./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS --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 a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- 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-8393723 [2022-11-19 08:22:35,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:22:35,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:22:35,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:22:35,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:22:35,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:22:35,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:22:35,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:22:35,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:22:35,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:22:35,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:22:35,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:22:35,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:22:35,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:22:35,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:22:35,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:22:35,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:22:35,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:22:35,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:22:35,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:22:35,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:22:35,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:22:35,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:22:35,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:22:35,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:22:35,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:22:35,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:22:35,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:22:35,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:22:35,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:22:35,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:22:35,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:22:35,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:22:35,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:22:35,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:22:35,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:22:35,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:22:35,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:22:35,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:22:35,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:22:35,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:22:35,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:22:35,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:22:35,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:22:35,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:22:35,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:22:35,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:22:35,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:22:35,314 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:22:35,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:22:35,314 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:22:35,314 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:22:35,315 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:22:35,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:22:35,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:22:35,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:22:35,316 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:22:35,317 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:22:35,317 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:22:35,317 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:22:35,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:22:35,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:22:35,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:22:35,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:22:35,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:22:35,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:22:35,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:22:35,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:22:35,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:22:35,321 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:22:35,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:22:35,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:22:35,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:22:35,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:22:35,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:22:35,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:22:35,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:22:35,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:22:35,323 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:22:35,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:22:35,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:22:35,324 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:22:35,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:22:35,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:22:35,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:22:35,325 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_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2022-11-19 08:22:35,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:22:35,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:22:35,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:22:35,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:22:35,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:22:35,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-19 08:22:35,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/data/dd6c11f43/55680d137e704c24b9f8b72a29fd9048/FLAG6be929f0c [2022-11-19 08:22:36,264 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:22:36,265 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-19 08:22:36,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/data/dd6c11f43/55680d137e704c24b9f8b72a29fd9048/FLAG6be929f0c [2022-11-19 08:22:36,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/data/dd6c11f43/55680d137e704c24b9f8b72a29fd9048 [2022-11-19 08:22:36,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:22:36,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:22:36,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:22:36,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:22:36,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:22:36,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:22:36" (1/1) ... [2022-11-19 08:22:36,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbe9f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:36, skipping insertion in model container [2022-11-19 08:22:36,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:22:36" (1/1) ... [2022-11-19 08:22:36,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:22:36,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:22:36,820 WARN L234 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_71f7904f-18f3-4383-99b7-03c0427d86be/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-11-19 08:22:36,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:22:37,011 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:22:37,025 WARN L234 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_71f7904f-18f3-4383-99b7-03c0427d86be/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-11-19 08:22:37,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:22:37,129 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:22:37,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37 WrapperNode [2022-11-19 08:22:37,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:22:37,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:22:37,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:22:37,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:22:37,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,205 INFO L138 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-19 08:22:37,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:22:37,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:22:37,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:22:37,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:22:37,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:22:37,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:22:37,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:22:37,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:22:37,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (1/1) ... [2022-11-19 08:22:37,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:22:37,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:22:37,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:22:37,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:22:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:22:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:22:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 08:22:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:22:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:22:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:22:37,311 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:22:37,434 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:22:37,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:22:37,703 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:22:37,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:22:37,711 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:22:37,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:37 BoogieIcfgContainer [2022-11-19 08:22:37,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:22:37,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:22:37,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:22:37,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:22:37,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:22:36" (1/3) ... [2022-11-19 08:22:37,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec999ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:37, skipping insertion in model container [2022-11-19 08:22:37,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:37" (2/3) ... [2022-11-19 08:22:37,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec999ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:37, skipping insertion in model container [2022-11-19 08:22:37,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:37" (3/3) ... [2022-11-19 08:22:37,731 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-19 08:22:37,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:22:37,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:22:37,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-19 08:22:37,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:22:37,832 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 08:22:37,894 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:22:37,912 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 120 transitions, 248 flow [2022-11-19 08:22:37,924 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 120 transitions, 248 flow [2022-11-19 08:22:37,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 120 transitions, 248 flow [2022-11-19 08:22:38,028 INFO L130 PetriNetUnfolder]: 2/119 cut-off events. [2022-11-19 08:22:38,028 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 08:22:38,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 2/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-11-19 08:22:38,040 INFO L119 LiptonReduction]: Number of co-enabled transitions 2430 [2022-11-19 08:22:42,670 INFO L134 LiptonReduction]: Checked pairs total: 15400 [2022-11-19 08:22:42,671 INFO L136 LiptonReduction]: Total number of compositions: 98 [2022-11-19 08:22:42,679 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 41 transitions, 90 flow [2022-11-19 08:22:42,712 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 321 states, 310 states have (on average 2.0580645161290323) internal successors, (638), 320 states have internal predecessors, (638), 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) [2022-11-19 08:22:42,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:22:42,739 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;@7c0035a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:22:42,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 08:22:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 310 states have (on average 2.0580645161290323) internal successors, (638), 320 states have internal predecessors, (638), 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) [2022-11-19 08:22:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:22:42,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:42,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:22:42,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:42,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash 381758535, now seen corresponding path program 1 times [2022-11-19 08:22:42,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:42,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160678170] [2022-11-19 08:22:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:43,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:43,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160678170] [2022-11-19 08:22:43,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160678170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:43,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:43,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:43,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728836265] [2022-11-19 08:22:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:43,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:22:43,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:43,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:22:43,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:22:43,073 INFO L87 Difference]: Start difference. First operand has 321 states, 310 states have (on average 2.0580645161290323) internal successors, (638), 320 states have internal predecessors, (638), 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, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 08:22:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:43,166 INFO L93 Difference]: Finished difference Result 321 states and 604 transitions. [2022-11-19 08:22:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:22:43,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-19 08:22:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:43,192 INFO L225 Difference]: With dead ends: 321 [2022-11-19 08:22:43,193 INFO L226 Difference]: Without dead ends: 321 [2022-11-19 08:22:43,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:22:43,199 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:43,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:43,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-19 08:22:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2022-11-19 08:22:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 310 states have (on average 1.9483870967741936) internal successors, (604), 320 states have internal predecessors, (604), 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) [2022-11-19 08:22:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 604 transitions. [2022-11-19 08:22:43,268 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 604 transitions. Word has length 5 [2022-11-19 08:22:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:43,269 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 604 transitions. [2022-11-19 08:22:43,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 08:22:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 604 transitions. [2022-11-19 08:22:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:22:43,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:43,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:22:43,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:22:43,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:43,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1051480902, now seen corresponding path program 1 times [2022-11-19 08:22:43,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:43,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813774185] [2022-11-19 08:22:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:43,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:43,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813774185] [2022-11-19 08:22:43,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813774185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:43,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:43,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:43,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383785830] [2022-11-19 08:22:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:43,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:43,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:43,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:43,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:43,340 INFO L87 Difference]: Start difference. First operand 321 states and 604 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-19 08:22:43,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:43,447 INFO L93 Difference]: Finished difference Result 475 states and 886 transitions. [2022-11-19 08:22:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:43,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-19 08:22:43,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:43,451 INFO L225 Difference]: With dead ends: 475 [2022-11-19 08:22:43,451 INFO L226 Difference]: Without dead ends: 475 [2022-11-19 08:22:43,452 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 [2022-11-19 08:22:43,454 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:43,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 23 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-11-19 08:22:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 335. [2022-11-19 08:22:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 324 states have (on average 1.9444444444444444) internal successors, (630), 334 states have internal predecessors, (630), 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) [2022-11-19 08:22:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 630 transitions. [2022-11-19 08:22:43,508 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 630 transitions. Word has length 6 [2022-11-19 08:22:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:43,508 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 630 transitions. [2022-11-19 08:22:43,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-19 08:22:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 630 transitions. [2022-11-19 08:22:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:22:43,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:43,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:43,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:22:43,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:43,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1418075045, now seen corresponding path program 1 times [2022-11-19 08:22:43,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:43,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806455325] [2022-11-19 08:22:43,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:43,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:43,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806455325] [2022-11-19 08:22:43,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806455325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:43,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:43,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:43,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259338537] [2022-11-19 08:22:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:43,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:43,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:43,624 INFO L87 Difference]: Start difference. First operand 335 states and 630 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:43,722 INFO L93 Difference]: Finished difference Result 340 states and 639 transitions. [2022-11-19 08:22:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:43,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 08:22:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:43,732 INFO L225 Difference]: With dead ends: 340 [2022-11-19 08:22:43,733 INFO L226 Difference]: Without dead ends: 340 [2022-11-19 08:22:43,733 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 [2022-11-19 08:22:43,734 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:43,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:43,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-11-19 08:22:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2022-11-19 08:22:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 331 states have (on average 1.9305135951661632) internal successors, (639), 339 states have internal predecessors, (639), 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) [2022-11-19 08:22:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 639 transitions. [2022-11-19 08:22:43,750 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 639 transitions. Word has length 8 [2022-11-19 08:22:43,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:43,751 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 639 transitions. [2022-11-19 08:22:43,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 639 transitions. [2022-11-19 08:22:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:22:43,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:43,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:43,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:22:43,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:43,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash -89344265, now seen corresponding path program 1 times [2022-11-19 08:22:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:43,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145523907] [2022-11-19 08:22:43,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:43,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:43,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:43,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145523907] [2022-11-19 08:22:43,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145523907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:43,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:43,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:22:43,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080041938] [2022-11-19 08:22:43,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:43,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:22:43,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:43,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:22:43,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:22:43,979 INFO L87 Difference]: Start difference. First operand 340 states and 639 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) [2022-11-19 08:22:44,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:44,101 INFO L93 Difference]: Finished difference Result 368 states and 677 transitions. [2022-11-19 08:22:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:22:44,101 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 [2022-11-19 08:22:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:44,103 INFO L225 Difference]: With dead ends: 368 [2022-11-19 08:22:44,104 INFO L226 Difference]: Without dead ends: 368 [2022-11-19 08:22:44,104 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 [2022-11-19 08:22:44,105 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 80 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:44,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 12 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:44,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-11-19 08:22:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 297. [2022-11-19 08:22:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 288 states have (on average 1.8888888888888888) internal successors, (544), 296 states have internal predecessors, (544), 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) [2022-11-19 08:22:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 544 transitions. [2022-11-19 08:22:44,117 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 544 transitions. Word has length 11 [2022-11-19 08:22:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:44,117 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 544 transitions. [2022-11-19 08:22:44,117 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) [2022-11-19 08:22:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 544 transitions. [2022-11-19 08:22:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:22:44,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:44,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:44,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:22:44,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2009416584, now seen corresponding path program 1 times [2022-11-19 08:22:44,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:44,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327001730] [2022-11-19 08:22:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:44,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:44,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:44,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327001730] [2022-11-19 08:22:44,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327001730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:44,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:44,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:44,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817935103] [2022-11-19 08:22:44,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:44,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:44,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:44,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:44,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:44,157 INFO L87 Difference]: Start difference. First operand 297 states and 544 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:44,231 INFO L93 Difference]: Finished difference Result 302 states and 552 transitions. [2022-11-19 08:22:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:44,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 08:22:44,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:44,233 INFO L225 Difference]: With dead ends: 302 [2022-11-19 08:22:44,233 INFO L226 Difference]: Without dead ends: 291 [2022-11-19 08:22:44,234 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 [2022-11-19 08:22:44,235 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:44,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 19 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-11-19 08:22:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2022-11-19 08:22:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 284 states have (on average 1.8661971830985915) internal successors, (530), 290 states have internal predecessors, (530), 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) [2022-11-19 08:22:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 530 transitions. [2022-11-19 08:22:44,245 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 530 transitions. Word has length 13 [2022-11-19 08:22:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:44,245 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 530 transitions. [2022-11-19 08:22:44,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 530 transitions. [2022-11-19 08:22:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:22:44,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:44,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:44,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:22:44,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1538865270, now seen corresponding path program 1 times [2022-11-19 08:22:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:44,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425434035] [2022-11-19 08:22:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:44,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:44,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425434035] [2022-11-19 08:22:44,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425434035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:44,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:44,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:22:44,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267577282] [2022-11-19 08:22:44,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:44,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:22:44,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:44,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:22:44,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:22:44,459 INFO L87 Difference]: Start difference. First operand 291 states and 530 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:44,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:44,570 INFO L93 Difference]: Finished difference Result 158 states and 246 transitions. [2022-11-19 08:22:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:22:44,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 08:22:44,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:44,573 INFO L225 Difference]: With dead ends: 158 [2022-11-19 08:22:44,573 INFO L226 Difference]: Without dead ends: 157 [2022-11-19 08:22:44,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:22:44,575 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:44,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:44,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-19 08:22:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-19 08:22:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.564102564102564) internal successors, (244), 156 states have internal predecessors, (244), 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) [2022-11-19 08:22:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 244 transitions. [2022-11-19 08:22:44,583 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 244 transitions. Word has length 16 [2022-11-19 08:22:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:44,584 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 244 transitions. [2022-11-19 08:22:44,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 244 transitions. [2022-11-19 08:22:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:22:44,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:44,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:44,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:22:44,587 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 08:22:44,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1709291346, now seen corresponding path program 1 times [2022-11-19 08:22:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:44,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702234048] [2022-11-19 08:22:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:44,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:44,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:44,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702234048] [2022-11-19 08:22:44,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702234048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:44,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:44,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440840320] [2022-11-19 08:22:44,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:44,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:44,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:44,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:44,731 INFO L87 Difference]: Start difference. First operand 157 states and 244 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2022-11-19 08:22:44,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:44,782 INFO L93 Difference]: Finished difference Result 142 states and 215 transitions. [2022-11-19 08:22:44,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:44,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 [2022-11-19 08:22:44,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:44,784 INFO L225 Difference]: With dead ends: 142 [2022-11-19 08:22:44,784 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:22:44,784 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 [2022-11-19 08:22:44,785 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 14 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:44,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 19 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:22:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:22:44,786 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) [2022-11-19 08:22:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:22:44,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-19 08:22:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:44,787 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:22:44,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2022-11-19 08:22:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:22:44,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:22:44,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-19 08:22:44,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-19 08:22:44,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-19 08:22:44,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-19 08:22:44,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-19 08:22:44,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-19 08:22:44,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-19 08:22:44,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-19 08:22:44,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:22:44,796 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:44,801 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:22:44,801 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:22:44,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:22:44 BasicIcfg [2022-11-19 08:22:44,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:22:44,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:22:44,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:22:44,805 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:22:44,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:37" (3/4) ... [2022-11-19 08:22:44,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:22:44,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 08:22:44,821 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 08:22:44,821 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:22:44,822 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:22:44,822 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:22:44,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:22:44,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:22:44,858 INFO L158 Benchmark]: Toolchain (without parser) took 8304.21ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 108.5MB in the beginning and 125.1MB in the end (delta: -16.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,858 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:44,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.03ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 110.7MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.68ms. Allocated memory is still 144.7MB. Free memory was 110.7MB in the beginning and 108.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,859 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,860 INFO L158 Benchmark]: RCFGBuilder took 481.68ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 91.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,860 INFO L158 Benchmark]: TraceAbstraction took 7088.44ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 90.4MB in the beginning and 127.2MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:44,861 INFO L158 Benchmark]: Witness Printer took 52.08ms. Allocated memory is still 174.1MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:22:44,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.03ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 110.7MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.68ms. Allocated memory is still 144.7MB. Free memory was 110.7MB in the beginning and 108.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.68ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 91.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7088.44ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 90.4MB in the beginning and 127.2MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.08ms. Allocated memory is still 174.1MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 122 PlacesBefore, 43 PlacesAfterwards, 120 TransitionsBefore, 41 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 11 FixpointIterations, 43 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 0 ChoiceCompositions, 98 TotalNumberOfCompositions, 15400 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5166, independent: 4474, independent conditional: 0, independent unconditional: 4474, dependent: 692, dependent conditional: 0, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1795, independent: 1704, independent conditional: 0, independent unconditional: 1704, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1795, independent: 1569, independent conditional: 0, independent unconditional: 1569, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 226, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5166, independent: 2770, independent conditional: 0, independent unconditional: 2770, dependent: 601, dependent conditional: 0, dependent unconditional: 601, unknown: 1795, unknown conditional: 0, unknown unconditional: 1795] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 275, Positive conditional cache size: 0, Positive unconditional cache size: 275, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, 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: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 148 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 70 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 7 MinimizatonAttempts, 211 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:22:44,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71f7904f-18f3-4383-99b7-03c0427d86be/bin/utaipan-I9t0OCRTmS/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