seen corresponding path program 1 times [2022-12-14 12:57:50,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:50,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639791776] [2022-12-14 12:57:50,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:50,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 12:57:50,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:50,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639791776] [2022-12-14 12:57:50,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639791776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:50,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:50,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:50,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841022284] [2022-12-14 12:57:50,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:50,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:57:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:50,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:57:50,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:50,979 INFO L87 Difference]: Start difference. First operand 8256 states and 41771 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:51,348 INFO L93 Difference]: Finished difference Result 10920 states and 55759 transitions. [2022-12-14 12:57:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:57:51,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 [2022-12-14 12:57:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:51,398 INFO L225 Difference]: With dead ends: 10920 [2022-12-14 12:57:51,398 INFO L226 Difference]: Without dead ends: 10920 [2022-12-14 12:57:51,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:51,399 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 81 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:51,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 66 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:57:51,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10920 states. [2022-12-14 12:57:51,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10920 to 10920. [2022-12-14 12:57:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10920 states, 10917 states have (on average 5.107538701108363) internal successors, (55759), 10919 states have internal predecessors, (55759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 55759 transitions. [2022-12-14 12:57:51,677 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 55759 transitions. Word has length 29 [2022-12-14 12:57:51,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:51,678 INFO L495 AbstractCegarLoop]: Abstraction has 10920 states and 55759 transitions. [2022-12-14 12:57:51,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 55759 transitions. [2022-12-14 12:57:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 12:57:51,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:51,698 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:51,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:57:51,699 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:51,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:51,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1836981229, now seen corresponding path program 1 times [2022-12-14 12:57:51,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:51,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211627331] [2022-12-14 12:57:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:57:52,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:52,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211627331] [2022-12-14 12:57:52,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211627331] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:52,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:52,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:52,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934804592] [2022-12-14 12:57:52,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:52,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:57:52,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:52,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:57:52,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:52,090 INFO L87 Difference]: Start difference. First operand 10920 states and 55759 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:52,824 INFO L93 Difference]: Finished difference Result 11956 states and 59919 transitions. [2022-12-14 12:57:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:57:52,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 12:57:52,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:52,867 INFO L225 Difference]: With dead ends: 11956 [2022-12-14 12:57:52,868 INFO L226 Difference]: Without dead ends: 11956 [2022-12-14 12:57:52,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:52,868 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 64 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:52,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 59 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:57:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11956 states. [2022-12-14 12:57:53,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11956 to 11510. [2022-12-14 12:57:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11510 states, 11507 states have (on average 5.076388285391501) internal successors, (58414), 11509 states have internal predecessors, (58414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11510 states to 11510 states and 58414 transitions. [2022-12-14 12:57:53,127 INFO L78 Accepts]: Start accepts. Automaton has 11510 states and 58414 transitions. Word has length 31 [2022-12-14 12:57:53,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:53,127 INFO L495 AbstractCegarLoop]: Abstraction has 11510 states and 58414 transitions. [2022-12-14 12:57:53,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 11510 states and 58414 transitions. [2022-12-14 12:57:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 12:57:53,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:53,149 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:53,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:57:53,149 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:53,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1646559442, now seen corresponding path program 1 times [2022-12-14 12:57:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:53,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600746588] [2022-12-14 12:57:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:57:53,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:53,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600746588] [2022-12-14 12:57:53,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600746588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:53,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:53,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:57:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056129045] [2022-12-14 12:57:53,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:53,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:57:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:53,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:57:53,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:57:53,705 INFO L87 Difference]: Start difference. First operand 11510 states and 58414 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:54,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:54,698 INFO L93 Difference]: Finished difference Result 11360 states and 57739 transitions. [2022-12-14 12:57:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:57:54,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 34 [2022-12-14 12:57:54,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:54,738 INFO L225 Difference]: With dead ends: 11360 [2022-12-14 12:57:54,738 INFO L226 Difference]: Without dead ends: 11360 [2022-12-14 12:57:54,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 12:57:54,739 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 153 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:54,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 69 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:57:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11360 states. [2022-12-14 12:57:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11360 to 10760. [2022-12-14 12:57:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10758 states have (on average 5.116099646774494) internal successors, (55039), 10759 states have internal predecessors, (55039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 55039 transitions. [2022-12-14 12:57:54,981 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 55039 transitions. Word has length 34 [2022-12-14 12:57:54,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:54,981 INFO L495 AbstractCegarLoop]: Abstraction has 10760 states and 55039 transitions. [2022-12-14 12:57:54,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 55039 transitions. [2022-12-14 12:57:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 12:57:55,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:55,002 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:55,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:57:55,002 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:55,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:55,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2107305645, now seen corresponding path program 1 times [2022-12-14 12:57:55,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:55,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361829585] [2022-12-14 12:57:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:57:55,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:55,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361829585] [2022-12-14 12:57:55,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361829585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:55,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:55,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:55,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028982257] [2022-12-14 12:57:55,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:55,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:57:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:55,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:57:55,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:55,102 INFO L87 Difference]: Start difference. First operand 10760 states and 55039 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:55,453 INFO L93 Difference]: Finished difference Result 14932 states and 76627 transitions. [2022-12-14 12:57:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:57:55,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 42 [2022-12-14 12:57:55,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:55,509 INFO L225 Difference]: With dead ends: 14932 [2022-12-14 12:57:55,509 INFO L226 Difference]: Without dead ends: 14932 [2022-12-14 12:57:55,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:55,509 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 83 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:55,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 69 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:57:55,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14932 states. [2022-12-14 12:57:55,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14932 to 14932. [2022-12-14 12:57:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14932 states, 14930 states have (on average 5.132417950435365) internal successors, (76627), 14931 states have internal predecessors, (76627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14932 states to 14932 states and 76627 transitions. [2022-12-14 12:57:55,871 INFO L78 Accepts]: Start accepts. Automaton has 14932 states and 76627 transitions. Word has length 42 [2022-12-14 12:57:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:55,871 INFO L495 AbstractCegarLoop]: Abstraction has 14932 states and 76627 transitions. [2022-12-14 12:57:55,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 14932 states and 76627 transitions. [2022-12-14 12:57:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 12:57:55,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:55,902 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:55,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:57:55,903 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:55,903 INFO L85 PathProgramCache]: Analyzing trace with hash -83206322, now seen corresponding path program 1 times [2022-12-14 12:57:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:55,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838421678] [2022-12-14 12:57:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:57:56,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:56,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838421678] [2022-12-14 12:57:56,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838421678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:56,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:56,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133820300] [2022-12-14 12:57:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:56,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:57:56,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:56,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:57:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:56,336 INFO L87 Difference]: Start difference. First operand 14932 states and 76627 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:56,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:56,914 INFO L93 Difference]: Finished difference Result 15136 states and 77255 transitions. [2022-12-14 12:57:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:57:56,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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 44 [2022-12-14 12:57:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:56,969 INFO L225 Difference]: With dead ends: 15136 [2022-12-14 12:57:56,969 INFO L226 Difference]: Without dead ends: 15136 [2022-12-14 12:57:56,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:57:56,970 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 40 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:56,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 56 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 12:57:56,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15136 states. [2022-12-14 12:57:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15136 to 15050. [2022-12-14 12:57:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15050 states, 15048 states have (on average 5.119617224880383) internal successors, (77040), 15049 states have internal predecessors, (77040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15050 states to 15050 states and 77040 transitions. [2022-12-14 12:57:57,338 INFO L78 Accepts]: Start accepts. Automaton has 15050 states and 77040 transitions. Word has length 44 [2022-12-14 12:57:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:57,338 INFO L495 AbstractCegarLoop]: Abstraction has 15050 states and 77040 transitions. [2022-12-14 12:57:57,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 15050 states and 77040 transitions. [2022-12-14 12:57:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 12:57:57,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:57,369 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:57,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:57:57,369 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:57,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash 248174583, now seen corresponding path program 1 times [2022-12-14 12:57:57,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:57,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124562588] [2022-12-14 12:57:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:57,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:57:57,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:57,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124562588] [2022-12-14 12:57:57,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124562588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:57,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:57,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:57:57,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427685824] [2022-12-14 12:57:57,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:57,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:57:57,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:57,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:57:57,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:57:57,926 INFO L87 Difference]: Start difference. First operand 15050 states and 77040 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:58,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:58,818 INFO L93 Difference]: Finished difference Result 15020 states and 76935 transitions. [2022-12-14 12:57:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:57:58,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 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 47 [2022-12-14 12:57:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:58,871 INFO L225 Difference]: With dead ends: 15020 [2022-12-14 12:57:58,872 INFO L226 Difference]: Without dead ends: 15020 [2022-12-14 12:57:58,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 12:57:58,872 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:58,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 66 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:57:58,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15020 states. [2022-12-14 12:57:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15020 to 14900. [2022-12-14 12:57:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14900 states, 14899 states have (on average 5.1355795690985975) internal successors, (76515), 14899 states have internal predecessors, (76515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14900 states to 14900 states and 76515 transitions. [2022-12-14 12:57:59,247 INFO L78 Accepts]: Start accepts. Automaton has 14900 states and 76515 transitions. Word has length 47 [2022-12-14 12:57:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:59,247 INFO L495 AbstractCegarLoop]: Abstraction has 14900 states and 76515 transitions. [2022-12-14 12:57:59,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 14900 states and 76515 transitions. [2022-12-14 12:57:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 12:57:59,278 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:59,278 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:59,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:57:59,278 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:57:59,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash -953129336, now seen corresponding path program 1 times [2022-12-14 12:57:59,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:59,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502370084] [2022-12-14 12:57:59,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:59,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 12:57:59,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:59,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502370084] [2022-12-14 12:57:59,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502370084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:59,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:59,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:59,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847868019] [2022-12-14 12:57:59,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:59,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:57:59,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:59,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:57:59,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:59,381 INFO L87 Difference]: Start difference. First operand 14900 states and 76515 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:57:59,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:59,792 INFO L93 Difference]: Finished difference Result 22264 states and 114539 transitions. [2022-12-14 12:57:59,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:57:59,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 54 [2022-12-14 12:57:59,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:59,877 INFO L225 Difference]: With dead ends: 22264 [2022-12-14 12:57:59,877 INFO L226 Difference]: Without dead ends: 22264 [2022-12-14 12:57:59,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:57:59,878 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 76 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:59,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 70 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:57:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22264 states. [2022-12-14 12:58:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22264 to 22264. [2022-12-14 12:58:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22264 states, 22263 states have (on average 5.144814265822216) internal successors, (114539), 22263 states have internal predecessors, (114539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22264 states to 22264 states and 114539 transitions. [2022-12-14 12:58:00,491 INFO L78 Accepts]: Start accepts. Automaton has 22264 states and 114539 transitions. Word has length 54 [2022-12-14 12:58:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:00,492 INFO L495 AbstractCegarLoop]: Abstraction has 22264 states and 114539 transitions. [2022-12-14 12:58:00,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 22264 states and 114539 transitions. [2022-12-14 12:58:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 12:58:00,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:00,537 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:58:00,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:58:00,538 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:58:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1134537440, now seen corresponding path program 1 times [2022-12-14 12:58:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780947115] [2022-12-14 12:58:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 12:58:00,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:00,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780947115] [2022-12-14 12:58:00,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780947115] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:00,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:00,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:58:00,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309137752] [2022-12-14 12:58:00,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:00,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:58:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:00,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:58:00,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:58:00,957 INFO L87 Difference]: Start difference. First operand 22264 states and 114539 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:01,778 INFO L93 Difference]: Finished difference Result 22286 states and 114588 transitions. [2022-12-14 12:58:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:58:01,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 56 [2022-12-14 12:58:01,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:01,850 INFO L225 Difference]: With dead ends: 22286 [2022-12-14 12:58:01,850 INFO L226 Difference]: Without dead ends: 16898 [2022-12-14 12:58:01,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:58:01,851 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 16 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:01,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 57 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:58:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16898 states. [2022-12-14 12:58:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16898 to 16898. [2022-12-14 12:58:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16898 states, 16897 states have (on average 5.126827247440374) internal successors, (86628), 16897 states have internal predecessors, (86628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16898 states to 16898 states and 86628 transitions. [2022-12-14 12:58:02,307 INFO L78 Accepts]: Start accepts. Automaton has 16898 states and 86628 transitions. Word has length 56 [2022-12-14 12:58:02,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:02,307 INFO L495 AbstractCegarLoop]: Abstraction has 16898 states and 86628 transitions. [2022-12-14 12:58:02,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 16898 states and 86628 transitions. [2022-12-14 12:58:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 12:58:02,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:02,343 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:58:02,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:58:02,343 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-14 12:58:02,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash 397249936, now seen corresponding path program 1 times [2022-12-14 12:58:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:02,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263003488] [2022-12-14 12:58:02,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 12:58:02,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:02,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263003488] [2022-12-14 12:58:02,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263003488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:02,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:02,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:58:02,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776369681] [2022-12-14 12:58:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:02,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:58:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:58:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:58:02,947 INFO L87 Difference]: Start difference. First operand 16898 states and 86628 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:03,798 INFO L93 Difference]: Finished difference Result 16892 states and 86613 transitions. [2022-12-14 12:58:03,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:58:03,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 59 [2022-12-14 12:58:03,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:03,799 INFO L225 Difference]: With dead ends: 16892 [2022-12-14 12:58:03,799 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:58:03,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 12:58:03,800 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:03,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 55 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:58:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:58:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:58:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:58:03,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2022-12-14 12:58:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:03,801 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:58:03,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:58:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:58:03,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:58:03,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (91 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (90 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (89 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 100 remaining) [2022-12-14 12:58:03,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (87 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (86 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (85 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (84 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (83 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (82 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (81 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (80 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (79 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (78 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (77 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (76 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (75 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (74 of 100 remaining) [2022-12-14 12:58:03,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (73 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (72 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (71 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (70 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (69 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (68 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (67 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (64 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (63 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (61 of 100 remaining) [2022-12-14 12:58:03,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (60 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (53 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (52 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (51 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (50 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (49 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (48 of 100 remaining) [2022-12-14 12:58:03,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (47 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (46 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (45 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (44 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (43 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (42 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 100 remaining) [2022-12-14 12:58:03,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (31 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (22 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (21 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 100 remaining) [2022-12-14 12:58:03,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (19 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (18 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (11 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (10 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (9 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (8 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (7 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (6 of 100 remaining) [2022-12-14 12:58:03,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (5 of 100 remaining) [2022-12-14 12:58:03,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (4 of 100 remaining) [2022-12-14 12:58:03,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (3 of 100 remaining) [2022-12-14 12:58:03,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (2 of 100 remaining) [2022-12-14 12:58:03,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (1 of 100 remaining) [2022-12-14 12:58:03,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (0 of 100 remaining) [2022-12-14 12:58:03,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:58:03,813 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:58:03,816 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 12:58:03,816 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:58:03,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:58:03 BasicIcfg [2022-12-14 12:58:03,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:58:03,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:58:03,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:58:03,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:58:03,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:53:40" (3/4) ... [2022-12-14 12:58:03,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:58:03,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-14 12:58:03,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-14 12:58:03,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-14 12:58:03,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-14 12:58:03,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2022-12-14 12:58:03,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-14 12:58:03,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 12:58:03,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:58:03,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:58:03,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:58:03,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:58:03,854 INFO L158 Benchmark]: Toolchain (without parser) took 264515.96ms. Allocated memory was 136.3MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 105.9MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2022-12-14 12:58:03,854 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 110.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:58:03,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.51ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 90.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 12:58:03,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.92ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 87.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:58:03,855 INFO L158 Benchmark]: Boogie Preprocessor took 45.34ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 83.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:58:03,855 INFO L158 Benchmark]: RCFGBuilder took 915.63ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 83.3MB in the beginning and 70.9MB in the end (delta: 12.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-14 12:58:03,855 INFO L158 Benchmark]: TraceAbstraction took 263240.42ms. Allocated memory was 167.8MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 134.1MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2022-12-14 12:58:03,855 INFO L158 Benchmark]: Witness Printer took 35.11ms. Allocated memory is still 14.6GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:58:03,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 110.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.51ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 90.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.92ms. Allocated memory is still 136.3MB. Free memory was 90.0MB in the beginning and 87.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.34ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 83.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 915.63ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 83.3MB in the beginning and 70.9MB in the end (delta: 12.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * TraceAbstraction took 263240.42ms. Allocated memory was 167.8MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 134.1MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. * Witness Printer took 35.11ms. Allocated memory is still 14.6GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.2s, 303 PlacesBefore, 131 PlacesAfterwards, 301 TransitionsBefore, 124 TransitionsAfterwards, 14642 CoEnabledTransitionPairs, 8 FixpointIterations, 131 TrivialSequentialCompositions, 127 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 295 TotalNumberOfCompositions, 54275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22060, independent: 21328, independent conditional: 0, independent unconditional: 21328, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10354, independent: 10108, independent conditional: 0, independent unconditional: 10108, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 68, unknown conditional: 0, unknown unconditional: 68] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10354, independent: 9123, independent conditional: 0, independent unconditional: 9123, dependent: 1231, dependent conditional: 0, dependent unconditional: 1231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1231, independent: 985, independent conditional: 0, independent unconditional: 985, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 68, unknown conditional: 0, unknown unconditional: 68] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146871, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 2350, dependent conditional: 0, dependent unconditional: 2350, unknown: 142851, unknown conditional: 0, unknown unconditional: 142851] ], Cache Queries: [ total: 22060, independent: 11220, independent conditional: 0, independent unconditional: 11220, dependent: 369, dependent conditional: 0, dependent unconditional: 369, unknown: 10471, unknown conditional: 0, unknown unconditional: 10471] , Statistics on independence cache: Total cache size (in pairs): 2321, Positive cache size: 2264, Positive conditional cache size: 0, Positive unconditional cache size: 2264, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Unknown cache size: 16, Unknown conditional cache size: 0, Unknown unconditional cache size: 16 - 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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 11 procedures, 387 locations, 100 error locations. Started 1 CEGAR loops. OverallTime: 263.1s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.8s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 231.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 947 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 353 mSDsCounter, 251 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1997 IncrementalHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 251 mSolverCounterUnsat, 436 mSDtfsCounter, 1997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2029666occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 6498 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 1697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 41/41 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 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 12:58:04,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abe4916e-d17e-4f67-b65b-6fecf1503ff1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE