./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW --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 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 --- 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-4e7fbc6 [2022-11-23 15:51:52,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:51:52,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:51:52,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:51:52,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:51:52,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:51:52,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:51:52,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:51:52,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:51:52,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:51:52,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:51:52,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:51:52,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:51:52,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:51:52,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:51:52,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:51:52,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:51:52,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:51:52,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:51:52,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:51:52,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:51:52,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:51:52,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:51:52,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:51:52,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:51:52,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:51:52,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:51:52,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:51:52,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:51:52,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:51:52,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:51:52,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:51:52,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:51:52,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:51:52,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:51:52,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:51:52,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:51:52,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:51:52,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:51:52,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:51:52,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:51:52,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 15:51:52,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:51:52,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:51:52,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:51:52,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:51:52,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:51:52,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:51:52,347 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:51:52,347 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:51:52,347 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:51:52,348 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:51:52,348 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:51:52,348 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:51:52,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:51:52,349 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:51:52,349 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:51:52,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:51:52,350 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:51:52,350 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:51:52,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:51:52,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:51:52,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:51:52,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:51:52,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:51:52,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:51:52,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:51:52,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:51:52,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:51:52,355 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 15:51:52,356 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:51:52,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:51:52,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:51:52,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:51:52,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:51:52,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:51:52,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:51:52,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:51:52,359 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:51:52,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:51:52,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:51:52,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:51:52,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:51:52,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:51:52,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:51:52,363 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_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 [2022-11-23 15:51:52,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:51:52,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:51:52,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:51:52,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:51:52,802 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:51:52,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2022-11-23 15:51:56,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:51:56,927 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:51:56,927 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2022-11-23 15:51:56,955 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/data/8d82bd69d/87b88f885bdc416babbcb940883398d0/FLAG26407743c [2022-11-23 15:51:56,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/data/8d82bd69d/87b88f885bdc416babbcb940883398d0 [2022-11-23 15:51:56,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:51:56,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:51:56,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:56,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:51:56,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:51:56,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:56" (1/1) ... [2022-11-23 15:51:56,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b768917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:56, skipping insertion in model container [2022-11-23 15:51:56,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:56" (1/1) ... [2022-11-23 15:51:57,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:51:57,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:51:57,264 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_a569045a-d07a-4215-85a8-0aed3cbc5b0a/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2022-11-23 15:51:57,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:51:57,464 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:51:57,480 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_a569045a-d07a-4215-85a8-0aed3cbc5b0a/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2022-11-23 15:51:57,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:51:57,625 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:51:57,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57 WrapperNode [2022-11-23 15:51:57,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:57,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:51:57,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:51:57,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:51:57,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,701 INFO L138 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-11-23 15:51:57,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:51:57,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:51:57,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:51:57,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:51:57,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:51:57,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:51:57,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:51:57,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:51:57,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2022-11-23 15:51:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:51:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:51:57,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:51:57,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:51:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:51:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 15:51:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:51:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:51:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 15:51:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 15:51:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:51:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:51:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:51:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:51:57,844 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 15:51:58,044 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:51:58,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:51:58,407 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:51:58,415 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:51:58,416 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:51:58,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:58 BoogieIcfgContainer [2022-11-23 15:51:58,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:51:58,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:51:58,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:51:58,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:51:58,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:56" (1/3) ... [2022-11-23 15:51:58,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34084a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:58, skipping insertion in model container [2022-11-23 15:51:58,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (2/3) ... [2022-11-23 15:51:58,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34084a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:58, skipping insertion in model container [2022-11-23 15:51:58,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:58" (3/3) ... [2022-11-23 15:51:58,441 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2022-11-23 15:51:58,452 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 15:51:58,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:51:58,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 15:51:58,466 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 15:51:58,576 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 15:51:58,637 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 15:51:58,661 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 91 transitions, 187 flow [2022-11-23 15:51:58,669 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 91 transitions, 187 flow [2022-11-23 15:51:58,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 91 transitions, 187 flow [2022-11-23 15:51:58,787 INFO L130 PetriNetUnfolder]: 1/90 cut-off events. [2022-11-23 15:51:58,787 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 15:51:58,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 90 events. 1/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-11-23 15:51:58,797 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-11-23 15:52:04,218 INFO L134 LiptonReduction]: Checked pairs total: 7751 [2022-11-23 15:52:04,219 INFO L136 LiptonReduction]: Total number of compositions: 82 [2022-11-23 15:52:04,228 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 55 flow [2022-11-23 15:52:04,257 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 129 states, 124 states have (on average 1.9274193548387097) internal successors, (239), 128 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:04,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:52:04,289 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;@7ce72eb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:52:04,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-23 15:52:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 124 states have (on average 1.9274193548387097) internal successors, (239), 128 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:52:04,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:04,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:04,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-23 15:52:04,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash -424851877, now seen corresponding path program 1 times [2022-11-23 15:52:04,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:04,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721778425] [2022-11-23 15:52:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:04,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:04,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:04,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721778425] [2022-11-23 15:52:04,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721778425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:04,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:04,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:52:04,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590282472] [2022-11-23 15:52:04,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:04,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:04,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:04,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:04,758 INFO L87 Difference]: Start difference. First operand has 129 states, 124 states have (on average 1.9274193548387097) internal successors, (239), 128 states have internal predecessors, (239), 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:04,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:04,877 INFO L93 Difference]: Finished difference Result 132 states and 238 transitions. [2022-11-23 15:52:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:04,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-23 15:52:04,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:04,899 INFO L225 Difference]: With dead ends: 132 [2022-11-23 15:52:04,900 INFO L226 Difference]: Without dead ends: 132 [2022-11-23 15:52:04,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:04,908 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:04,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:52:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-23 15:52:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-23 15:52:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 127 states have (on average 1.874015748031496) internal successors, (238), 131 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 238 transitions. [2022-11-23 15:52:04,969 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 238 transitions. Word has length 7 [2022-11-23 15:52:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:04,970 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 238 transitions. [2022-11-23 15:52:04,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2022-11-23 15:52:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:52:04,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:04,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:04,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:52:04,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-23 15:52:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash -435103049, now seen corresponding path program 1 times [2022-11-23 15:52:04,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:04,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668205054] [2022-11-23 15:52:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:04,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:05,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:05,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668205054] [2022-11-23 15:52:05,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668205054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:05,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:05,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:52:05,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108649656] [2022-11-23 15:52:05,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:05,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:05,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:05,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:05,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,044 INFO L87 Difference]: Start difference. First operand 132 states and 238 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:05,101 INFO L93 Difference]: Finished difference Result 132 states and 236 transitions. [2022-11-23 15:52:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:05,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-23 15:52:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:05,104 INFO L225 Difference]: With dead ends: 132 [2022-11-23 15:52:05,105 INFO L226 Difference]: Without dead ends: 127 [2022-11-23 15:52:05,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,107 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:05,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:52:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-23 15:52:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-11-23 15:52:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.8455284552845528) internal successors, (227), 126 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 227 transitions. [2022-11-23 15:52:05,122 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 227 transitions. Word has length 7 [2022-11-23 15:52:05,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:05,122 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 227 transitions. [2022-11-23 15:52:05,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2022-11-23 15:52:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:52:05,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:05,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:05,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:52:05,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-23 15:52:05,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:05,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1380004808, now seen corresponding path program 1 times [2022-11-23 15:52:05,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:05,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404174505] [2022-11-23 15:52:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:05,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:05,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:05,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404174505] [2022-11-23 15:52:05,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404174505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:05,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:05,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:52:05,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073467235] [2022-11-23 15:52:05,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:05,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:52:05,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:52:05,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:05,473 INFO L87 Difference]: Start difference. First operand 127 states and 227 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:05,571 INFO L93 Difference]: Finished difference Result 88 states and 135 transitions. [2022-11-23 15:52:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:52:05,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-11-23 15:52:05,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:05,573 INFO L225 Difference]: With dead ends: 88 [2022-11-23 15:52:05,573 INFO L226 Difference]: Without dead ends: 88 [2022-11-23 15:52:05,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:05,578 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:05,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:52:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-23 15:52:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2022-11-23 15:52:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 75 states have (on average 1.6) internal successors, (120), 77 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 120 transitions. [2022-11-23 15:52:05,597 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 120 transitions. Word has length 11 [2022-11-23 15:52:05,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:05,597 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 120 transitions. [2022-11-23 15:52:05,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2022-11-23 15:52:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:52:05,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:05,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:05,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:52:05,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-23 15:52:05,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:05,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1390040571, now seen corresponding path program 1 times [2022-11-23 15:52:05,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:05,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840822774] [2022-11-23 15:52:05,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:05,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:05,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:05,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840822774] [2022-11-23 15:52:05,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840822774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:05,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:05,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:52:05,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815620034] [2022-11-23 15:52:05,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:05,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:05,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:05,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,660 INFO L87 Difference]: Start difference. First operand 78 states and 120 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:05,712 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2022-11-23 15:52:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:05,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-23 15:52:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:05,716 INFO L225 Difference]: With dead ends: 77 [2022-11-23 15:52:05,717 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 15:52:05,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,721 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:05,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 13 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:52:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 15:52:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-23 15:52:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2022-11-23 15:52:05,744 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 11 [2022-11-23 15:52:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:05,745 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2022-11-23 15:52:05,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2022-11-23 15:52:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:52:05,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:05,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:05,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:52:05,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-23 15:52:05,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1467093004, now seen corresponding path program 1 times [2022-11-23 15:52:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:05,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102629032] [2022-11-23 15:52:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:05,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:52:05,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:05,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102629032] [2022-11-23 15:52:05,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102629032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:05,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:05,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:05,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661124165] [2022-11-23 15:52:05,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:05,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:05,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:05,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:05,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,924 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:05,955 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-23 15:52:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:05,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:52:05,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:05,956 INFO L225 Difference]: With dead ends: 17 [2022-11-23 15:52:05,957 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:52:05,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:05,958 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:05,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:52:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:52:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:52:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:52:05,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-23 15:52:05,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:05,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:52:05,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:52:05,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:52:05,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-11-23 15:52:05,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-11-23 15:52:05,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-23 15:52:05,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-11-23 15:52:05,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-11-23 15:52:05,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:52:05,971 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 15:52:05,977 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 15:52:05,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:52:05,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:52:05 BasicIcfg [2022-11-23 15:52:05,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:52:05,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:52:05,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:52:05,983 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:52:05,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:58" (3/4) ... [2022-11-23 15:52:05,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:52:05,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 15:52:06,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 15:52:06,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 15:52:06,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:52:06,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:52:06,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:52:06,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:52:06,062 INFO L158 Benchmark]: Toolchain (without parser) took 9083.36ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 78.6MB in the beginning and 79.8MB in the end (delta: -1.2MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,063 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:52:06,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.23ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 78.4MB in the beginning and 163.4MB in the end (delta: -85.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.95ms. Allocated memory is still 195.0MB. Free memory was 163.4MB in the beginning and 161.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,064 INFO L158 Benchmark]: Boogie Preprocessor took 30.83ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 160.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:52:06,065 INFO L158 Benchmark]: RCFGBuilder took 684.90ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 145.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,065 INFO L158 Benchmark]: TraceAbstraction took 7559.54ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 82.0MB in the end (delta: 63.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,066 INFO L158 Benchmark]: Witness Printer took 79.24ms. Allocated memory is still 195.0MB. Free memory was 82.0MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:52:06,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.23ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 78.4MB in the beginning and 163.4MB in the end (delta: -85.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.95ms. Allocated memory is still 195.0MB. Free memory was 163.4MB in the beginning and 161.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.83ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 160.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 684.90ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 145.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7559.54ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 82.0MB in the end (delta: 63.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Witness Printer took 79.24ms. Allocated memory is still 195.0MB. Free memory was 82.0MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 94 PlacesBefore, 28 PlacesAfterwards, 91 TransitionsBefore, 25 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 14 FixpointIterations, 37 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 82 TotalNumberOfCompositions, 7751 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3373, independent: 2813, independent conditional: 0, independent unconditional: 2813, dependent: 560, dependent conditional: 0, dependent unconditional: 560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 883, independent: 827, independent conditional: 0, independent unconditional: 827, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 883, independent: 761, independent conditional: 0, independent unconditional: 761, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 326, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 194, dependent conditional: 0, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3373, independent: 1986, independent conditional: 0, independent unconditional: 1986, dependent: 504, dependent conditional: 0, dependent unconditional: 504, unknown: 883, unknown conditional: 0, unknown unconditional: 883] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 15:52:06,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569045a-d07a-4215-85a8-0aed3cbc5b0a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE