./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:22:46,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:22:46,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:22:46,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:22:46,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:22:46,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:22:46,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:22:46,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:22:46,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:22:46,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:22:46,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:22:46,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:22:46,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:22:46,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:22:46,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:22:46,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:22:46,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:22:46,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:22:46,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:22:46,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:22:46,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:22:46,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:22:46,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:22:46,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:22:46,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:22:46,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:22:46,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:22:46,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:22:46,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:22:46,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:22:46,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:22:46,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:22:46,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:22:46,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:22:46,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:22:46,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:22:46,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:22:46,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:22:46,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:22:46,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:22:46,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:22:46,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:22:46,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:22:46,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:22:46,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:22:46,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:22:46,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:22:46,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:22:46,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:22:46,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:22:46,585 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:22:46,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:22:46,585 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:22:46,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:22:46,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:22:46,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:22:46,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:46,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:22:46,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:22:46,588 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2022-12-13 18:22:46,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:22:46,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:22:46,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:22:46,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:22:46,770 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:22:46,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-12-13 18:22:49,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:22:49,522 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:22:49,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-12-13 18:22:49,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/data/5a660861a/b73839fe38f14cce96c7755d870d1d01/FLAGed184024e [2022-12-13 18:22:49,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/data/5a660861a/b73839fe38f14cce96c7755d870d1d01 [2022-12-13 18:22:49,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:22:49,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:22:49,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:49,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:22:49,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:22:49,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:49" (1/1) ... [2022-12-13 18:22:49,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ed071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:49, skipping insertion in model container [2022-12-13 18:22:49,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:49" (1/1) ... [2022-12-13 18:22:49,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:22:49,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:22:50,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:50,153 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:22:50,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:50,199 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:22:50,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50 WrapperNode [2022-12-13 18:22:50,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:50,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:50,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:22:50,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:22:50,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,229 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-12-13 18:22:50,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:50,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:22:50,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:22:50,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:22:50,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,251 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:22:50,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:22:50,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:22:50,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:22:50,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (1/1) ... [2022-12-13 18:22:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:50,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:22:50,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:22:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:22:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:22:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:22:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:22:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 18:22:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 18:22:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:22:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:22:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:22:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:22:50,317 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:22:50,417 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:22:50,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:22:50,584 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:22:50,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:22:50,592 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:22:50,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:50 BoogieIcfgContainer [2022-12-13 18:22:50,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:22:50,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:22:50,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:22:50,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:22:50,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:22:49" (1/3) ... [2022-12-13 18:22:50,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f60341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:50, skipping insertion in model container [2022-12-13 18:22:50,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:50" (2/3) ... [2022-12-13 18:22:50,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f60341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:50, skipping insertion in model container [2022-12-13 18:22:50,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:50" (3/3) ... [2022-12-13 18:22:50,601 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-12-13 18:22:50,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:22:50,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:22:50,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:22:50,616 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:22:50,667 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 18:22:50,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 99 transitions, 208 flow [2022-12-13 18:22:50,731 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2022-12-13 18:22:50,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:22:50,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 18:22:50,734 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 99 transitions, 208 flow [2022-12-13 18:22:50,737 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 97 transitions, 200 flow [2022-12-13 18:22:50,740 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:22:50,748 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 97 transitions, 200 flow [2022-12-13 18:22:50,750 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 97 transitions, 200 flow [2022-12-13 18:22:50,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 97 transitions, 200 flow [2022-12-13 18:22:50,790 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2022-12-13 18:22:50,790 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:22:50,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 18:22:50,793 INFO L119 LiptonReduction]: Number of co-enabled transitions 3784 [2022-12-13 18:22:51,877 INFO L134 LiptonReduction]: Checked pairs total: 17342 [2022-12-13 18:22:51,877 INFO L136 LiptonReduction]: Total number of compositions: 51 [2022-12-13 18:22:51,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:22:51,893 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=PETRI_NET, 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;@4768384c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:22:51,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 18:22:51,896 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-12-13 18:22:51,896 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:22:51,896 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:51,897 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:51,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:51,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash 654889304, now seen corresponding path program 1 times [2022-12-13 18:22:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:51,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490595949] [2022-12-13 18:22:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:52,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:52,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490595949] [2022-12-13 18:22:52,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490595949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:52,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:52,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:22:52,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874296439] [2022-12-13 18:22:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:52,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:52,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:52,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:52,516 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 150 [2022-12-13 18:22:52,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 98 flow. Second operand has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:52,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:22:52,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 150 [2022-12-13 18:22:52,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:22:53,028 INFO L130 PetriNetUnfolder]: 2574/4577 cut-off events. [2022-12-13 18:22:53,028 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 18:22:53,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8765 conditions, 4577 events. 2574/4577 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 32448 event pairs, 641 based on Foata normal form. 0/4322 useless extension candidates. Maximal degree in co-relation 8755. Up to 1625 conditions per place. [2022-12-13 18:22:53,051 INFO L137 encePairwiseOnDemand]: 128/150 looper letters, 118 selfloop transitions, 42 changer transitions 0/172 dead transitions. [2022-12-13 18:22:53,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 172 transitions, 682 flow [2022-12-13 18:22:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:22:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:22:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 606 transitions. [2022-12-13 18:22:53,065 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6733333333333333 [2022-12-13 18:22:53,066 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 606 transitions. [2022-12-13 18:22:53,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 606 transitions. [2022-12-13 18:22:53,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:22:53,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 606 transitions. [2022-12-13 18:22:53,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.0) internal successors, (606), 6 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,079 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,081 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 98 flow. Second operand 6 states and 606 transitions. [2022-12-13 18:22:53,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 172 transitions, 682 flow [2022-12-13 18:22:53,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 172 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:22:53,086 INFO L231 Difference]: Finished difference. Result has 61 places, 92 transitions, 412 flow [2022-12-13 18:22:53,087 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=61, PETRI_TRANSITIONS=92} [2022-12-13 18:22:53,090 INFO L288 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2022-12-13 18:22:53,090 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 92 transitions, 412 flow [2022-12-13 18:22:53,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,090 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:53,090 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:53,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:22:53,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:53,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash 764925667, now seen corresponding path program 1 times [2022-12-13 18:22:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:53,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617240194] [2022-12-13 18:22:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:53,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:53,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:53,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617240194] [2022-12-13 18:22:53,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617240194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:53,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:53,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:22:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338156889] [2022-12-13 18:22:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:53,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:53,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:53,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:53,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:53,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 150 [2022-12-13 18:22:53,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 92 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:22:53,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 150 [2022-12-13 18:22:53,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:22:53,865 INFO L130 PetriNetUnfolder]: 1995/3696 cut-off events. [2022-12-13 18:22:53,865 INFO L131 PetriNetUnfolder]: For 2449/3789 co-relation queries the response was YES. [2022-12-13 18:22:53,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9791 conditions, 3696 events. 1995/3696 cut-off events. For 2449/3789 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 27546 event pairs, 632 based on Foata normal form. 320/3496 useless extension candidates. Maximal degree in co-relation 9778. Up to 1482 conditions per place. [2022-12-13 18:22:53,885 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 131 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2022-12-13 18:22:53,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 187 transitions, 1146 flow [2022-12-13 18:22:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:22:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:22:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2022-12-13 18:22:53,887 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.63 [2022-12-13 18:22:53,887 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2022-12-13 18:22:53,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2022-12-13 18:22:53,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:22:53,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2022-12-13 18:22:53,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,893 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,893 INFO L175 Difference]: Start difference. First operand has 61 places, 92 transitions, 412 flow. Second operand 6 states and 567 transitions. [2022-12-13 18:22:53,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 187 transitions, 1146 flow [2022-12-13 18:22:53,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 187 transitions, 1146 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:22:53,902 INFO L231 Difference]: Finished difference. Result has 65 places, 91 transitions, 420 flow [2022-12-13 18:22:53,903 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=65, PETRI_TRANSITIONS=91} [2022-12-13 18:22:53,904 INFO L288 CegarLoopForPetriNet]: 53 programPoint places, 12 predicate places. [2022-12-13 18:22:53,904 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 91 transitions, 420 flow [2022-12-13 18:22:53,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:53,905 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:53,905 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:53,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:22:53,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:53,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:53,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1253731371, now seen corresponding path program 1 times [2022-12-13 18:22:53,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:53,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602751309] [2022-12-13 18:22:53,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:53,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:54,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:54,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602751309] [2022-12-13 18:22:54,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602751309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:54,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:54,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:22:54,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829148532] [2022-12-13 18:22:54,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:54,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:54,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:54,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:54,291 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 150 [2022-12-13 18:22:54,292 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 91 transitions, 420 flow. Second operand has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:54,292 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:22:54,292 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 150 [2022-12-13 18:22:54,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:22:54,914 INFO L130 PetriNetUnfolder]: 3402/6101 cut-off events. [2022-12-13 18:22:54,914 INFO L131 PetriNetUnfolder]: For 2707/2747 co-relation queries the response was YES. [2022-12-13 18:22:54,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16443 conditions, 6101 events. 3402/6101 cut-off events. For 2707/2747 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 45418 event pairs, 1647 based on Foata normal form. 112/6078 useless extension candidates. Maximal degree in co-relation 16429. Up to 3922 conditions per place. [2022-12-13 18:22:54,942 INFO L137 encePairwiseOnDemand]: 134/150 looper letters, 132 selfloop transitions, 46 changer transitions 0/190 dead transitions. [2022-12-13 18:22:54,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 190 transitions, 1160 flow [2022-12-13 18:22:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:22:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:22:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 560 transitions. [2022-12-13 18:22:54,945 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6222222222222222 [2022-12-13 18:22:54,945 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 560 transitions. [2022-12-13 18:22:54,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 560 transitions. [2022-12-13 18:22:54,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:22:54,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 560 transitions. [2022-12-13 18:22:54,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:54,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:54,949 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:54,949 INFO L175 Difference]: Start difference. First operand has 65 places, 91 transitions, 420 flow. Second operand 6 states and 560 transitions. [2022-12-13 18:22:54,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 190 transitions, 1160 flow [2022-12-13 18:22:54,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 190 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 18:22:54,958 INFO L231 Difference]: Finished difference. Result has 69 places, 136 transitions, 843 flow [2022-12-13 18:22:54,958 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=69, PETRI_TRANSITIONS=136} [2022-12-13 18:22:54,959 INFO L288 CegarLoopForPetriNet]: 53 programPoint places, 16 predicate places. [2022-12-13 18:22:54,959 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 136 transitions, 843 flow [2022-12-13 18:22:54,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:54,959 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:54,959 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:54,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:22:54,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:54,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash -292540763, now seen corresponding path program 1 times [2022-12-13 18:22:54,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:54,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62080154] [2022-12-13 18:22:54,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:54,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:55,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:55,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62080154] [2022-12-13 18:22:55,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62080154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:55,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:55,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:22:55,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663725686] [2022-12-13 18:22:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:55,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:55,386 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 150 [2022-12-13 18:22:55,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 136 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 84.66666666666667) internal successors, (508), 6 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:55,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:22:55,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 150 [2022-12-13 18:22:55,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:22:56,004 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([241] L684-13-->t_funEXIT: Formula: (let ((.cse0 (select |v_#race_55| |v_~#data~0.base_66|))) (and (= |v_t_funThread1of1ForFork1_#res.offset_9| 0) (= |v_t_funThread1of1ForFork1_#t~nondet4_28| (select .cse0 (+ |v_~#data~0.offset_66| 2))) (= |v_t_funThread1of1ForFork1_#t~nondet4_28| (select .cse0 (+ |v_~#data~0.offset_66| 1))) (= |v_t_funThread1of1ForFork1_#res.base_9| 0) (= (select .cse0 (+ |v_~#data~0.offset_66| 3)) |v_t_funThread1of1ForFork1_#t~nondet4_28|) (= (select .cse0 |v_~#data~0.offset_66|) |v_t_funThread1of1ForFork1_#t~nondet4_28|))) InVars {#race=|v_#race_55|, t_funThread1of1ForFork1_#t~nondet4=|v_t_funThread1of1ForFork1_#t~nondet4_28|, ~#data~0.base=|v_~#data~0.base_66|, ~#data~0.offset=|v_~#data~0.offset_66|} OutVars{t_funThread1of1ForFork1_#t~mem2=|v_t_funThread1of1ForFork1_#t~mem2_15|, #race=|v_#race_55|, t_funThread1of1ForFork1_#t~post3=|v_t_funThread1of1ForFork1_#t~post3_17|, ~#data~0.base=|v_~#data~0.base_66|, t_funThread1of1ForFork1_#res.base=|v_t_funThread1of1ForFork1_#res.base_9|, t_funThread1of1ForFork1_#res.offset=|v_t_funThread1of1ForFork1_#res.offset_9|, ~#data~0.offset=|v_~#data~0.offset_66|} AuxVars[] AssignedVars[t_funThread1of1ForFork1_#t~mem2, t_funThread1of1ForFork1_#t~post3, t_funThread1of1ForFork1_#t~nondet4, t_funThread1of1ForFork1_#res.base, t_funThread1of1ForFork1_#res.offset][162], [Black: 130#(= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|)), 16#L691-12true, Black: 132#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), Black: 131#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), t_funThread1of1ForFork1InUse, 91#t_funEXITtrue, Black: 133#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 3))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), t_funThread1of1ForFork0InUse, 109#true, Black: 111#(= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0), 143#(and (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 4)) |ULTIMATE.start_main_#t~nondet11#1|) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 6)) |ULTIMATE.start_main_#t~nondet11#1|) (= (select (select |#race| |~#data~0.base|) (+ 5 |~#data~0.offset|)) |ULTIMATE.start_main_#t~nondet11#1|)), Black: 113#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2)) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), Black: 112#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), Black: 114#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2)) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 3)) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), 12#t_funEXITtrue, 128#true]) [2022-12-13 18:22:56,004 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 18:22:56,004 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 18:22:56,004 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 18:22:56,004 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 18:22:56,006 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([241] L684-13-->t_funEXIT: Formula: (let ((.cse0 (select |v_#race_55| |v_~#data~0.base_66|))) (and (= |v_t_funThread1of1ForFork1_#res.offset_9| 0) (= |v_t_funThread1of1ForFork1_#t~nondet4_28| (select .cse0 (+ |v_~#data~0.offset_66| 2))) (= |v_t_funThread1of1ForFork1_#t~nondet4_28| (select .cse0 (+ |v_~#data~0.offset_66| 1))) (= |v_t_funThread1of1ForFork1_#res.base_9| 0) (= (select .cse0 (+ |v_~#data~0.offset_66| 3)) |v_t_funThread1of1ForFork1_#t~nondet4_28|) (= (select .cse0 |v_~#data~0.offset_66|) |v_t_funThread1of1ForFork1_#t~nondet4_28|))) InVars {#race=|v_#race_55|, t_funThread1of1ForFork1_#t~nondet4=|v_t_funThread1of1ForFork1_#t~nondet4_28|, ~#data~0.base=|v_~#data~0.base_66|, ~#data~0.offset=|v_~#data~0.offset_66|} OutVars{t_funThread1of1ForFork1_#t~mem2=|v_t_funThread1of1ForFork1_#t~mem2_15|, #race=|v_#race_55|, t_funThread1of1ForFork1_#t~post3=|v_t_funThread1of1ForFork1_#t~post3_17|, ~#data~0.base=|v_~#data~0.base_66|, t_funThread1of1ForFork1_#res.base=|v_t_funThread1of1ForFork1_#res.base_9|, t_funThread1of1ForFork1_#res.offset=|v_t_funThread1of1ForFork1_#res.offset_9|, ~#data~0.offset=|v_~#data~0.offset_66|} AuxVars[] AssignedVars[t_funThread1of1ForFork1_#t~mem2, t_funThread1of1ForFork1_#t~post3, t_funThread1of1ForFork1_#t~nondet4, t_funThread1of1ForFork1_#res.base, t_funThread1of1ForFork1_#res.offset][164], [Black: 130#(= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|)), Black: 132#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), Black: 131#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), t_funThread1of1ForFork1InUse, 100#L691-13true, Black: 133#(and (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 3))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet4| (select (select |#race| |~#data~0.base|) |~#data~0.offset|))), 91#t_funEXITtrue, t_funThread1of1ForFork0InUse, 109#true, Black: 111#(= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0), Black: 113#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2)) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), Black: 112#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), Black: 114#(and (= (select (select |#race| |~#data~0.base|) |~#data~0.offset|) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 2)) 0) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 3)) 0) (= 0 (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 1)))), 12#t_funEXITtrue, 128#true, 144#(and (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 4)) |ULTIMATE.start_main_#t~nondet11#1|) (= (select (select |#race| |~#data~0.base|) (+ |~#data~0.offset| 6)) |ULTIMATE.start_main_#t~nondet11#1|) (= (select (select |#race| |~#data~0.base|) (+ 5 |~#data~0.offset|)) |ULTIMATE.start_main_#t~nondet11#1|) (= (select (select |#race| |~#data~0.base|) (+ 7 |~#data~0.offset|)) |ULTIMATE.start_main_#t~nondet11#1|))]) [2022-12-13 18:22:56,007 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 18:22:56,007 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 18:22:56,007 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 18:22:56,007 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 18:22:56,009 INFO L130 PetriNetUnfolder]: 3190/6477 cut-off events. [2022-12-13 18:22:56,010 INFO L131 PetriNetUnfolder]: For 10646/18268 co-relation queries the response was YES. [2022-12-13 18:22:56,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21270 conditions, 6477 events. 3190/6477 cut-off events. For 10646/18268 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 54144 event pairs, 1031 based on Foata normal form. 475/6559 useless extension candidates. Maximal degree in co-relation 21252. Up to 2435 conditions per place. [2022-12-13 18:22:56,039 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 201 selfloop transitions, 5 changer transitions 10/295 dead transitions. [2022-12-13 18:22:56,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 295 transitions, 2313 flow [2022-12-13 18:22:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:22:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:22:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2022-12-13 18:22:56,041 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.61 [2022-12-13 18:22:56,041 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 549 transitions. [2022-12-13 18:22:56,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 549 transitions. [2022-12-13 18:22:56,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:22:56,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 549 transitions. [2022-12-13 18:22:56,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:56,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:56,043 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:56,043 INFO L175 Difference]: Start difference. First operand has 69 places, 136 transitions, 843 flow. Second operand 6 states and 549 transitions. [2022-12-13 18:22:56,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 295 transitions, 2313 flow [2022-12-13 18:22:56,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 295 transitions, 2231 flow, removed 41 selfloop flow, removed 0 redundant places. [2022-12-13 18:22:56,063 INFO L231 Difference]: Finished difference. Result has 73 places, 133 transitions, 807 flow [2022-12-13 18:22:56,063 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=807, PETRI_PLACES=73, PETRI_TRANSITIONS=133} [2022-12-13 18:22:56,063 INFO L288 CegarLoopForPetriNet]: 53 programPoint places, 20 predicate places. [2022-12-13 18:22:56,064 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 133 transitions, 807 flow [2022-12-13 18:22:56,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.66666666666667) internal successors, (508), 6 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:56,064 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:56,064 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:56,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:22:56,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 463214673, now seen corresponding path program 1 times [2022-12-13 18:22:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:56,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153520326] [2022-12-13 18:22:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:56,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:56,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:56,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153520326] [2022-12-13 18:22:56,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153520326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:56,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:56,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:22:56,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90062930] [2022-12-13 18:22:56,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:56,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:22:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:56,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:22:56,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:22:56,390 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 150 [2022-12-13 18:22:56,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 133 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 75.66666666666667) internal successors, (454), 6 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:56,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:22:56,391 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 150 [2022-12-13 18:22:56,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:22:57,108 INFO L130 PetriNetUnfolder]: 4028/6909 cut-off events. [2022-12-13 18:22:57,109 INFO L131 PetriNetUnfolder]: For 8212/8297 co-relation queries the response was YES. [2022-12-13 18:22:57,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23117 conditions, 6909 events. 4028/6909 cut-off events. For 8212/8297 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 50351 event pairs, 1961 based on Foata normal form. 120/6928 useless extension candidates. Maximal degree in co-relation 23098. Up to 4784 conditions per place. [2022-12-13 18:22:57,134 INFO L137 encePairwiseOnDemand]: 134/150 looper letters, 147 selfloop transitions, 49 changer transitions 16/223 dead transitions. [2022-12-13 18:22:57,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 223 transitions, 1683 flow [2022-12-13 18:22:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:22:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:22:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 552 transitions. [2022-12-13 18:22:57,136 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6133333333333333 [2022-12-13 18:22:57,136 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 552 transitions. [2022-12-13 18:22:57,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 552 transitions. [2022-12-13 18:22:57,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:22:57,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 552 transitions. [2022-12-13 18:22:57,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.0) internal successors, (552), 6 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:57,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:57,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:57,138 INFO L175 Difference]: Start difference. First operand has 73 places, 133 transitions, 807 flow. Second operand 6 states and 552 transitions. [2022-12-13 18:22:57,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 223 transitions, 1683 flow [2022-12-13 18:22:57,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 223 transitions, 1665 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 18:22:57,162 INFO L231 Difference]: Finished difference. Result has 77 places, 162 transitions, 1182 flow [2022-12-13 18:22:57,162 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1182, PETRI_PLACES=77, PETRI_TRANSITIONS=162} [2022-12-13 18:22:57,163 INFO L288 CegarLoopForPetriNet]: 53 programPoint places, 24 predicate places. [2022-12-13 18:22:57,163 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 162 transitions, 1182 flow [2022-12-13 18:22:57,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.66666666666667) internal successors, (454), 6 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:22:57,163 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:22:57,163 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:57,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:22:57,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-13 18:22:57,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2053685895, now seen corresponding path program 1 times [2022-12-13 18:22:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:57,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418187028] [2022-12-13 18:22:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:22:57,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:22:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:22:57,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:22:57,200 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:22:57,201 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-12-13 18:22:57,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-12-13 18:22:57,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-12-13 18:22:57,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-12-13 18:22:57,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-13 18:22:57,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-12-13 18:22:57,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-12-13 18:22:57,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-12-13 18:22:57,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-12-13 18:22:57,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-12-13 18:22:57,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:22:57,204 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 18:22:57,209 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:22:57,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:22:57,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:22:57 BasicIcfg [2022-12-13 18:22:57,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:22:57,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:22:57,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:22:57,229 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:22:57,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:50" (3/4) ... [2022-12-13 18:22:57,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:22:57,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:22:57,232 INFO L158 Benchmark]: Toolchain (without parser) took 7314.87ms. Allocated memory was 138.4MB in the beginning and 446.7MB in the end (delta: 308.3MB). Free memory was 103.5MB in the beginning and 236.7MB in the end (delta: -133.2MB). Peak memory consumption was 176.9MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,232 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:57,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.42ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 84.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.12ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,233 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 138.4MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,233 INFO L158 Benchmark]: RCFGBuilder took 338.64ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 67.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,234 INFO L158 Benchmark]: TraceAbstraction took 6632.56ms. Allocated memory was 138.4MB in the beginning and 446.7MB in the end (delta: 308.3MB). Free memory was 66.7MB in the beginning and 237.8MB in the end (delta: -171.0MB). Peak memory consumption was 139.2MB. Max. memory is 16.1GB. [2022-12-13 18:22:57,234 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 446.7MB. Free memory is still 236.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:57,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.42ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 84.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.12ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 138.4MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.64ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 67.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6632.56ms. Allocated memory was 138.4MB in the beginning and 446.7MB in the end (delta: 308.3MB). Free memory was 66.7MB in the beginning and 237.8MB in the end (delta: -171.0MB). Peak memory consumption was 139.2MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 446.7MB. Free memory is still 236.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 104 PlacesBefore, 53 PlacesAfterwards, 97 TransitionsBefore, 46 TransitionsAfterwards, 3784 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 17342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2885, independent: 2418, independent conditional: 0, independent unconditional: 2418, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1514, independent: 1455, independent conditional: 0, independent unconditional: 1455, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2885, independent: 963, independent conditional: 0, independent unconditional: 963, dependent: 408, dependent conditional: 0, dependent unconditional: 408, unknown: 1514, unknown conditional: 0, unknown unconditional: 1514] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id, id2; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={6:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, id={5:0}, id={6:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=1] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 892 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 532 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1847 IncrementalHoareTripleChecker+Invalid, 2255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 408 mSolverCounterUnsat, 95 mSDtfsCounter, 1847 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1182occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:22:57,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9708f46-922b-4248-b609-39f69c690614/bin/uautomizer-uyxdKDjOR8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE